Publications

  • Olga A Lavrova, Christos G Christodoulou, Ganesh Balakrishnan, “Multi-source optimal reconfigurable energy harvester", Patent Number: 9,768,338

  • Youssef Tawk, Joseph Costantine, Marwan Fadous, Michel Chahoud, and Christos G. Christodoulou, “A Modified Quadrifilar Helix Antenna", STC Ref 2017-016

  • Youssef Tawk, Joseph Costantine, Christos G. Christodoulou and Maria Zamudio, “Systems and Methods for Reconfigurable Filtenna", Patent Number: US 9,653,793 B2

  • Joseph Costantine, Youssef Tawk, Christos G. Christodoulou, Christoph Karl, Nicolas Lee, Ignacio Maqueda Jimenez, Sergio Pellegrino and Maria Sakovsky, "Dual Matrix Composite Embedded Conductors", STC Ref: 2015-099

  • Sameer D. Hemmady, Ganesh Balakrishnan, Christos G. Christodoulou, and Youssef Tawk, “Optically Pumped Reconfigurable Antenna Systems (OPRAs)”

  • Tawk, Christodoulou and Costantine, "Reconfigurable Filtenna" (STC ref. No. 2012-068-01).

  • Olga Lavrova, Christos Christodoulou, Ganesh Balakrishnan , and Sang Han, “Multi-Source Optimal Reconfigurable Energy Harvester” (STC Ref. 2012-052).

  • Anagnostou, and C. Christodoulou , “Reconfigurable Multifrequency Antennas with RF MEMS Switch”, US Patent: #7,589,674

  • G.D. Boreman, I. Codreanu, C. Fumeaux, M. Gritz, C. Christodoulou, " Wavelength-tunable coupled antenna uncooled infrared (IR) sensor", US Patent 6,310,346

  • G.D. Boreman, A. Dogariu, C. Christodoulou, C. Fumeaux, " Polarization-tunable antenna-coupled infrared detector", US Patent #6,037,590

  • “Machine Learning Applications in Electromagnectics”, Martinez-Ramon, Arjun Gupta, J.L. Rojo-Alvarez, and C. G. Christodoulou, , Artech House, April 2021.

  • “Introduction to Radio Engineering”, Blaunstein, Christodoulou, Sergeev, CRC Press, to appear end of September 2016.

  • “Antenna Design for Cognitive Radio”, Tawk, Costantine and Christodoulou, Artech House, June 2016.

  • “Radio Propagation and Adaptive Antennas for Wireless Communication Networks”, Blaunstein and Christodoulou, John Wiley, May 2014.

  • “Design of Reconfigurable Antennas Using Graph Models” Costantine, Tawk, and Christos Christodoulou, Morgan & Claypool , 2013.

  • “Radio Wave Propagation and Adaptive Antennas for Wireless Communication Links: Terrestial, Atmospheric and Ionospheric”, Blaunstein and Christodoulou, John Wiley, October 2006.

  • “Support Vector Machines for Adaptive Antenna Array Processing and Electromagnetics”, Martinez-Ramon and Christodoulou, Morgan & Claypool, October 2006.

  • “Antennas: Fundamentals and Concepts”, Christodoulou and Wahid, SPIE, August 2001.

  • “Neural network applications in electromagnetics”, Christodoulou and Georgiopoulos, Artech House, Jan. 2001.

  • “Antenna Radiation Patterns” in John Wiley Encyclopedia of Electrical and Electronics Engineering, by M. T. Chryssomallis and C. G. Christodoulou , 2015.

  • “Antennas” in John Wiley Encyclopedia of Electrical and Electronics Engineering, by C. G. Christodoulou, P. F. Wahid, and M. T. Chryssomallis, 2015.

  • J. Costantine, Y. Tawk and C. G. Christodoulou, “Reconfigurable Antennas and their Applications”, in the Handbook of Antenna Technologies, edited by Zhi Ning Chen, Springer, 2015.

  • M. Al-Husseini, K. Kabalan, Ali El-Hajj and C. G. Christodoulou, “ Reconfigurable Microstrip Antennas for Cognitive Radio”, in Advancement in Microstrip Antennas with Recent Applications, pp. 337-368, InTech 2013.

  • M. Al-Husseini, K. Kabalan, Ali El-Hajj and C. G. Christodoulou , “Cognitive Radio: UWB Integration and Related Antenna Design”, in New Trends in Technologies: Control, Management, Computational Intelligence and Network Systems, Book edited by: Meng Joo Er, ISBN: 978-953-307-213-5, Publisher: In Tech, Publishing date: November 2010.

  • “Kernel Methods for Smart Antennas”, M. Martínez-Ramón, A. Navia-Vázquez, R. Jordán and C. G. Christodoulou, in Intelligent Systems: Techniques and Applications, Shaker Publishing, Netherlands, 2008.

  • “Neural Networks for Antennas”, in Modern Antenna Handbook, by C. G. Christodoulou and A, Patnaik, Wiley Interscience, 2008.

  • “Smart Antennas: Arrays, Adaptive Arrays and Algorithms”, in Modern Antenna Handbook, by C. G. Christodoulou and J. Tsoulos, Wiley Interscience, 2008.

  • “Comparison of Kernel Method for Smart Antenna Array Processing”, in Kernel methods in bioengineering, communications and image processing, C. Christodoulou, M. Martínez-Ramón, edited by G. Camps-Valls, J. L. Rojo- Álvarez, M. Martínez-Ramon. Idea Group, 2006.

  • “Antennas” in John Wiley Encyclopedia of of RF and Microwave Engineering , by C. G. Christodoulou and P. F. Wahid, 2004.

  • “Antenna Radiation Patterns” in John Wiley Encyclopedia of of RF and Microwave Engineering, by M. Chryssomallis and C. G. Christodoulou , 2004.

  • “Antennas for Mobile Communications”, in Wiley Encyclopedia of Telecommunications, editor John Proakis, John Wiley & Sons, Inc., by M. Chryssomallis and C. G. Christodoulou, April 2003.

  • “Finite Difference Time Domain Methods: Numerical Methods of Antenna Design” in Handbook on Antennas in Wireless Communications, by Atef Elsherbeni , C. G. Christodoulou, and Javier Gomez Tagle. CRC Press, chapter 7, 2001.

  • “Antenna Radiation Patterns” in John Wiley Encyclopedia of Electrical and Electronics Engineering, by M. Chryssomallis and C. G. Christodoulou , 2001.

  • “Applications of Neural Networks in Smart Antennas for Mobile Communications”, by C. G. Christodoulou, M. Georgiopoulos and A.H. El Zooghby, in Applied Computational Intelligence, Mary Lou Lou Padgett Nicolaos B. Karayiannis (edts). CRC Press, LLC, Jan. 2000.

  • “Antennas” in John Wiley Encyclopedia of Electrical and Electronics Engineering, by C. G. Christodoulou and P. F. Wahid, vol. 1, pp. 563-572, 1999.

  • “Adaptive Interference Cancellation with Neural Networks” in Wireless Personal Communications: Emerging Technologies for Enhanced Communications, The Kluwer International Series in Engineering and Computer Science., by El Zooghby A. H., C. G. Christodoulou, and M. Georgiopoulos, 1998.

  • F. N. Ayoub, Y. Tawk, E. Ardelean, J. Costantine, S. Lane, and C. G. Christodoulou, “Cross-Slotted Waveguide Array with Dual Circularly Polarized Radiation at W-Band”, IEEE Transactions on Antennas and Propagation, 2022

  • Oameed Noakoasteen, Jayakrishnan Vijayamohanan, Arjun Gupta, and Christos Christodoulou, “Antenna Design using a Gan-based Synthetic Data Generation Approach”, IEEE Open Journal of Antennas and Propagation, vol. 3, pp. 488-494, 2022.

  • A. Gupta, J. Argyres, R. L. Gesner, D. R. Heleiman, D. M. Feaster, C. G. Christodoulou, and F. Ayoub, “ DIY Antenna Studio: A Cost-Effective Tool for Antenna Analysis”, IEEE Antennas and Propagation Magazine, vol 63, No. 2, pp. 83-88, 2021.

  • D. M. Hensley, C. G. Christodoulou, and N. Jackson, “ A stretchable Liquid Metal Coaxial Phase Shifter”, IEEE Open Journal on Antennas and Propagation, vol. 2 , pp. 370-374, 2021.

  • F. N. Ayoub, Y. Tawk, E. Ardelean, J. Costantine, S. Lane, and C. G. Christodoulou, “Cross-Slotted Waveguide Array with Dual Circularly Polarized Radiation at W-Band”, IEEE Transactions on Antennas and Propagation, 2021

  • M. Patriotis, F. N. Ayoub, Y. Tawk, J. Costantine , and C. G. Christodoulou,, "A Four-Element Antenna Array System with 15 Reconfigurable Radiation Patterns, “IEEE Open Journal of Antennas and Propagation”, 2021.

  • M. Patriotis, F. Ayoub, Y. Tawk, J. Costantine, and C. G. Christodoulou, “A Compact Active Ka-Band Filtenna for CubeSats”, IEEE Antennas and Wireless Propagation Letters, 2021.

  • M. Patriotis, F. N. Ayoub, Y. Tawk, J. Costantine, and C. G. Christodoulou, “A Millimeter-Wave Frequency Reconfigurable Circularly Polarized Antenna Array”, IEEE Open Journal of Antennas and Propagation, vol. 2, pp. 759-766, 2021.

  • O. Noakosteen, Shu Wang, Zhen Peng, and C. Christodoulou, “ Physics-Informed Deep Neural Networks for Transient Electromagnetic Analysis”, IEEE Open Journal on Antennas and Propagation, vol. 1, pp. 404-4012, 2020.

  • E. Hong, S. Lane, D. Murrell, N. Tarasenko, and C. G. Christodoulou, “Estimating Rain Attenuation at 72 and 84 GHz from Raindrop Size Distribution Measurements in Albuquerque, New Mexico”, IEEE Geoscience and Remote Sensing Letters, vol. 16, no. 8, pp. 1175 – 1179, 2019.

  • A. Gupta, C. G. Christodoulou, J. L. Rojo-Álvarez, and M. Martínez-Ramón, “Gaussian Processes for Direction-of-Arrival Estimation with Random Arrays”, IEEE Antenna and Wireless Propagation Letters, Vol. 18, No. 11, pp. 2297-2230, 2019.

  • H. Seidfaraji, C. G. Christodoulou, H. Elfrgani, E. Schamiloglu, “ A multibeam metamaterial backward wave oscillator”, Physics of Plasmas, July 2019.

  • Y. Tawk, M. El-Amine, S. Saab, J. Costantine, F. Ayoub, and C. G. Christodoulou, “A Software Defined Frequency Reconfigurable Meandered Printed Monopole”, IEEE Antennas and Wireless Propagation Letters, vol. 17, no. 2, pp. 327-330, 2018.

  • Y. Tawk, J. Costantine, F. N. Ayoub, and C. G. Christodoulou, “A Communicating Antenna Array with a Dual Energy Harvesting Functionality”, IEEE Antennas and Propagation Magazine, vol. 60, No. 2, pp. 132-144, 2018. .

  • F. Asadallah, J. Costantine, Y. Tawk, R. Kani, Z. Ghorayeb, T. Al-Bahar, Y. Itani, and C. G. Christodoulou, “An Antenna System with a Voice-Controlled Personalized Switchable Radiation Coverage”, IEEE Antenna and Wireless Propagation Letters, Vol. 17, No. 4, pp. 693-696, 2018.

  • Y. Tawk, J. Costantine and C. G. Christodoulou, "An Eight-Elements Reconfigurable Diversity Dipole System", IEEE Transactions on Antennas and Propagation, Early Access, 2017.

  • Y Shi, E Zesta, HK Connor, Y‐J Su, EK Sutton, CY Huang, DM Ober, C Christodoulou, S Delay, DM Oliveira, "High‐Latitude Thermosphere Neutral Density Response to Solar Wind Dynamic Pressure Enhancement", Journal of Geophysical Research: Space Physics, Vol. 122, no.11, 2017.

  • Mohamed AK Othman, Xuyuan Pan, Georgios Atmatzakis, Christos G Christodoulou, Filippo Capolino, "Experimental Demonstration of Degenerate Band Edge in Metallic Periodically Loaded Circular Waveguide", IEEE Transactions on Microwave Theory and Techniques, Vol. 65, no.11, pp. 4037-4045, 2017.

  • Y. Tawk, M. Chahoud, M. Fadous, J. Costantine and C. G. Christodoulou, "The Miniaturization of a partially 3D printed Quadrifilar Helix Antenna", IEEE Transactions on Antennas and Propagation, Early Access, 2017.

  • M.E. Zamudio, M. Behzadirad, C.G. Christodoulou, T. Busani, "Optimization of AZO films for integrating optically transparent antennas with photovoltaics", IEEE Transactions on Antennas and Propagation, Vol. 65, no.5, pp. 2655-2660, 2017.

  • Y. Tawk, J. Costantine, C. G. Christodoulou, "Reconfiguring the Frequency and Directive Behavior of a Printed V-Shaped Structure", IEEE Transactions on Antennas and Propagation, Vol. 65, no.5, pp. 2655-2660, 2017.

  • E.S. Hong, S. Lane, D. Murrell, N. Tarasenko, C.G. Christodoulou, “Mitigation of Reflector Dish Wet Antenna Effect at 72 and 84 GHz”, IEEE Antennas and Wireless Propagation Letters, Vol. 16, pp. 3100-3103, 2017

  • Y. Tawk, J. Costantine, F. Makhlouf, M. Nassif, L. Geagea, and C. G. Christodoulou, “A Wirelessly Automated Reconfigurable Antenna with Directional Selectivity”, IEEE Access, Vol. 5, pp. 802-811, January 2017

  • H. Seidfaraji, A. Elfrgani, M. I. Fuks, C. G. Christodoulou, and E. Schamiloglu, “Efficient Power Combiner for THz Radiation”, IEEE Transactions on Terahertz Science and Technology, 2016

  • J. Costantine, Y. Tawk, I. Maqueda, M. Sakovsky, S. Pellegrino, C. G. Christodoulou, “UHF Deployable Helical Antennas for CubeSats”, IEEE Transactions on Antennas and Propagation, pp. 3752-3759, Sept. 2016.

  • D. T. Doyle, C. Woehrle, D. Wellems, and C. G. Christodoulou, “Environmental Concerns with Liquid Crystal Based Printed Reflectarrays in Space”, IEEE Antennas and Wireless Propagation Letters, 2016.

  • C.D. Woehrle, D. T. Doyle, S. A. Lane, and C. G. Christodoulou, “Space Radiation Environment Testing of Liquid Crystal Phase Shifter Devices”, IEEEE Antennas and Wireless Propagation Letters, 2015.

  • J. Lawrance, C. G. Christodoulou, M. Taha, “A High Power Microwave Zoom Antenna with Metal Plate Lenses”, IEEE Transactions on Antennas and Propagation,vol. 63, pp. 3380-3389, August 2015.

  • J. Lyke, C. G. Christodoulou, A. Vera, and A. H. Edwards, “Reconfigurable Systems: Advanced Applications and Technologies [Scanning the Issue]”, Proceedings of the IEEE, vol. 103, pp. 1000-1003, July 2015.

  • J. Lyke, C. G. Christodoulou, A. Vera, and Art Edwards, “An Introduction to Reconfigurable Systems”, Proceedings of the IEEE, vol. 103, pp. 291-317, March 2015

  • J. Lyke, C. G. Christodoulou, A. Vera, and A. H. Edwards, “Special Issue on Reconfigurable Systems: Foundations”, Proceedings of the IEEE, vol. 103, pp. 287-290, March 2015.

  • J. Costantine, Y. Tawk, S. E. Barbin, and C.G. Christodoulou, “Reconfigurable Antennas: Design and Applications”, Proceedings of the IEEE, vol. 103, issue 3, pp. 424- 437, March 2015

  • A. Ernest, Y. Tawk, J. Costantine, and G. G. Christodoulou, “A Bottom-Fed Deployable Conical Log Spiral Antenna Design for Cubesats”, IEEE Transactions on Antennas and Propagation, pp. 41-47, Jan. 2015.

  • V. Santalla del Rio, L. Abalde-Lima, and C. G. Christodoulou, “Electromagnetic Scattering from Vegetation Cylindrical Components”, IEEE Geoscience and Remote Sensing letters, pp. 751-755, April, 2015.

  • N. Blaunstein, C. G. Christodoulou, and M.B. Sergeev, " Capacity and Weight Coefficients in MIMO Wireless Communication Channels Based on Adaptive Multi-beam Antennas in Urban Environment with Fading", in Информационно-управляющие системы, No. 6, pp. 107-117, 2014.

  • J. Bernhard, E. Bonek, C. G. Christodoulou, D. Kunkee, and K. L. Melde,” Guest Editorial for the Special Section on Antenna Systems and Propagation for Cognitive Radio”, IEEE Transaction on Antennas and Propagation, Vol. 62 , no. 3 , pp. 1015 – 1018, March. 2014.

  • J. Costantine, Y. Tawk, J. Woodland, J. , N. Flaum, and C. G. Christodoulou, “Reconfigurable antenna system with a movable ground plane for cognitive radio”, Microwaves, Antennas & Propagation, IET , vol. 8, no 11, pp. 858 – 863, 2014.

  • K. M. Ajith, A. Patnaik and C. G. Christodoulou, “Design and Testing of a Multifrequency Antenna with a Reconfigurable Feed”, IEEE Antennas and Wireless Propagation Letters, pp. 730-733, vol. 13, 2014

  • Ali H. Ramadan, J. Costantine, Y. Tawk, C. G. Christodoulou, M. Al‒Husseini, and K. Y. Kabalan, “Frequency‒Tunable/Pattern Diversity Antennas for Cognitive Radio Applications”, International Journal of Antennas and Propagation, 2014.

  • Y. Tawk, J. Costantine, and C. G. Christodoulou, “Reconfigurable Filtennas and MIMO in Cognitive Radio Applications”, IEEE Transactions on Antennas and Propagation, pp., 1074 – 1083, March 2014.

  • Y. Tawk, J. Costantine, and C. G. Christodoulou, “Cognitive Radio and Antenna Functionalities: A Tutorial”, IEEE Antennas and Propagation Magazine, pp. 231-243, Feb. 2014.

  • Ali H. Ramadan, J. Costantine, M. Al-Husseini, K. Y. Kabalan, Y. Tawk, and C. G. Christodoulou, “Tunable Filter-Antennas for Cognitive Radio Applications”, Progress In Electromagnetics Research B, Vol. 57, 253-265, 2014.

  • J. Costantine, Y. Tawk, and C. G. Christodoulou, “Motion-Activated Reconfigurable and Cognitive Radio Antenna Systems”, IEEE Antennas and Wireless Propagation Letters, pp. 1114 – 1117, 2013.

  • A. Navia-Vazquez, M. Martınez-Ramon, L.E. Garcıa-Munoz, and C. G. Christodoulou, Adaptive Approximate Kernel Orthogonalization for Antenna Array Processing”, IEEE Transactions on Antennas and Propagation, August 2013.

  • J. Costantine, Y. Tawk, and C. G. Christodoulou, “Complexity versus Reliability in Arrays of Reconfigurable Antennas”, IEEE Transactions on Antennas and Propagation, pp. 5436-5441, Nov. 2012.

  • M. Bkassiny, Y. Li, G. El-Howayek, S. K. Jayaweera, and C. G. Christodoulou, “Unsupervised Machine Learning- based Protocols for Autonomous Cognitive Radios”,Special Issue on "Recent Advances in Cognitive Radio Communications," in the journal Recent Patents on Computer Science (CSENG), pp. 83-92.

  • S. Soh, R. B. Miller, E. Schamiloglu, C. G. Christodoulou, “Dual Mode Reltron”, special issue on HPMs in the IEEE Trans. Plasma Science, vol. 40, no. 8, pp. 2083-2085, 2012.

  • J. Costantine, Y. Tawk, and C.G. Christodoulou, “CubeSat Deployable Antenna Using Bi-Stable Composite Tape Springs", IEEE Antennas and Wireless Propagation Letters, pp. 285-288, 2012.

  • Y. Tawk and C. G. Christodoulou, “A Varactor Based Reconfigurable Filtenna”, IEEE Antennas and Wireless Propagation Letters, pp. 716-719, 2012.

  • A. El Gonnouni, M. Martınez-Ramon, J. L. Rojo-Alvarez, G. Camps-Valls, A. R. Figueiras-Vidal, and C. G. Christodoulou, “A Support Vector Machine MUSIC Algorithm, IEEE Transactions on Antennas and Propagation, vol. 60, no. 10, pp. 4901-4910, 2012.

  • C. G. Christodoulou, Y. Tawk, S. Lane, and S. Erwin, “Reconfigurable Antennas for Wireless and Space Applications”, Proceedings of the IEEE, vol. 100, no. 7, pp. 2250-2261, 2012.

  • M. Al-Husseini, L. Safatly, A. Ramadan, A. El-Hajj, K. Y. Kabalan, and C. G. Christodoulou, "Reconfigurable filter antennas for pulse adaptation in UWB cognitive radio systems," Progress In Electromagnetics Research B, Vol. 37, pp. 327-342, 2012.

  • J. Costantine, C. G. Christodoulou, J. C. Lyke, F. De Flaviis, A. Grau, and S E. Barbin, “Analyzing the Complexity and Reliability of Switch-Frequency-Reconfigurable Antennas Using Graph Models”, IEEE Transactions on Antennas and Propagation, vol. 60, pp. 811 – 820, Feb. 2012.

  • Y. Tawk, S. Hemmady, G. Balakrishnan, K. Avery, and C. G. Christodoulou, “Demonstration of a Cognitive Radio Front-End Using Optically Pumped Reconfigurable Antenna System (OPRAS)”, IEEE Transactions on Antennas and Propagation ,vol. 60, pp. 1075 – 1083, Feb. 2012.

  • P. Kumar, C. E. Baum, S. Altunc, J. C. Buchenauer, S. Xiao, C. G. Christodoulou, E. Schamiloglu and K. H. Schoenbach,“A Hyperband Antenna for Focusing Fast High- Voltage Pulses on Biological Targets,” IEEE Trans. On Microwave Theory and Techniques and Antennas and Propagation Joint Special Issue on Ultra-Wideband (UWB) Technology, vol. 59, no. 4, pp. 1090-1101, June 2011.

  • C.-Y. Lin, F. Grillot, N. A. Naderi, Y. Li, J. H. Kim, C. G. Christodoulou, and L. F. Lester, “RF Linewidth of a Monolithic Quantum Dot Mode-Locked Laser Under Resonant Feedback”, IET Optoelectronics, vol. 5, no. 3, pp.105–109 , June 2011.

  • Y. Tawk, M. Bkassiny, G. El-Howayek, S. K. Jayaweera, Keith Avery, and C. G. Christodoulou, “Reconfigurable Front-End Antennas for Cognitive Radio Applications” Special Issue on“RF/Microwave Communication Subsystems for Emerging Wireless Technologies” in IET Microwaves, Antennas &Propagation, Q2 2011.

  • N.R. Devarapalli, C. E. Baum, C.G. Christodoulou, and E. Schamiloglu, “A Fan-Beam Radiator Using a Waveguide’s Narrow Wall for Horizontal Polarization and High Power”, IEEE Transcations on Electromagnetic Compatibility, vol.53, May 2011, pp.380-389.

  • Y. Tawk, J. Costantine, K. Avery, and C. G. Christodoulou, “ Implementation of a Cognitive Radio Front-End Using Rotatable Controlled Reconfigurable Antennas”, IEEE Transactions on Antennas and Propagation, vol. 59, no. 5, pp. 1773-1778, May 2011.

  • J. Costantine, Sinan al-Saffar, C. G. Christodoulou, and C. T. Abdallah, “Reducing Redundancies in Reconfigurable Antenna Structures Using Graph Models”, IEEE Transactions on Antennas and Propagation, pp. 793-801, March 2011.

  • J. H. Kim, C. G. Christodoulou, C.-Y. Lin, and L. F. Lester, “Pattern Estimation of a Microstrip Antenna Integrated With a Quantum Dot Mode-Locked Laser”, IEEE Antennas and Wireless Propagation Letters, pp. pp. 954 – 957, 2010.

  • Angel Navia-Vazquez, IEEE, Manel Martınez-Ramon, Luis E. Garcıa-Munoz, and Christos G. Christodoulou, “Approximate Kernel Orthogonalization for Antenna Array Processing”, IEEE Transactions on Antennas and Propagation, pp. 3942 – 3950, 2010.

  • Yan Li, Furqan L. Chiragh, Yong-Chun Xin, Chang-Yi Lin, Christos G. Christodoulou, and Luke. F. Lester, “Harmonic mode-locking using the double interval technique in quantum dot lasers”, Optics Express, Optics Express, vol. 18, issue 14, pp. 14637-14643, 2010.

  • Y. Tawk, A. R. Albrecht, S. Hemmady, G. Balakrishnan, and C. G. Christodoulou, “Optically Pumped Frequency Reconfigurable Antenna Design”, IEEE Antennas and Wireless Propagation Letters, pp. 280-283, 2010.

  • P. Kumar, S. Altunc, C. E. Baum, J. Buchenauer, C. G. Christodoulou, and E. Schamiloglu, “Radially Inhomogeneous Spherical Dielectric Lens for Matching 100 ps Pulses into Biological Targets”, IEEE Transactions on Plasma Science, vol. 38, no. 8, pp. 1915-1927, Aug. 2010.

  • S. Shelley, J. Costantine, C. G. Christodoulou, D. E. Anagnostou, and J. C. Lyke. “FPGA Controlled Switch-Reconfigured Antenna”, IEEE Antennas and Wireless Propagation Letters, pp. 355 – 358, 2010.

  • N. R. Devarapalli, C. E. Baum, C. G. Christodoulou, E. Schamiloglu, “An Iterative Search Algorithm for Designing Bends in Electromagnetic Structures”, International Journal of RF and Microwave Computer-Aided Engineering, 2010.

  • J. B. Lai and C. G. Christodoulou, “A Very High Sensitivity RF Pulse Profile Measurement System”, IEEE Transactions on Instrumentation and Measurement, vol. 59, no. 6, pp. 1616 – 1623, 2010.

  • M. B. Higgins, M. E. Morris, M. Caldwell, C. G. Christodoulou, “Measurement and Modeling of Transfer Functions for Lightning Coupling into the Sago Mine”, IEEE Transactions on Electromagnetic Compatibility, vol. 52, no 1., pp. 136-146., 2010.

  • Y. Tawk and C. G. Christodoulou, “A New Reconfigurable Antenna Design for Cognitive Radio”, IEEE Antennas and Wireless Propagation Letters, vol. 8., pp. 1378-1381, 2009.

  • C.-Y. Lin, Y.-C. Xin, J. H. Kim, C. G. Christodoulou, L. F. Lester, “Compact optical generation of microwave signals using a monolithic quantum dot passively mode-locked laser”, IEEE Photonics Journal, vol. 1, no. 4, pp. 236-244, Oct. 2009.

  • J. H. Kim, C. G. Christodoulou, Z. Ku, C.-Y. Lin, Y.-C. Xin, N. A. Naderi, and L. F. Lester, “Hybrid Integration of a Bowtie Slot Antenna and a Quantum Dot Mode-Locked”, IEEE Antennas and Wireless Propagation Letters, pp. 1337-1340, 2009.

  • J. Costantine, C. G. Christodoulou, C. T. Abdallah, and S. E. Barbin,“Optimization and Complexity Reduction of Switch-Reconfigured Antennas using Graph Models”, IEEE Antennas and Wireless Propagation Letters, vol. 8, pp. 1072 – 1075, 2009.

  • S. Altunc, C. E. Baum, C. J. Buchenauer, C. G. Christodoulou and E. Schamiloglu, “Design of a Special Dielectric Lens for Concentrating a Subnanosecond Electromagnetic Pulse on a Biological Target “, Special issue of Transactions on Dielectrics and Electrical Insulation, vol. 16, Issue 5, pp. 1364-1375, Oct. 2009.

  • J. Costantine, Sinan al-Saffar, C. G. Christodoulou, K.Y. Kabalan, Ali El-Hajj, “The Analysis of a Reconfigurable Antenna with a Rotating Feed “, IEEE Antennas and Wireless Propagation Letters, vol. 8, pp. 943-946, 2009.

  • D. E. Anagnostou, J. Papapolymerou, M. Tentzeris, and C. G. Christodoulou, “Log-Periodic Koch Dipole Arrays (LPKDA) for Compact Wireless Communication Systems”, IEEE Antennas and Wireless Propagation Letters, vol. 7, pp. 456 – 460, 2008.

  • Y. Tawk, K. Y. Kabalan, A. El-Hajj, C. G. Christodoulou, and J. Costantine, “A Simple Multi-band Printed Bowtie Antenna”, IEEE Antennas and Wireless Propagation Letters, vol. 7, pp. 556 – 559, 2008.

  • Altunc, S., C. E. Baum, C. G. Christodoulou, E. Schamiloglu, and C. J. Buchenauer (2008), Focal waveforms for various source waveforms driving a prolate-spheroidal impulse radiating antenna (IRA), Radio Sci., 43, RS4S13, doi:10.1029/2007RS003775.

  • C. E. Baum, S. Altunc, C.G. Christodouou and E. Schamiloglu, “Electromagnetic Implosion Using an Array,” IEEE Trans. Plasma Science, vol. 36, no. 3, pp. 757-762, June 2008.

  • Mehmet F. Su, Mahmoud M. Reda Taha, C. G. Christodoulou, and Ihab El-Kady, “Fuzzy Learning of Talbot Effect Guides Optimal Mask Design for Proximity-Field Nano-Patterning Lithography”, IEEE Photonics Technology Letters, vol. 20, no. 10, pp. 761-763, May 2008.

  • M. F. Su, I. El-Kady, M. M. Reda Taha and C. G. Christodoulou, “A Novel Integrated Method Realizing Iteratively Optimized Modeling for Proximity Field Patterning Nanolithography”, Photonics and Nanostructures - Fundamentals and Applications, pp. 69-80, April 2008.

  • Joler M., C. G. Christodoulou, and E. Schamiloglu, “Limitations to Compacting a Parallel-plate Blumlein Pulse forming Line”, International Journal of RF and Microwave Computer-Aided Engineering, vol. 18, Issue 2, pp. 176-186, March 2008.

  • D. E. Anagnostou, M. Morton, J. Papapolymerou, and C. G. Christodoulou, “A 0-55 GHz Low Loss Coplanar Waveguide to Coplanar Stripline Transition”, IEEE Trans on Microwave Theory Techniques, January 2008, pp. 1-6.

  • L. M. Feldner, C. T. Rodenbeck, C. G. Christodoulou, and N. Kinzie, “Electrically Small Frequency-Agile PIFA-as-a-Package for Portable Wireless Devices”, IEEE Transactions and Antennas and Propagation, Vol. 11, Issue 55, pp. 3310-3319, Nov. 2007

  • Gregory L. Heileman, Chaouki T. Abdallah, Wennie Shu, Christos Christodoulou, and Debby Knotts, “Creating On-line Graduate Engineering Degrees at the University of New Mexico”, Journal of Universal Computer Science, Vol. 13,No. 7, pp. 1002-1011, Oct. 2007.

  • P. Kirawanich, J. R. Wilson, S. Joe Yakura, C. G. Christodoulou, and Naz E. Islam, “A Modular Junction Topological Approach to Aperture - System Interaction Problem”, IEEE Antennas and Wireless Propagation Letters, Vol. 6, pp. 296 -299, 2007

  • Seokwoo Jeon, Daniel J. Shir, Matthew Highland, David G. Cahill, Mehmet F. Su, Ihab F. El-Kady, Christos G. Christodoulou, Gregory R. Bogart, Alex Hamza and John A. Rogers, “Three Dimensional Nanofabrication With Elastomeric Phase Masks”, J. Phys.Chem. B.( Feature article), pp 12945 – 12958, Oct. 2007.

  • Seokwoo Jeon, Daniel J. Shir, Yun Suk Nam, Robert Nidetz, Matthew Highland, David G. Cahill, John A. Rogers, Mehmet F. Su, Ihab F. El-Kady, Christos G. Christodoulou, and Gregory R. Bogart, Molded transparent photopolymers and phase shift optics for fabricating three dimensional nanostructures”, Optics Express, Vol. 15, Issue 10, pp. 6358-6366, May 2007.

  • Patnaik A., B. Choudhury, P. Pradhan, R. K. Mishra, and C. G. Christodoulou, “An ANN Application for Fault Finding in Antenna Arrays”, special issue of IEEE Transactions and Antennas and Propagation on New Optimization Techniques, vol. 55, pp. 775-777, March 2007.

  • Martınez-Ramon M., J.L. Rojo-Alvarez, G. Camps-Valls, and C. G. Christodoulou,“Kernel Antenna Array Processing”, special issue of IEEE Transactions and Antennas and Propagation on New Optimization Techniques, vol. 55, pp. 642-650, March 2007.

  • Zachou V., C. G. Christodoulou, M. T. Chryssomallis, D. Anagnostou, and S. Barbin, “Planar Monopole Antenna with attached sleeves”, IEEE Antennas and Wireless Propagation Letters, vol. 5, pp. 286 – 289, Dec. 2006.

  • Kirawanich P., S.J. Yakura, Christos Christodoulou, and N.E. Islam, “An electromagnetic topology method for cable interactions using radiating dipole at aperture”, IEEE Antennas and Wireless Propagation Letters, vol. 5, pp. 220 -223, Dec. 2006.

  • Blaunstein N., E. Tsalolihin, C. G. Christodoulou, E. Bonek, M. Toeltsch, P. Vainikainen, K. Kalliola, H. Laitinen, and J. Laurila, “Azimuth, Elevation and Time Delay Distribution in Wireless Communication Channels”, IEEE Antennas and Propagation Magazine, pp. 160-167, Feb. 2006.

  • Anagnostou, D.E., G. Zheng, M. T. Chryssomallis, J. C. Lyke, John Papapolymerou, and C. G. Christodoulou, “Design, Fabrication and Measurements of a Self-Similar Re-configurable Antenna with RF-MEMS Switches”, IEEE Transactions on Antennas and Propagation, Special Issue on Multifunction Antennas and Antenna Systems, pp. 422-43, Feb. 2006.

  • Song B., P. K. L. Yu, R. L. Cruz, B. D. Rao, and C. G. Christodoulou, “Cross-layer Design for High QoS Indoor Wireless Networks Using Multiple Antenna Systems”, ST Journal of Research on Networked Multimedia, vol. 2, no. 1, pp. 93-106, Nov. 2005.

  • Martinez Ramon M., N. Xu, and C. G. Christodoulou, “Beamforming using Support Vector Machines”, IEEE Antennas and Wireless Propagation Letters, vol. 4., pp. 439-442, 2005.

  • Patnaik A., D. Anagnostou, C. G. Christodoulou, and J. Lyke, “Neurocomputational Analysis of a Multiband Reconfigurable Planar Antenna”, IEEE Transactions on Antennas and Propagation, pp. 3453 – 3458, Nov. 2005.

  • Khodier M. M. and C. G. Christodoulou, “Linear Array Geometry Synthesis with Minimum Sidelobe Level and Null Control using Particle Swarm Optimization”, IEEE Transactions on Antennas and Propagation, vol. 53, no. 8, pp. 2674-2679, Aug. 2005.

  • Joler M., C. Christodoulou, E. Schamiloglu, and J. Gaudet, “Effects of Dielectric Width Extension in a Parallel-Plate Blumlein Line”, Microwave and Optical Technology Letters, Aug. no. 5, 220-225, 2005.

  • Kirawanich, P., G. Tzeremes, C.G. Christodoulou, S. Joe Yakura, and N.E.Islam, “Electromagnetic Wave Penetrating Through Apertures; Comparison of Electromagnetic Topology Technique with FDTD Method”, IEEE Antennas and Wireless Propagation Letters, vol. 4, pp. 151 – 154, 2005.

  • Patnaik A., D. Anagnostou, C.G. Christodoulou, and James C. Lyke, “Modeling frequency reconfigurable antenna array using neural networks”, Microwave and Optical Technology Letters, February 2005.

  • Tzeremes G., P.Kirawanich, C. G. Christodoulou, and N. E. Islam,“Transmission lines as radiating elements in aperture interactions for electromagnetic topology simulations”, IEEE Antennas and Wireless Propagation Letters, vol. 3, no. 15, pp. 283-286, 2004.

  • Tzeremes G., H. Tanner, T.S. Liao, and C.G. Christodoulou, “Wireless Communication with “Smart” Photonic Antennas using Transmission Power Control”, IEEE Antennas and Wireless Propagation Letters, 2004, vol. 3, no. 13, pp. 232-235, 2004

  • Chryssomallis, M.T and C.G. Christodoulou, “A Circuit-based Optimization Approach for Improving the Pattern of Uniform Array Antennas via Phase Control”, IEEE Transactions on Antennas and Propagation, vol. 52, no. 10, pp. 2776-2781, Oct. 2004..

  • Gaudet, J.A.; Barker, R.J.; Buchenauer, C.J.; Christodoulou, C.; Dickens, J.; Gundersen, M.A.; Joshi, R.P.; Krompholz, H.G.; Kolb, J.F.; Kuthi, A.; Laroussi, M.; Neuber, A.; Nunnally, W.; Schamiloglu, E.; Schoenbach, K.H.; Tyo, J.S.; Vidmar, R.J., “Research Issues in Developing Compact Pulsed Power for High Peak Power Applications on Mobile Platforms”, Proceedings of the IEEE, vol. : 92 , no. 7, pp: 1144 – 1165, July 2004.

  • Karr B. A., T.E. Durham, M.T. Chryssomallis, J.A. Kralovec, G.K. Gothard and C.G. Christodoulou, “ Integral Equation Analysis and Investigation of a Broadband Cavity-Backed Array Antenna”, IEEE Transactions on Antennas and Propagation, vol. 52, no. 7, pp. 1913 – 1916, July 2004.

  • Patnaik A., D. E. Anagnostou, R. K. Mishra, C. G. Christodoulou, and J. C. Lyke, “Applications of Neural Networks in Wireless Communications”, IEEE Antennas and Propagation Magazine, June 2004, pp. 130-137.

  • Tzeremes G., T.S. Liao, P.K. L. Yu, and C. G. Christodoulou, “Computation of Equivalent Circuit Models of Optically Driven CPW Fed Slot Antennas for Wireless Communications”, IEEE Antennas and Wireless Propagation Letters, vol. 2, no. 10, pp. 140-142, 2003.

  • C. Christodoulou (editor), “Applied Computational Electromagnetics Society Journal”. Volume 18, Number 2. Special Issue on Neural Network Applications in Electromagnetics, July 2003

  • Antennas”, IEEE Transactions on Antennas and Propagation, vol. 51, no. 8, pp. 2057-2062, Aug. 2003

  • Gomez-Tagle J. and C. G. Christodoulou, “FDTD Analysis of Finite Phased Arrays of Stacked Microstrip Antennas”, IEEE Transactions on Antennas and Propagation, vol. 51, no. 8, pp. 2057-2062, Aug. 2003

  • Khodier M. and C.G. Christodoulou, “A Proposed Stacked Microstrip Antenna Structure for Bandwidth Enhancement”, Microwave and Optical Technology Letters, vol. 36, No. 1, pp. 26-28, Jan. 2003.

  • Khodier M., C. G. Christodoulou, and J. A. Simmons, “Equivalent Circuit Model for a THz Detector Based on the Double-Electron Layer Tunneling Transistor (DELTT)”, IEEE Transactions on Electron Devices, vol. 49, no. 10, pp. 1701-1708, Oct. 2002.

  • Khodier M., C. G. Christodoulou, T. S. Liao, and P. K. L. Yu, “Antenna Integration with a Waveguide Photodetector for High Capacity Wireless Communications”, Microwave and Optical Technology Letters, vol. 35, No. 3, pp. 179-184, Nov. 2002

  • Qian J., R. P. Joshi, K. H. Schoenbach,, M. Laroussi, Edl Schamiloglu, and C . G. Christodoulou, “Percolative Model Of Electric Breakdown In Liquid Dielectrics”, IEEE Special Issue on Trans. Plasma Science, vol. 30, no. 5, pp. 1931-1938, Oct. 2002

  • Joler M. and C. G. Christodoulou, “Laboratories Accessible Through the Internet”, IEEE Microwave Theory and Techniques Magazine, vol. 2, pp. 99-103., Dec. 2001.

  • Gomez-Tagle, M.T. Chryssonallis and C.G. Christodoulou, “FDTD analysis of finite-sized linear phased arrays of stacked microstrip Arrays”, Electrical Engineering, Springer-Verlag, vol. 83, no. 3, pp. 123-128, 2001.

  • Christodoulou C.G., P.F. Wahid, R.M. Mahbub, and M.C. Bailey, “Design of a Series-fed Foldable Microstrip Array Antenna”, IEEE Transactions on Antennas and Propagation, vol. 48, No. 8 , pp. 1264-1267, Aug. 2000.

  • El Zooghby A., C.G. Christodoulou and M. Georgiopoulos, “A Neural Network-based Smart Antenna for Multiple Source Tracking”, IEEE Transactions on Antennas and Propagation, vol. 48, no. 5, pp. 768-776, May 2000.

  • Dean R. N., Jr., P.C. Nordine and C. G. Christodoulou, “3-D Helical THz Antennas”, Microwave and Optical Technology Letters, pp. 106-111, Jan. 20, 2000

  • El Zooghby A., C.G. Christodoulou and M. Georgiopoulos, “A Neural-Network-based Linearly Constrained Minimum Variance Beamformer”, Microwave and Optical Technology Letters, pp. 451-455, June 1999.

  • Turner G. M. and C.G. Christodoulou, “FDTD Analysis of Periodic Phased Array Antennas”, IEEE Transactions on Antennas and Propagation, pp. 661-667, April 1999.

  • Christodoulou C.G., J. Gomez Tagle, J. Zalewski and M. Machura, “Applying MPI to Electromagnetic Field Calculations”, Informatica, vol. 22, pp. 485-490, 1998

  • El Zooghby A., C.G. Christodoulou and M. Georgiopoulos, “Neural Network-based Adaptive Beamforming for one and two Dimensional Antenna Arrays”, IEEE Transactions on Antennas and Propagation., Dec. 1998.

  • Hestand R. and C. G. Christodoulou, “Optimizing a Coplanar Waveguide-Fed Aperture Coupled Patch Antenna for Ease of Manufacturing and Elimination of Back Radiation Problems”, Microwave and Optical Technology Letters, pp. 391-396, Dec. 1998.

  • El Zooghby A., C. G. Christodoulou, and M. Georgiopoulos, “Performance of Radial Basis Function Networks for Direction of Arrival Estimation with Antenna Arrays”, IEEE Transactions on Antennas and Propagation, vol. 45, no. 11, pp. 1611-1617, Nov. 1997.

  • Gomez-Tagle J. and C.G. Christodoulou, “Bandwidth Enhancement for Stacked Concentric Ring Microstrip Antennas”, IEEE Transactions on Antennas and Propagation, vol. 45, no. 11, pp. 1626-1635, Nov. 1997

  • Liu Youcheng, C. G. Christodoulou and N.E. Buris, “Analysis of Frequency Selective Surfaces on Ferrite Substrates”, Journal of Electromagnetic Waves and Applications, vol. 11, pp. 593-607, 1997.

  • Rubelj M., P. F. Wahid, and C. G. Christodoulou, “A Microstrip Antenna Array for Direct Broadcast Satellite Receivers”, Microwave and Optical Technology Letters, vol. 15, no. 2, pp. 68-72, June 1997.

  • Boreman G. D., A. Dogariu, C. G. Christodoulou, and D. Kotter, “Modulation Transfer Function of Antenna-Coupled Infrared Detector Arrays”, Applied Optics, July 1996.

  • Ely J., C. G. Christodoulou, “Optimizing Spiral Antenna Performance with Conductive Plane Backing and Choice of Dielectric Material”, Microwave and Optical Technology Letters, vol. 12, no.4, pp. 183-187, July 1996.

  • Dogariu A., G.D. Boreman, C. G. Christodoulou, and D. Kotter, “Dipole-on-Dielectric Model for Infrared Lithographic Spiral Antennas”, Optics Letters, pp. 309-311, March 1996.

  • Ho C.S, J. J. Liu, M. Georgiopoulos, and C.G. Christodoulou, “A Mixed Analog/Digital VLSI Design and Simulation of an Adaptive Resonance Theory (ART) Neural Network Architecture”, Computer Simulation, vol. 66, n. 1, pp. 31-39, Jan. 1996

  • Buris N.E, C.G. Christodoulou, and J.F. Kauffman, “Focal Region Fields of Distorted Reflectors”, IEEE Transactions on Antennas and Propagation, vol. 43, no. 12, pp. 1478-1482, Dec. 1995.

  • Durham T. E. and C.G. Christodoulou, “Integral Equation Analysis of Dielectric Bodies of Revolution in the Presence of Arbitrary Surfaces”, IEEE Transactions on Antennas and Propagation, vol. 43., no. 7, pp. 674-680, July 1995.

  • Christodoulou, C. G., J. Huang, M.G. Georgiopoulos, and J.J. Liou, “Design of Gratings and Frequency Selective Surfaces Using ARTMAP Neural Networks”, Journal of Electromagnetic Waves and Applications”, vol. 9, No 1-2, pp. 17-36, Feb. 1995.

  • Christodoulou, C. G., J. Huang, M.G. Georgiopoulos, and J.J. Liou, “On the Application of a Neural Network in the Design of Cascaded Gratings”, Microwave and Optical Technology Letters , vol. 8, no. 4, pp. 171-175, March 1995.

  • Christodoulou C. G, and F. N. Grey, “Scattering from Metallic Gratings made of Various Conductivity Profile”, Journal of Electromagnetic Waves and Applications, vol. 8, No. 2, pp. 205-220, 1994.

  • Durham T. E. and C.G. Christodoulou, “A Method for Treating Junctions between Bodies of Revolution and Arbitrary Surfaces”, IEEE Transactions on Antennas and Propagation, vol. 42., no. 2, pp. 213-219, Feb. 1994.

  • Ho C.S, J. J. Liu, M. Georgiopoulos, G. L. Heileman, and C.G. Christodoulou, “Analog Circuit Design and Implementation of an Adaptive Resonance Theory (ART) Neural Network Architecture”, International Journal of Electronics, vol. 76, no. 2, pp. 271-291, 1994.

  • Christodoulou C.G., “Electromagnetic Scattering from Skew-Symmetric Metallic Grids”, Journal of Electromagnetic Waves and Applications, vol. 6, no. 13, pp. 777-782, October 1993.

  • Christodoulou C.G. and C.D. Cook, “Analysis of Electrically Small Hyperbolic Subreflectors Utilizing the Geometrical Theory of Diffraction”, Journal of Electromagnetic Waves and Applications, vol. 7, No. 7, pp. 987-1004, 1993.

  • Christodoulou C.G. and J. C. Schmidt, “Some Focusing Properties of Chirped Gratings at Microwave Frequencies”, Microwave and Optical Technology Letters, vol. 6, no. 8, pp. 507-512, June 1993.

  • Christodoulou C. G. and W. S. Arceneaux, “On the Evaluation of an Indoor Far-field Conductive Chamber”, Journal of Electromagnetic Waves and Applications, vol. 7, No. 2, pp. 247-262, 1993.

  • Murphy R.A., C.G. Christodoulou, and R.L. Phillips, “Bistatic Scattering from a Finite Lossy Cylinder”, Microwave and Optical Technology Letters, vol. 6, no. 1, pp. 76-81, Jan. 1993.

  • Durham T. E. and C.G. Christodoulou, “Electromagnetic Radiation From Structures Consisting of Combined Body of Revolution and Arbitrary Surfaces”, IEEE Transactions on Antennas and Propagation, pp. 1061-1067, Sept. 1992.

  • Nguyen Cam and C.G. Christodoulou, “An Efficient Implementation of the Harmonic Balance Technique for Solving Nonlinear Microwave Problems”, International Journal of Infrared and Millimeter Waves, vol. 13, no. 5, May 1992

  • P.F. Wahid, C.G. Christodoulou, and K.A. Rutkowski, “Radiated Fields of Microstrip Patch at Arbitrary Angular Positions”, Microwave and Optical Technology Letters, vol. 5, no. 1, pp. 7-10, Jan. 1992.

  • Johnson E.G. and C.G. Christodoulou, “Electromagnetic Scattering by Aperiodic Strip Gratings”, Journal of Electromagnetic Waves and Applications, vol. 6, No. 2, pp. 219-234, 1992.

  • Nguyen Cam and C.G. Christodoulou, “On the Analysis of Microwave MESFET Mixers”, Microwave and Optical Technology Letters, vol. 4, no. 8, pp. 307-311, July 1991.

  • Murphy R.A., C.G. Christodoulou and R.L. Phillips, “Electromagnetic Scattering from a Finite Cylinder with Complex Permittivity”, Journal of Electromagnetic Waves and Applications, vol. 5, No. 9, pp. 983-996, 1991.

  • Burns H.N., C.G. Christodoulou and G.D. Boreman, “Design of a Pulsed Laser Rangefinder Receiver”, Optical Engineering Journal, vol. 30, n0. 3, pp. 323-329, March 1991.

  • Uhing J., Thomas S. and C.G. Christodoulou, “A Statistical Approach for Calculating the Concatenated Connector Loss in Fiber-Optic Links”, Microwave and Optical Technology Letters, vol. 3, no. 8, pp. 290-294, August 1990.

  • Dunn D.S, G.L. Dunn and C.G. Christodoulou, “A Simple X-Band Waveguide-to-Microstrip E-Probe Transition”, Microwave and Optical Technology Letters, vol. 3, no. 5, pp. 172-175, May 1990.

  • Shi X. and C.G. Christodoulou, “Microwave Properties of Cascaded Arbitrarily Oriented Metallic Gratings and of Gratings Cascaded with Lossy Dielectric Slabs”, Journal of Electromagnetic Waves and Applications, vol. 4, No. 6, pp. 521-531, 1990.

  • Yin S.X., C.G. Christodoulou and M. Hamid, “Radiation Pattern of a Test Reflector Antenna from Near Field Measurements over the Focal Region of a coupled Lens or Offset Reflector”, IEEE Transactions on Antennas and Propagation, vol. 37, pp. 794-796, June 1989.

  • Christodoulou C.G., R.J. Middelveen and J.F. Kauffman, “Scattering from Periodic strip gratings Via the Secant-Spectral Iterative Method”, IEEE Transactions on Antennas and Propagation, vol. 37, pp. 407-410, March 1989.

  • Christodoulou C.G., S.X. Yin and J.F. Kauffman, “Effects of the Schottky Impedance of Wire Contact-Points on the Reflection Properties of a Mesh”, IEEE Transactions on Antennas and Propagation, vol. 36, pp. 1714-1721, December 1988.

  • Christodoulou C.G., P.K. Kwan, R. Middelveen and P. F. Wahid, “Scattering from Stacked Gratings and Dielectrics for Various Angles of Wave Incidence”, IEEE Transactions on Antennas and Propagation, vol. 36, pp. 1435-1442, October 1988.

  • Christodoulou C.G. and R.J. Middelveen, “On the Application of the Secant Method to the Spectral Iterative Approach”, Applied Computational Electromagnetics Society Journal, vol. 3, No. 1, pp. 103-119, Spring 1988.

  • Christodoulou C.G. and J.F. Kauffman, “On the Scattering of Electromagnetic Waves from Infinite Rectangular Conducting Grids”, IEEE Transactions on Antennas and Propagation, vol. AP-34, pp. 144-154, February 1986.

  • Christodoulou C.G. and J.F. Kauffman, “On an Algorithm for the Analysis of the radiation Patterns of Dual Reflector and Segmented Reflector Antennas”, IEEE Transactions on Antennas and Propagation, vol. AP-33, pp. 1101-1108, October 1985

  • S.P. Sotiroudis, G. Athanasiadou, G. T. Tsoulos, C. G. Christodoulou, S. K. Goudos, “Ensemble Learning for 5G Flying Base Station Path Loss Modelling”, European Conference on Antennas and Propagation (Eucap) 2022, Madrid, Spain, March 2022.

  • J. Vijayamohanan , A. Gupta, and C. G. Christodoulou, “Convolutional Neural Network Based models to perform RF Source Detection”, URSI AT-AP-RASC, Gran Canaria, Spain, May-June 2022.

  • E. J. Renteria, G. D. Heileman A. K. Majee, T. J. Rotter, G. Balakrishnan, C. Christodoulou, and F. Cavallo, “Semiconductor Nanomembranes for Electromagnetic Interference Shielding Applications”, 64th Electronic Materials Conference, Columbus, Ohio, June-July, 2022.

  • R. L. Gesner, C. G. Christodoulou, and S. Lane, “A New Image Based Regression CNN for Predicting V-band Power Attenuation ”, IEEE APS/URSI 2022, Denver, Colorado, July 2022.

  • J. Vijayamohanan, A. Gupta, S. Goudos, and C. G. Christodoulou, “Detecting coherent sources with deep learning”, IEEE APS/URSI 2022, Denver, Colorado, July 2022.

  • J. Smith and C. G. Christodoulou, “Channel Selection of Hybrid Communication Systems using Machine Learning”, IEEE APS/URSI 2022, Denver, Colorado, July 2022.

  • J. J. Machado-Lopez and C. G, Christodoulou, “Electrically Small Antenans with Minimal Broadband Radio Frequency Threat Coupling”, IEEE APS/URSI 2022, Denver, Colorado, July 2022.

  • S. K. Goudos, A. Boursianis, A. Wagdi Mohamed, M. Salucci, S. Koulouridis, and C. G. Christodoulou, “Wideband Antenna Design for 5G mmWave Applications Using Enhance Adaptive Differential Evolution”, IEEE APS/URSI 2022, Denver, Colorado, July 2022.

  • S. P. Sotiroudis, S.K. Goudos, and C. G. Christodoulou, “A hybrid CNN-NGBoost model for probabilistic image-driven path loss prediction”, IEEE APS/URSI 2022, Denver, Colorado, July 2022.

  • D. J. Prakash, J. Vijayamohanan; G. D. Heilman, A. Chaudhary, M. G. Lagally, D. W. Van Der Weide, C. Christodoulou, and F. Cavallo, “Characterization of Self-Assembled Helical Slow-Wave Structures for Millimeter-Wave Traveling-Wave Tube Amplifiers,” 2022 15th UK-Europe-China Workshop on Millimetre-Waves and Terahertz Technologies (UCMMT), 2022, pp. 1-3, doi: 10.1109/UCMMT56896.2022.9994830

  • M. Patriotis, F.N. Ayoub, and C. G. Christodoulou, “Pattern Reconfigurable Antenna for Cognitive Radio”, 2021 IEEE Cognitive Communications for Aerospace Applications Workshop (CCAAW), Cleveland, OH, June 2021.

  • R. L. Gesner, A. Gupta, J. Argyres, C. Christodoulou, S. Lane, D. Murrell, N. Tarasenko, and E. Hong, “Modeling the Effects of Gaseous Absorption and Cloud Attenuation for V-band using Deep Learning”, IEEE APS/URSI 2020, Montreal, CA, July 2020.

  • J. Vijayamohanan, O. Noakoasteen, A. Gupta, M. Martínez-Ramón, C. Christodoulou, “On Antenna Q-factor Characterization with Generative Adversarial Networks”, IEEE APS/URSI 2020, Montreal, Canada, July 2020.

  • D. Hensley, C. Christodoulou, and N. Jackson, “A Stretchable Liquid Metal Reconfigurable Monopole Antenna”, IEEE APS/URSI 2020, Montreal, Canada, July 2020.

  • A. Gupta, C. Christodoulou, M. Martinez-Ramon, and J. Luis Rojo Alvarez, “Deep Neural Nets for DOA Estimation with Random Arrays”, IEEE APS/URSI 2020, Montreal, Canada, July 2020.

  • J. Keeley, S. Lane, D. Murrell, E. Hong, N. Tarasenko, C. Christodoulou, and R. Gesner, “Depolarization of a V-band (72 GHz) Circularly Polarized Beacon Signal Due to Tropospheric Weather Events”, IEEE APS/URSI 2020, Montreal, Canada, July 2020.

  • G. Heileman, M. Reese, D. Doyle, and C. Christodoulou, “3D Printable Embedded RF Connectors”, IEEE APS/URSI 2020, Montreal, Canada, July 2020.

  • G. Heileman, M. Reese, D. Doyle, and C. Christodoulou, “Bending Performance of Thin 3D Printed Antennas”, IEEE APS/URSI 2020, Montreal, Canada, July 2020.

  • M. Patriotis, F. Ayoub, C. Christodoulou, and M. Chryssomallis, “ Reconfigurable Four-Sector Cube Antenna for IoT Devices”, IEEE APS/URSI 2020, Montreal, Canada, July 2020.

  • E. Hong, S. Lane, D. Murrell, J. Keeley, C. Christodoulou, and N. Tarasenko, “Rain Attenuation Measurements with an 84 GHz Terrestrial Link in Albuquerque, NM, USA”, IEEE APS/URSI 2020, Montreal, Canada, July 2020.

  • M. Patriotis, F. N. Ayoub, C. G. Christodoulou, and S. Jayaweera, “A K/Ka Band Frequency Reconfigurable Transmit/Receive Antenna Array”, European Conference on Antennas and Propagation (Eucap) 2019, Krakow, Poland, April 2019.

  • A. Gupta, M. Martinez-Ramon, C. G. Christodoulou1, and Jose Luis Rojo-Alvarez, “Bearing Estimation with Randomized Linear Arrays”, European Conference on Antennas and Propagation (Eucap) 2019, Krakow, Poland, April 2019.

  • D. S. Guillette, T. Clarke, C. Christodoulou, “ Intentional Electromagnetic Irradiation of Microcontroller”, 2019 International Conf. on Electromagnetics in Advanced Applications (ICEAA), Granada, Spain, Sept. 2019

  • J. Vijayyamohanan, F. N. Ayoub, M. Patriotis, C. G. Christdoodulou, and J. Lyke, “ Peel-off and Stick Antennas for Small Unmanned Aerial Vehicles”, IEEE APS/URSI 2019, Atlanta, GA, pp. 117-118, July 2019.

  • M. Patriotis, F. N. Ayoub, C. G. Christdodoulou, and M.T. Chryssomallis, “ A Reconfigurable K/Ka Band Filtenna Using a Double Arm Ring Resonator”, IEEE APS/URSI 2019, Atlanta, GA, pp. 1479-1480, July 2019.

  • F.N. Ayoub,E. Ardelean, C.G. Christodoulou, D. Murrell, and S. Lane, “A Dual-Band Dual-Circularly Polarized Pyramidal Horn Antenna”, IEEE APS/URSI 2019, Atlanta, GA, pp. 895-896, July 2019.

  • R.L.Gesner, C.G. Christodoulou, S. Lane, D. Murrell, E. Hong, N.Tarasenko, “Modeling the Effects of Gaseous Absorption and Attenuation due to Clouds for a 72 GHz Terrestrial Link”, IEEE APS/URSI 2019, Atlanta, GA, pp. 665-666, July 2019.

  • A. Gupta, C. G. Christodoulou, M. Martınez-Ramon, and J. Luis Rojo-Alvarez, “Gaussian Process Regression for Array Interpolation”, IEEE APS/URSI 2019, Atlanta, GA, pp. 1433-1434, July 2019.

  • Y. Tawk, A. El Amine, S. Saab, J. Costantine, and C. G. Christodoulou, “A Cognitive Radio Simulator for Mobile Autonomous Reconfigurable Antennas”, European Conference on Antennas and Propagation (Eucap) 2018, London, UK, 2018.

  • M. Patriotis, F. Ayoub, and C. G. Christodoulou, “A Ka-Band Frequency Reconfigurable Circularly Polarized Antenna Array Using a Ring Resonator”, IEEE APS/URSI 2018, Boston, July 2018.

  • X. Pan, H. Faraji, E. Schamiloglu, and C. G. Christodoulou, “Over-moded Bent Circular Waveguide Mode Converter for Gaussian Radiation Pattern from Relativistic BWOs”, IEEE APS/URSI 2018, Boston, July 2018.

  • 397) A. Gupta, C. G. Christodoulou, M. Martínez-Ramón, J. Luis Rojo-Álvarez, “Kernel DOA estimation in nonuniform arrays”, IEEE APS/URSI 2018, Boston, July 2018.

  • D. Murrell, N. Tarasenko, E. Hong, Z. Casteel, S. Lane, J. Nessel, and C. G. Christodoulou, “Results of W/V band propagation studies in Albuquerque, NM, over two years”, IEEE APS/URSI 2018, Boston, July 2018.

  • G. Heileman, Y. Tawk, D. Doyle, and C. G. Christodoulou, “A 3D Printed Tunable Phase Shifter”, IEEE APS/URSI 2018, Boston, July 2018.

  • D. Guillette and C. G. Christodoulou, “IEMI Microcontroller Effects: An Overview of Recent Results”, in AMEREM 2018, Santa Barbara, CA, 2018.

  • Y Tawk, S Saab, A El-Amine, J Costantine, F Ayoub, CG Christodoulou, "A frequency reconfigurable meander monopole antenna for cognitive radio", 2017 International Conference on Electromagnetics in Advanced Applications (ICEAA), Torino, Italy, 2017, pp. 1060-1062.

  • F.A. Asadallah, J. Costantine, Y. Tawk, L. Lizzi, F. Ferrero, C.G. Christodoulou, "A digitally tuned reconfigurable patch antenna for IoT devices", 2017 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting, San Diego, USA, 2017, pp. 917-918.

  • M. Chahoud, Y. Tawk, J. Costantine, C.G. Christodoulou, "A miniaturized 3D printed quadrifilar helix antenna with a conical ground plane", 2017 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting, San Diego, USA, 2017, pp. 2541-2542.

  • Y. Tawk, J. Costantine, F. Ayoub, C.G. Christodoulou, D. Doyle, S.A. Lane, "Physically reconfigurable antennas: Concepts and automation", 2017 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting, San Diego, USA, 2017, pp. 419-420.

  • M.A.K. Othman, F. Capolino, X. Pan, G. Atmatzakis, C.G. Christodoulou, "Experimental Verification of Degenerate Band Edge Dispersion in Metallic Waveguides", 2017 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting, San Diego, USA, 2017, pp. 447-448.

  • N. Daoud, C.G. Christodoulou, D. Murrell, N. Tarasenko, E. Hong, S.A. Lane, "Rain attenuation analysis at 84 GHz", 2017 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting, San Diego, USA, 2017, pp. 1629-1630.

  • F. Ayoub, Y. Tawk, J. Costantine, C.G. Christodoulou, E. Ardelean, S.A. Lane, "2-D cross slotted W-band waveguides array", 2017 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting, San Diego, USA, 2017, pp. 2553-2554.

  • X. Pan, C.G. Christodoulou, J. Lawrance, J. McConaha, M. Landavazo, "Cold & hot tests of an S-band antenna for high power microwave systems", 2017 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting, San Diego, USA, 2017, pp. 627-628.

  • A. Eid, J. Costantine, Y. Tawk, M. Abdallah, A.H. Ramadan, C.G. Christodoulou, "Multi-port RF energy harvester with a tapered matching network", 2017 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting, San Diego, USA, 2017, pp. 1611-1612.

  • F. A. Asadallah, J. Costantine, Y. Tawk, C. G. Christodoulou, "Isolation Enhancement in MIMO Reconfigurable PIFAs for Mobile Devices", 11th European Conference on Antennas and Propagation, Paris, France, 2017, pp. 3803-3805.

  • E. Hong, S.Lane, D. Murrell, N.Tarasenko, C.G. Christodoulou, "Terrestrial link rain attenuation measurements at 84 GHz", 2017 United States National Committee of URSI National Radio Science Meeting (USNC-URSI NRSM), Boulder, Colorado, USA, 2017

  • Youssef Tawk, Michel Chahoud, Marwan Fadous, Elias Hanna, Joseph Costantine, Firas Ayoub, and Christos G. Christodoulou, “3D Printed Miniaturized Quadrifilar Helical Antenna”, International Conference on Electromganetic Applications, Cairns, Australia, 2016, pp. 604-606.

  • M. Abdallah, J. Costantine, A. H. Ramadan, Y. Tawk3 C. G. Christodoulou,“A New RF Rectifier Topology with Enhanced Operable Power Range”, International Conference on Electromganetic Applications, Cairns, Australia, 2016, pp. 82-84.

  • Y Tawk, J Costantine, S. Barbin, and C. G. Christodoulou, “Software Controlled Antennas for Cognitive Radio”, International Symposium on Electromagnetic Theory (EMTS), Espoo, Finland, 2016, pp. 326-327.

  • C. G. Christodoulou, J. Costantine, Y. Tawk, and S. A. Lane, “Multifunctional Reconfigurable-Deployable Antennas for Space Applications”, AIAA SPACE 2016, San Diego, September 2016.

  • A. Gupta, Derek Doyle, Joseph Costantine, and C. G. Christodoulou, “Performance Evaluation of A 3D Printed Antenna”, IEEE APS/URSI 2016, Puerto Rico

  • F. A. Assadallah, J. Costantine, Y. Tawk, F. Ayoub, C. G. Christodoulou, “A Multiband and Reconfigurable PIFA for Mobile Devices”, IEEE APS/URSI 2016, Puerto Rico, pp. 2179-2180.

  • J. Costantine, Y. Tawk, and C. G. Christodoulou, “Deployable Antenna Concepts for CubeSats”, IEEE APS/URSI 2016, Puerto Rico, pp. 1541-1542.

  • D.A. Murrell, S.A. Lane, N. P. Tarasenko, and C. G. Christodoulou, “A Review of Spaced Based RF Propagation Experiments and Examination of a New Interest in W/V Band (40-110 GHz) Studies”, IEEE APS/2016, Puerto Rico, pp. 1527-1528.

  • N. P. Tarasenko, S. A. Lane, D. A. Murrell, C. G. Christodoulou, J. Nessel, M. Zemba, and J. Houts, “W/V-band Terrestrial Link Experiment, an Overview”, IEEE APS/URSI 2016, Puerto Rico, pp. 1260.

  • X. Pan, C. G. Christodoulou, and J. Lawrance, “Design of High Power Microwave Antennas Using 3D Printing Technology”, IEEE APS/URSI 2016, Puerto Rico, pp. 821-822.

  • F.N. Ayoub, Y. Tawk, J. Costantine, C.G. Christodoulou, S. Lane, and D. Murrell, “W/V-band Reconfigurable Array Using Highly Anisotropic Liquid Crystals”, IEEE APS/URSI 2016, Puerto Rico, pp. 96.

  • M. Abdallah, J. Costantine, A. H. Ramadan, Y. Tawk, C. G. Christodoulou, “A New RF Rectifier for Energy Harvesting with Enhanced Dynamic Power Range”, IEEE APS/URSI 2016, Puerto Rico, pp. 605-606.

  • M. E. Zamudio, T. Busani,Y. Tawk, J. Costantine, C. Christodoulou, “Design of AZO Film for Optically Transparent Antennas”, IEEE APS/URSI 2016, Puerto Rico, pp. 127-128.

  • N. Daoud, C. G. Christodoulou, F. Ayoub, N. Tarasenko, D. Murrell, D. Hensley, and S. Lane, “Preliminary Rain Attenuation Studies for W/V-band Wave Propagation Experiment”, IEEE APS/URSI 2016, o Rico, pp. 113-114

  • E. Hong, S. Lane, D. Murrell, and C. G. Christodoulou, “Validation of the Mie Theory for Rain Attenuation at 72 and 84 GHz”, IEEE APS/URSI 2016, Puerto Rico, pp. 111-112.

  • F. Makhlouf, Y. Tawk, J. Costantine, and C. G. Christodoulou, “A Four Sectorial Software Controlled Reconfigurable MIMO Antenna System”, IEEE APS/URSI 2016, Puerto Rico, pp. 649-650

  • A. H. Ramadan, J. Costantine, Y. Tawk, K. Y. Kabalan and C. G. Christodoulou, "A reconfigurable RF front-end receiver for autonomous spectrum sensing cognitive radios," 10th European Conference on nas and Propagation, Davos, April 2016, pp. 1-2.

  • A. Gupta, J. Costantine, Y. Tawk, C. G. Christodoulou, S. Pellegrino, and M. Sakovsky, “A deployable vivaldi-fed conical horn antenna for cubesats,” IEEE URSI National Radio Science Meeting, er, Colorado, January 2016, pp. 1-2.

  • J. Costantine, R. Kanj, Z. Ghorayeb, T. Al Bahar, Y. Itani, Y. Tawk, and C. G. Christodoulou, “A radiation pattern reconfigurable antenna for WLAN access,” IEEE URSI National Radio Science Meeting, er, Colorado, January 2016, pp. 1-2.

  • C. G. Christodoulou, D. Doyle, C. Woehrle, J. Costantine, and Y. Tawk, “Reconfigurable antennas for cognitive radio and space applications”, Antennas and Propagation Conference (LAPC), oughborough, 2015, pp. 1-3.

  • H. Seidfaraji, G. Atmatzakis, and C. Christodoulou, “HPM Metamaterial-Based Phase Shifter”, IEEE Pulsed Power Conference & Symposium on Fusion Engineering, Austin, Texas, June 2015.

  • M. E. Zamudio, Y. Tawk, J. Costantine, F. N. Ayoub, and C. G. Christodoulou, “Design of a transparent spiral antenna for energy harvesting”, IEEE International Symposium on Antennas and Propagation URSI), Vancouver, CA, July 2015, pp. 1282-1283.

  • M. Abdallah, J. Costantine, A. H. Ramadan, Y. Tawk, F. Ayoub, C. G. Christodoulou, and K. Y. Kabalan, “Wide power range RF energy harvesting circuit”, IEEE International Symposium on Antennas and gation (APS-URSI), Vancouver, CA, July 2015, pp. 1296-1297.

  • Y. Tawk, C. G. Christodoulou, and J. Costantine, “An integrated two MIMO antenna system based on directive printed dipoles”, IEEE International Symposium on Antennas and Propagation (APS-URSI), uver, CA, July 2015, pp. 705-706.

  • F. N. Ayoub, Y. Tawk, C. Woehrle, J. Costantine, and C. G. Christodoulou, “Reconfigurable cyclical patch antenna”, IEEE International Symposium on Antennas and Propagation (APS-URSI), Vancouver, A, 2015, pp. 2249-2250.

  • Y. Tawk, F. Ayoub, C. G. Christodoulou, and C. G. Costantine, “An array of inverted-F antennas for RF energy harvesting”, IEEE International Symposium on Antennas and Propagation (APS-URSI), uver, CA, July 2015, pp. 1278-1279.

  • J. Costantine, Y. Tawk, C. G. Christodoulou, I. Maqueda, M. Sakovsky, and S. Pellegrino, “A new UHF deployable antenna for cubeSats”, IEEE International Symposium on Antennas and Propagation (RSI), Vancouver, CA, July 2015, pp. 1426-1427.

  • A. Gupta, Y. Huang, and C.G. Christodoulou, “Correlation between Poynting flux and TEC at high latitudes during extreme geomagnetic storm events”, IEEE International Symposium on Antennas and gation (APS-URSI), Vancouver, CA, July 2015, pp. 290.

  • A. Elfrgani, G. Atmatzakis, S. C. Yurt, C. G. Christodoulou, and E. Schamiloglu, “Relativistic vircator with an electromagnetic bandgap medium”, IEEE International Conference on Plasma Sciences (), 2015, pp. 1-1.

  • M. Al-Husseini, H.M. El Misilmani, K. Y. Kabalan, A. El-Hajj, X. Pan, and C. G. Christodoulou, “Controllable-sidelobe slotted waveguide antennas with corrugations for frequency selectivity”, IEEE national Symposium on Antennas and Propagation (APS-URSI), Vancouver, CA, July 2015, pp. 214-215.

  • X. Pan, and C.G. Christodoulou, “A Compact C-band narrow-wall complementary-split-ring slotted waveguide antenna for high power applications”, IEEE International Symposium on Antennas and gation (APS-URSI), Vancouver, CA, July 2015, pp. 675-676.

  • Y. Tawk, J. Costantine, and C. G. Christodoulou, “An inverted-F antenna integrated with solar cells for energy harvesting”, 9th European Conference on Antennas and Propagation (EuCAP), Lisbon, gal, 2015, pp. 1-2.

  • A. H. Ramadan, K. Y. Kabalan, J. Costantine, Y. Tawk, and C.G. Christodoulou, “A tunable filtenna for cognitive radio applications”, 9th European Conference on Antennas and Propagation (EuCAP), n, Portugal, 2015, pp. 1-2.

  • J. Lawrance and C. G. Christodoulou, “Metal Plate Lenses for A High Power Microwave Zoom Antenna”, American Electromagnetics Conference (AMEREM), Albuquerque, New Mexico, July 28- Aug 1, 2014

  • H. S. Faraji, G. Atmatzakis, M. F. Su, and C. G. Christodoulou, “Creating Double Negative Index Metallic Materials for HPM Applications”, American Electromagnetics Conference (AMEREM), Albuquerque, exico, July 28- Aug 1, 2014

  • X. Pan, M. Al-Husseini, and C. G. Christodoulou, “Miniaturized Slotted Waveguide Antennas with Periodic Structures for HPM Applications”, American Electromagnetics Conference (AMEREM), Albuquerque, exico, July 28- Aug 1, 2014

  • D. Doyle, T. Starr, and C.G. Christodoulou, “Dielectric characterization of 3D printed materials with a confocal Fabry Perot resonator for space utilization”, IEEE International Symposium on nas and Propagation (APS-URSI), Memphis, TN, July 2014, pp. 223-224.

  • Y. Ben-Shimol, N. Blaunstein, and C. G. Christodoulou, “Depolarization effects of radio wave propagation in various land built-up environments”, IEEE International Symposium on Antennas and gation, Memphis (APS-URSI),TN, July 2014, pp. 955-956.

  • G. Atmatzakis, H. S. Faraji, M. F. Su, and C. G. Christodoulou, “A Compact CSRR-loaded waveguide slot antenna”, IEEE International Symposium on Antennas and Propagation (APS-URSI), Memphis, TN, 2014, pp. 1276-1277.

  • X. Pan and C. G. Christodoulou, “A Narrow-wall Slotted Waveguide Antenna Array for High Power Applications”, IEEE International Symposium on Antennas and Propagation (APS-URSI), Memphis, TN, July pp. 1493 – 1494.

  • J. Lawrance and C. G. Christodoulou, “A High Power Microwave Zoom Antenna with Metal Plate Lenses”, IEEE International Symposium on Antennas and Propagation (APS-URSI), Memphis, TN, July 2014, pp. 1653.

  • D. Doyle, C. Woehrle, and C. Christodoulou, “Development of Liquid Crystal Reflectarrays Utilizing a Passive Matrix Control Scheme”, IEEE International Symposium on Antennas and Propagation (RSI), Memphis, TN, July 2014, pp. 1031-1032.

  • C. Woehrle, F. Ayoub, D. Doyle, and C. Christodoulou, “Liquid Crystal Reconfigurable Circularly Polarized Patch Antenna”, IEEE International Symposium on Antennas and Propagation (APS-URSI), is, TN, July 2014, pp. 561-562.

  • F.N. Ayoub, C. Woehrle, Y. Tawk, J. Costantine, D.T. Doyle and C. G. Christodoulou, "Frequency-Tunable Patch Array Using Highly Anisotropic Liquid Crystal", IEEE International Symposium on Antennas ropagation (APS-URSI), Memphis, TN, July 2014, pp. 1664 – 1665.

  • A. H. Ramadan, J. Costantine, K. Y. Kabalan, Y. Tawk, C. G. Christodoulou, and M. Al-Husseini, “A tunable RF front-end receiver for cognitive radio applications”, IEEE International Symposium on nas and Propagation (APS-URSI), Memphis, TN, 6-11 July 2014, pp. 1212-1213.

  • A. H. Ramadan, J. Costantine, K. Y. Kabalan, Y. Tawk, C. G. Christodoulou, and M. Al-Husseini, “A polarization diverse tunable filtenna for cognitive radio applications”, IEEE International sium on Antennas and Propagation (APS-URSI), Memphis, TN, 6-11 July 2014, pp. 1455-1456.

  • J. Costantine, Y. Tawk, F. Ayoub, and C. G. Christodoulou, “Software enabled cognitive radio antenna system”, IEEE International Symposium on Antennas and Propagation (APS-URSI), Memphis, TN, 6-11 2014, pp. 1210-1211.

  • J. Costantine, S. Saeed, A. Ramadan, K. Y. Kabalan, Y. Tawk, and C. G. Christodoulou, “A MIMO based meander line antenna for mobile devices”, IEEE International Symposium on Antennas and ropagation -URSI), Memphis, TN, 6-11 July 2014, pp. 673-674.

  • Y. Tawk, F. Ayoub, C. G. Christodoulou, and J. Costantine, “A frequency/pattern reconfigurable modified dipole antenna array”, IEEE International Symposium on Antennas and Propagation (APS-URSI), is, TN, 6-11 July 2014, pp. 1662-1663.

  • Y. Tawk, J. Erickson, F. Ayoub, O. Lavrova, and C. G. Christodoulou, “The integration of solar cells with PIFA for energy harvesting”, IEEE International Symposium on Antennas and Propagation (RSI), Memphis, TN, 6-11 July 2014, pp. 1351-1352.

  • M. Ciaurriz, Y. Tawk, C.G. Christodoulou, and J. Costantine, “Adaptive beamforming for random planar arrays”, IEEE International Symposium on Antennas and Propagation (APS-URSI), Memphis, TN, 6-11 2014, pp. 1728-1729.

  • A. H. Ramadan, J. Costantine, Y. Tawk, M. Al-Husseini, C. G. Christodoulou, and K. Kabalan, “A research vision on cognitive radio filter-antennas”, 8th European Conference on Antennas and gation, Netherlands, 6-11 April 2014, pp. 3654- 3656.

  • C. C. Christodoulou, M. Ciaurriz, S. E. Barbin, Y. Tawk, and J. Costantine, “Recent advances in random reconfigurable arrays”, 8th European Conference on Antennas and Propagation, Netherlands, 6-11 2014, pp. 732-736.

  • Y. Tawk, J. Costantine, and C. G. Christodoulou, “A reconfigurable feeding network,” 8th European Conference on Antennas and Propagation, Netherlands, 6-11 April 2014, pp. 1534-1536.

  • J. Costantine, Y. Tawk, and C. G. Christodoulou, “Reconfigurable deployable antennas for space communications”, The International Workshop on Antenna Technology, Sydney, Australia, 4-6 March 2014., 56-159.

  • G. Atmatzakis, T. Wynkoop, X. Pan, S. Prasad, M. Gilmore, and C. G. Christodoulou, “A Metamaterial Pyramidal Horn Antenna for High Power Applications”, National Radio Science Meeting (NRSM), er, CO, Jan 8-11, 2014

  • G. Atmatzakis, T. Wynkoop, M. Al-Husseini, S. Prasad, M. Gilmore, and C. G. Christodoulou, “A Soft Corrugated Pyramidal Horn Antenna for Radial Power Extraction from an A6 Magnetron”, National adio nce Meeting (NRSM), Boulder, CO, Jan 8-11, 2014

  • M. Al-Husseini. X. Pan, G. Atmatzakis, and C. G. Christodoulou, " Improved Slotted Waveguide Antenna with Optimized Corrugations and Suppressed Sidelobes for High-Power Applications", National adio nce Meeting (NRSM), Boulder, CO, Jan 8-11, 2014.

  • X. Pan, M. Al-Husseini, G. Atmatzakis, and C. G. Christodoulou, “A SRR-loaded Sub-wavelength Waveguide with H-plane-bend Radiator and Improved Matching for High Power Applications”, National Radio ce Meeting (NRSM), Boulder, CO, Jan 8-11, 2014

  • F. Ayoub, C. G. Christodoulou, Y. Tawk, J. Costantine, and S. Hemmady, “The effect of feeding techniques on the bandwidth of millimeter-wave patch antenna arrays”, National Radio Science Meeting (, Boulder, CO, Jan 8-11, 2014

  • J. Costantine, Y. Tawk, C. G. Christodoulou, G. Olson, and S. Pellegrino, “UHF deployable antenna structures for cubesats”, National Radio Science Meeting (NRSM), Boulder, CO, Jan 8-11, 2014

  • Y. Tawk, J. Costantine, F. Ayoub, and C. G. Christodoulou, “Antenna functionalities in a cognitive radio environment”, National Radio Science Meeting (NRSM), Boulder, CO, Jan 8-11, 2014

  • H.S. Faraji, G. Atmatzakis, M.F. Sum and C. G. Christodoulou, “Nonlinear effects in high-power applications of metamaterials”, in IEEE Conf. on Plasma Science (ICOPS), San Francisco, June 2013, p. 0) Shi, Y., E. Zesta, H. J. Connor, Y.-J. Su, E. Sutton, D. Ober, and C. Christodoulou (2013), “High-latitude Thermosphere Response to Solar Wind Dynamic Pressure Enhancements and Magnetic Storms”, GU meeting, San Francisco, California, 2013

  • C. D. Woehrle, D. Doyle, C. G. Christodoulou, “Antenna Profile of a Solar Array”, IEEE International Symposium on Antennas and Propagation, Orlando, July 2013, pp. 2111-2112.

  • J. Costantine, Y. Tawk, and C. G. Christodoulou, A New Quadrifilar Helix Antenna for Space Communications”, IEEE International Symposium on Antennas and Propagation, Orlando, July 2013, pp. 2068.

  • J. Costantine, S. Saeed, Y. Tawk, F. Ayoub, and C. G. Christodoulou, “A New Reconfigurable Meander Line Antenna”, IEEE International Symposium on Antennas and Propagation, Orlando, July 2013, pp. 89.

  • T. Christian, H. Loui, C. G. Christodoulou, and D. F. Dubbert, “A New Approach for In-Situ Scan Impedance Characterization of Scanned Antenna Arrays”, IEEE International Symposium on Antennas and gation, Orlando, July 2013, pp. 304-305.

  • Y. Tawk, C. G. Christodoulou and J. Costantine, “Radiation and Frequency Reconfiguration Using Tilted Printed Monopoles”, IEEE International Symposium on Antennas and Propagation, Orlando, July pp. 1442-1443.

  • Y. Tawk, E. Al-Zuraiqi, C. G. Christodoulou, and J. Costantine, “Using Neural Networks for Switch Failure Correction in Frequency Reconfigurable Antenna Arrays”, IEEE International Symposium on nas and Propagation, Orlando, July 2013, pp. 1062-1063.

  • J. Costantine, Y. Tawk and C. G. Christodoulou, “A Reconfigurable Antenna with Software Controlled Ground Plane”, IEEE International Symposium on Antennas and Propagation, Orlando, July 2013, pp. 1059.

  • Y. Tawk, F. Ayoub, C. G. Christodoulou, and J. Costantine, “A MIMO Cognitive Radio Antenna System”, IEEE International Symposium on Antennas and Propagation, Orlando, July 2013, pp. 572-573.

  • J. Costantine, K.Y. Kabalan, A. El Hajj, Y. Tawk and C. G. Christodoulou, “A Reconfigurable Deployable Helical Antenna for Small Satellites”, IEEE International Symposium on Antennas and gation, Orlando, July 2013, pp. 390-391.

  • Y. Tawk, C. G. Christodoulou, M. Zamudio, E. Nassar, and J. Costantine, “The Integration of Reconfigurable Filters for the Matching of Wideband Antennas”, IEEE International Symposium on Antennas ropagation, Orlando, July 2013, pp. 2211-2212

  • G. Atmatzakis, D. Murrell, C. G. Christodoulou, and L. F. Lester, “A Microwave Antenna Array with Injection Locked Quantum Dot Laser Sources”, IEEE International Symposium on Antennas and gation, Orlando, July 2013, pp. 1810-1811

  • J. Costantine, Y. Tawk, and C. G. Christodoulou, “Tuning a cognitive radio antenna system with motion detection”, 7th European Conference on Antennas and Propagation, Gothenburg, Sweden, April 013, 855-858.

  • Y. Tawk, A. Ernest, J. Costantine, and C. G. Christodoulou,“A reconfigurable band-reject MIMO for cognitive radio”, 7th European Conference on Antennas and Propagation, Gothenburg, Sweden, April pp. 1996-1998.

  • Firas Ayoub, C. G. Christodoulou, Sameer Hemmady and Y. Tawk, “Coherent Chaotic Oscillator”, National Radio Science Meeting (NRSM) , Boulder, CO, Jan. 9-12, 2013.

  • Y. Tawk, J. Costantine, E. Al-Zuraiqi, and C. G. Christodoulou, “Cognitive radio antennas that learn and adapt using Neural Networks”, National Radio Science Meeting (NRSM), Boulder, CO, Jan. 2013.

  • J. Costantine, Y.Tawk, and C.G. Christodoulou, “Software controlled mechanically reconfigurable antennas for cognitive radio”, National Radio Science Meeting (NRSM), Boulder, CO, Jan. 9-12, 2013.

  • G. Atmatzakis, D. Murell, C. G. Christodoulou, and L. F Lester, “Characterization of a quantum dot mode locked laser functioning as a photonic microwave source”, National Radio Science Meeting ( , Boulder, CO, Jan. 9-12, 2013.

  • G. Atmatzakis, D. Murell, C. G. Christodoulou, and L. F Lester, “Injection locking properties of a photonic microwave oscillator based on a quantum dot mode locked laser”, National Radio Science ng (NRSM), Boulder, CO, Jan. 9-12, 2013.

  • J. Costantine, Y. Tawk, S. Moth, C. G. Christodoulou, and S. E. Barbin, “A Modified Helical Shaped Deployable Antenna for Cubesats” IEEE APWC’12, Sep 2-7, 2012, Cape Town, South Africa, pp. 1116

  • V. Santalla del Rio, L. Abalde-Lima, and C. G. Christodoulou, “Multiple Electromagnetic Scattering from two finite oriented cylinders at Oblique Incidence”, IGARSS 2012, July 2012, Munich, ermany, 5802-5804.

  • Yang Li, S. K. Jayaweera, and C. G. Christodoulou, “Wideband PHY/MAC Bandwidth Aggregation Optimization For Cognitive Radios”, 3rd International Workshop on Cognitive Information Processing ( Baiona, Spain, May 2012, pp. 1-6.

  • C. G. Christodoulou, Y. Tawk., and S. K. Jayaweera,“Cognitive Radio, Reconfigurable Antennas, and Radiobots”, IEEE International Workshop on Antenna Technology, IWAT 2012, Tuscon, AZ, Mar. 5-7 (ed paper)

  • G. Atmatzakis, C. G. Christodoulou, D. Murell, and L. F. Lester, “RF Power Extraction from a Quantum Dot Mode Locked Laser Connected to an Antenna”, IEEE International Symposium on Antennas and gation, Chicago, July 2012, pp. 1-2.

  • M. Zamudio, Y. Tawk, C. G. Christodoulou, and J. Costantine, “Embedding a Reconfigurable Band-Pass/Band-Stop Filter into an Antenna”, IEEE International Symposium on Antennas and Propagation, go, July 2012, pp. 1-2.

  • A. Ernest, Y. Tawk, C. G. Christodoulou, and J. Costantine, “Bottom Feeding of the Conical Log Periodic Antenna for CubeSat Applications”, IEEE International Symposium on Antennas and Propagation, go, July 2012, pp. 1-2.

  • Y. Tawk, S. Hemmady, C. G. Christodoulou, and J. Costantine, “An Experimental Setup for Measuring the Tuning Time of an Optically Pumped Frequency Reconfigurable Antenna System”, IEEE nternational osium on Antennas and Propagation, Chicago, July 2012.

  • J. Costantine, E. Fucinari, A. Kajikawa, M. Shiva, Y. Tawk, and C. G. Christodoulou, “Tuning of Reconfigurable Antennas By Motion Detection”, IEEE International Symposium on Antennas and gation, Chicago, July 2012, pp. 1-2.

  • E. Al Zuraiqi, Y. Tawk, H. Pollard, and C. G. Christodoulou, “Controlling Reconfigurable Antennas via Neural Network Embedded into an FPGA”, IEEE International Symposium on Antennas and gation, Chicago, July 2012, pp. 1-2.

  • M. J. Rivera, J. Costantine, Y. Tawk , and C.G. Christodoulou, “ Detection of Failures in Switch Reconfigurable Antenna Arrays Using Embedded Sensing Lines”, IEEE International Symposium on nas and Propagation, Chicago, July 2012, pp. 1-2.

  • A. H. Ramadan, M. Al- Husseini, K. Y. Kabalan, A. El-Hajj, and C. G. Christodoulou,“Narrowband Frequency-Tunable Antenna for Cognitive Radio Applications”, 6th European Conference on Antennas and gation, Prague, Czech Republic, March-April 2012, pp. 3273 – 3277.

  • Y. Tawk, M.E. Zamudio, C. G. Christodoulou, and J. Costantine, “Cognitive Radio Reconfigurable “Filtenna”, 6th European Conference on Antennas and Propagation, Prague, Czech Republic, -April 2012pp. 3565 – 3568.

  • J. Costantine, Y.Tawk, A. Ernest, and C. G. Christodoulou,“ Deployable Antennas for CubeSat and Space Communications”, 6th European Conference on Antennas and Propagation, Prague, Czech epublic, h-April 2012, pp. 837 – 840.

  • Y. Tawk, J. Costantine, C. Christodoulou, “A Reconfigurable Filter for Cognitive Radio Applications”, National Radio Science Meeting (NRSM), Boulder, CO, Jan. 4-7, 2012.

  • J. Costantine, Y. Tawk, J. Himmelheber, M. Shiva., C. G. Christodoulou, “A Cognitive Radio Planar Antenna System with a Reconfigurable substrate Height”, National Radio Science Meeting (NRSM) , er, CO, Jan. 4-7, 2012.

  • Ali Ramadan M. Al-Husseini, Y. Tawk, J. Costantine, C. Christodoulou, K. Kabalan, and Ali El-Hajj, “A Frequency-Tunable Pattern Diversity Antenna for Cognitive Radio Applications”, National Science Meeting (NRSM) , Boulder, CO, Jan. 4-7, 2012.

  • Y. Tawk, J. Costantine, C. Christodoulou, “The use of Reconfigurable Antennas in a Cognitive Radio Environment”, National Radio Science Meeting (NRSM) , Boulder, CO, Jan. 4-7, 2012.

  • S. K. Jayaweera, Y. Li, M. Bkassiny, C. Christodoulou, and Keith Avery, “Radiobots: The Autonomous, Self-learning Future Cognitive Radios”, International Symposium on Intelligent Signal ssing and Communications Systems, Thailand, Dec. 2011, pp. 1-5.

  • Y. Tawk, S. K. Jayaweera, C. G. Christodoulou, “A Comparison Between Different Cognitive Radio Antenna Systems”, International Symposium on Intelligent Signal Processing and Communications Systems, and, Dec. 2011, pp. 1-5.

  • Y. Tawk, J. Costantine, S. E. Barbin, C. G. Christodoulou, “Integrating Laser Diodes in a Reconfigurable Antenna System”, IMOC 2011 , Natal, Brazil, Oct. 29 - Nov. 01, 2011, pp. 794 – 796.

  • J. Costantine, Y. Tawk, C. G. Christodoulou, S. E. Barbin, J. Banik, and S. A. Lane, “Merging Reconfigurable and Deployable Antennas for Space Applications”, IMOC 2011 , Natal, Brazil, Oct. 29 - 01, 2011, pp. 905-909.

  • C.G. Christodoulou and E. Schamiloglu, “A Fan-Beam Radiator and Other Concepts for Compact High Power Microwave Antennas”, Annual Directed Energy Symposium, Nov. 2011.

  • P. Kumar, C. E. Baum, C. G. Christodoulou, C. T. Abdallah, E. Schamiloglu, D. Brown, and K. F. McDonald, “A Novel Approach to High Power THz Generation”, General URSI 2011 Meeting, Istanbul, urkey, 2011

  • L.Abalde-Lima, V. Santalla del Río, and C.G. Christodoulou, “Statistical coherent scattering model for vegetated areas”, IEEE Antennas and Propagation in Wireless Communications, Torino, Italy, 2011, pp. 367-370.

  • M. Al-Husseini, A. Ramadan, M.E. Zamudio, C.G. Christodoulou, A. El-Hajj, K.Y. Kabalan, “A UWB Antenna Combined with A Reconfigurable Bandpass filter for Cognitive Radio Applications”, IEEE nas and Propagation in Wireless Communications, Torino, Italy, Sept. 2011, pp. 902-904.

  • M. E. Zamudio, Y. Tawk, J. Costantine, S. E. Barbin, and C. G. Christodoulou, “Reconfigurable Filter Embedded into an Antenna for a Cognitive Radio Environment”, IEEE Antennas and Propagation in ess Communications, Torino, Italy, Sept. 2011, pp. 714-717.

  • J. Costantine, E. Zuraiqi, Y. Tawk, S. E. Barbin, and C. G. Christodoulou, “Applying Graph Models and Neural Networks on Reconfigurable Antennas for Cognitive Radio Applications”, IEEE Antennas and gation in Wireless Communications, Torino, Italy, Sept. 2011, pp. 909-912, pp. 909-912.

  • P. Kumar, C. G. Christodoulou, E. Schamiloglu and C. J. Buchenauer, “Carl E. Baum: The University of New Mexico Years”, IEEE International Symposium on Antennas and Propagation, Spokane, ngton, July 2011, pp. 591-594.

  • J. E. Lawrance, C. E. Baum, C. G. Christodoulou, “The Fundamental Resonant Frequency of Wide Angle Conical Antennas”, IEEE International Symposium on Antennas and Propagation, Spokane, Washington, 2011, pp. 595-598.

  • M. Al-Husseini, A. Ramadan, Y. Tawk, C. G. Christodoulou, A. El-Hajj, and K. Y. Kabalan, “Design Based on Complementary Split-Ring Resonators of an Antenna with Controllable Band Notches for UWB tive Radio Applications”, IEEE International Symposium on Antennas and Propagation, Spokane, Washington, July 2011, pp. 1120-1122.

  • J. Costantine, M. Rivera, Y. Tawk, and C. G. Christodoulou, “Correlating the Complexity and Reliability of Reconfigurable Antenna Arrays using Frequency Dependent Graphs”, IEEE International sium on Antennas and Propagation, Spokane, Washington, July 2011, pp. 980-983.

  • M. Rivera, J. Costantine, Y. Tawk, and C. G. Christodoulou, “Failure Detection and Correction in Switch Frequency Reconfigurable Antenna Arrays”, IEEE International Symposium on Antennas and gation, Spokane, Washington, July 2011.

  • Y. Tawk, S. Hemmady, G. Balakrishnan, and C. G. Christodoulou, “Measuring the Transition Switching Speed of a Semiconductor Based Photoconductive Switch”, IEEE International Symposium on Antennas ropagation, Spokane, Washington, July 2011, pp. 972-975.

  • Y. Tawk, S. Hemmady, G. Balakrishnan, J. Costantine, and C. G. Christodoulou, “A Cognitive Radio Antenna Design based on Optically Pumped Reconfigurable Antenna System (OPRAS)”, IEEE International sium on Antennas and Propagation, Spokane, Washington, July 2011, pp. 1116 -1119.

  • A. Ramadan, M. Al-Husseini, K.Y. Kabalan, A. El-Hajj, and C. G. Christodoulou, “A Polarization Reconfigurable Slot Antenna”, 5th European Conference on Antennas and Propagation, Rome, Italy, Apr. pp. 402-404.

  • M. Husseini, Y. Tawk, A. Ramadan, C. G. Christodoulou, K. Y. Kabalan, and A. El-Hajj, “A Planar Ultra Wideband Antenna with Multiple Controllable Band Notches for UWB Cognitive Radio pplications,” European Conference on Antennas and Propagation, Rome, Italy, Apr. 2011, pp. 375-377.

  • J. Costantine, M. Rivera, Y. Tawk, and C. G. Christodoulou, “Overcoming Failures in Reconfigurable Antenna Arrays using Equivalent Frequency Dependent Graphs,” 5th European Conference on Antennas ropagation, Rome, Italy, Apr. 2011, pp. 2152 – 2155.

  • M. E. Zamudio, Y. Tawk, J. Kim, and C. G. Christodoulou, “Integrated Cognitive Radio Antenna using Reconfigurable Band Pass Filter,” 5th European Conference on Antennas and Propagation, Rome, taly, 2011, pp. 2108 – 2112.

  • Y. Tawk, J. Costantine, S. E. Barbin, and C. G. Christodoulou, “Front-End Optically Reconfigurable Antenna System,” 5th European Conference on Antennas and Propagation, Apr. 2011, pp. 3493 – 3496.

  • M. Al-Husseini, Y. Tawk, C. G. Christodoulou, K. Y. Kabalan, and A. El-Hajj, “Design of an Antenna with Reconfigurable Band Rejection for UWB Cognitive Radio”, PIERS 2011, March 2011.

  • Y. Tawk, J. Costantine, and C. G. Christodoulou, “A Rotatable Reconfigurable Antenna for Cognitive Radio Applications”, IEEE Radio and Wireless Symposium, 2011, pp. 158 - 161

  • J-H. Kim, C-Y. Lin, Yan. Li, N. Naderi, C. G. Christodoulou, and L. F. Lester, “Beam Steering of a Linearly Tapered Slot Antenna Array Integrated with Quantum Dot Mode Locked Lasers”, the 23rd l Meeting of the IEEE Photonics Society, Denver, Colorado, Nov. 2010, pp. 132 – 133.

  • M. Al-Husseini_, J. Costantine, C. G. Christodoulou, S. E. Barbin, A. El-Hajj, K. Y. Kabalan, “A Reconfigurable Frequency-notched UWB Antenna with Split-ring Resonators”, APMC2010, Yokohama, Japan, 2010, pp. 618 – 621.

  • M. Al-Husseini, Ali Ramadan, K.Y. Kabalan, Ali El-Hajj, Y.Tawk, J. Costantine, and C. G. Christodoulou, “Ultrawideband antennas with switchable band notch using complementary split-ring esonators”, 2010, Caen, France, pp 560-563.

  • M. Al-Husseini, Ali El-Hajj, Y. Tawk, K. Y. Kabalan, and C, G. Christodoulou, “A simple dual-port antenna system for cognitive radio applications”, HPCS 2010, Caen, France, pp. 549-552.

  • Y. Tawk, M. Al-Husseini, S. Hemmady, A. R. Albrecht, G. Balakrishnan, C. G. Christodoulou, “Implementation of a Cognitive Radio Front-End Using Optically Reconfigurable Antennas”, Intern. Conf. on romagnetics in Advanced Applications (ICEAA), Sydney, Australia, September 2010, pp. 294-297.

  • P. Kumar, S. Altunc, Carl E. Baum, C. G. Christodoulou and E. Schamiloglu, “Launching a Fast (100 ps) High-Voltage (> 100 kV) Pulse into a Biological Target”, Intern. Conf. on Electromagnetics in ced Applications (ICEAA), Sydney, Australia, September 2010, pp. 8-11.

  • P. Kumar, S. Altunc, C. E. Baum, C. G. Christodoulou and E. Schamiloglu, “Graded Dielectric Lens to Match 100 ps Pulses into Biological Targets”, URSI /EMTS, Berlin, Germany, August 2010, pp.

  • M. Al-Husseini, Y. Tawk, C.G. Christodoulou, K. Y. Kabalan, A. El Hajj, “A reconfigurable Cognitive Radio Antenna Design”, IEEE AP URSI Symposium, Toronto, Canada, July 2010.

  • P. Kumar, S. Altunc, C. E. Baum, C. G. Christodoulou and E. Schamiloglu, “Design Considerations for a Switch and Lens System for Launching 100 ps, 100 kV Pulses”, AMEREM Symposium, Ottawa, a, July 2010.

  • S. Altunc, C. E. Baum, K. F. McDonald, P. Kumar, E. Schamiloglu and C. G. Christodoulou, “ Photon Initiated Thyristor Switches,” IEEE Intern. Conf. on Plasma Science 2010, pp. 1.

  • V. Santalla del Rio, D. Franco-Vazquez1, L. Abalde-Lima, F. Perez-Gonzalez, C.G. Christodoulou, "Statistical Modeling of Vegetation Structures for Scattering Models”, IEEE AP URSI Symposium, to, Canada, July 2010, pp. 1-4.

  • M. Joler and C. G. Christodoulou, “Embedding an Array Self-Recovery Algorithm into an FPGA Controller”, IEEE AP URSI Symposium, Toronto, Canada, July 2010, pp. 1-4.

  • E. Al Zuraiqi, M. Joler and C. G. Christodoulou, “Neural Networks FPGA Controller for Reconfigurable Antennas”, IEEE AP URSI Symposium, Toronto, Canada, July 2010, pp. 1-4.

  • Y. Tawk, J. Costantine, and C. G. Christodoulou, “A Frequency Reconfigurable Rotatable Microstrip Antenna Design”, IEEE AP URSI Symposium, Toronto, Canada, July 2010, pp. 1-4

  • P. Kumar, S. Altunc, Carl E. Baum, C. G. Christodoulou, and E. Schamiloglu, “Experimental Results for a Graded Dielectric Focusing Lens”, IEEE AP URSI Symposium, Toronto, Canada, July 2010, 00. J.H. Kim and C.G. Christodoulou, “A simple reconfigurable microstrip antenna for wideband applications”, IEEE AP URSI Symposium, Toronto, Canada, July 2010, pp. 1-4.

  • J. Costantine, M. Al-Husseini, A. Ramadan, C. G. Christodoulou, K. Y. Kabalan, A. El Hajj, “Complexity Reduction of a Reconfigurable U-Koch Microstrip Antenna Using Graph Models”, IEEE AP URSI sium, Toronto, Canada, July 2010, pp. 1-4.

  • S. Shelley, J. Costantine, C. G. Christodoulou, D. E. Anagnostou and J. C. Lyke, “Controlling Switch-Reconfigured Antennas Using FPGAs”, IEEE AP URSI Symposium, Toronto, Canada, July 2010, pp. -4.

  • Y. Tawk, A. R. Albrecht, S. Hemmady, G. Balakrishnan, and C. G. Christodoulou, “Optically Pumped Reconfigurable Antenna Systems (OPRAS)”, IEEE AP URSI Symposium, Toronto, Canada, July 2010, pp. 1-4.

  • P. Kumar, S. Altunc, C. E. Baum, C. G. Christodoulou and E. Schamiloglu, “Investigation of Switch Designs for a Prolate-Spheroidal Impulse Radiating Antenna”, ICOPS Symposium, Norfolk, irginia, June 2010, pp. 1.

  • P. Kumar, S. Altunc, C. E. Baum, C. G. Christodoulou, E. Schamiloglu and C. J. Buchnauer, “A Prolate-Spheroidal Impulse-Radiating Antenna and Lens System to Focus 100 ps Pulses into Biological ts”, International Bioelectrics Symposium in Norfolk, Virginia, USA (Invited), June 2010.

  • P. Kumar, S. Altunc, C. E. Baum, C. G. Christodoulou and E. Schamiloglu, “Switch System Design for a Prolate-Spheroidal Impulse-Radiating Antenna to Launch 100 ps Pulses”, International ectrics Symposium in Norfolk, Virginia, USA (Invited), June 2010.

  • J. Costantine, Y. Tawk, C. G. Christodoulou, C. T. Abdallah, “Reducing complexity and improving the reliability of frequency reconfigurable antennas”, EUCAP 2010, Barcelona, Spain, April 2010, pp. L. F. Lester, C.-Y. Lin,Y. Li, J. H. Kim, and C. G. Christodoulou, “Reconfigurable, Multi-Section Quantum Dot Mode-Locked Lasers”, CLEO/QELS 2010, May 2010, pp. 1-2.

  • D. Draskovic, D. Budimir, and C. Christodoulou, “Optically Reconfigurable RF Circuits”, EUCAP 2010, Barcelona, Spain, April 2010.

  • J. Costantine, C.G. Christodoulou, A. Grau, F. De Flaviis, “Investigating Redundancies in Reconfigurable Antennas Designed for MIMO Systems”, 2010 International Workshop, Small Antennas, Innovative tures and Materials, Lisbon, Portugal, 2010, pp. 1-4.

  • P. Kumar, S. Altunc, C. E. Baum, C. J. Buchenauer, C. G. Christodoulou, and Edl Schamiloglu, “ A Prolate-spheroidal impulse radiating antenna system to launch and focus 100-ps pulses for melanoma ment”, International conference on Ulrawidbenad and Ultrashort Signals, 2010, pp. 138 – 140.

  • M. Ershad Shaik, C. E. Baum, C. G. Christodoulou, and E. Schamiloglu, “Integrated Switched Oscillator and Zig-Zag Antenna with Photoconductive Semiconductor Switch as a Terahertz (THz) Pulse ator”, USNC–URSI, Boulder, Colorado, 2010.

  • P. Kumar, S. Altunc, C. E. Baum, C. G. Christodoulou, and E. Schamiloglu, “Design of a Switch system and Launching Lens for a Prolate Spheroidal Impulse radiating Antenna”, USNC–URSI, Boulder, ado, 2010.

  • S. Altunc, P. Kumar, C. E. Baum, C. G. Christodoulou, and E. Schamiloglu, “Log-Periodic Focusing Lens for Melanoma Treatment”, USNC–URSI, Boulder, Colorado, 2010.

  • J. Costantine, S. Barbin, and C. G. Christodoulou, “Analyzing Capacitor-Based Reconfigurable Antennas Using Graph Models ”, SBMO/IEEE MTT-S Conference, in Belem, Brazil, Nov. 2009, pp. 807-810

  • M. Martínez-Ramón, T. Atwood, S. Barbin, and C. G. Christodoulou, “Signal classification with an SVM-FFT approach for feature extraction in cognitive radio”, SBMO/IEEE MTT-S Conference, in , Brazil, Nov. 2009, pp. 286-289

  • C. G. Christodoulou, “Reconfigurable Antennas in Cognitive Radio that can Think for Themselves?”, Third IEEE International Symposium on Microwave, Antenna, Propagation and EMC Technologies (MAPE) ireless Communications, Beijing, China, October 2009 (Keynote speaker)

  • M. Joler and C. G. Christodoulou, “On the Development of a Self-Recoverable Antenna System”, IEEE AP URSI Symposium, Charleston, South Carolina, June 2009, pp. 1-4.

  • T. D. Atwood, M. Martinez-Ramon, C. G. Christodoulou, “Parametric Spectral Occupancy Estimation Using Signal Autocorrelation Functions”, IEEE AP URSI Symposium, Charleston, South Carolina, June pp. 1-4.

  • T. D. Atwood, M. Martinez-Ramon, C. G. Christodoulou, “Robust Support Vector Machine Spectrum Estimation in Cognitive Radio”, IEEE AP URSI Symposium, Charleston, South Carolina, June 2009, pp. 1-4.

  • N. R. Devarapalli, C. G. Christodoulou, C. E. Baum, E. Schamiloglu, “Rectangular waveguide edge wall aperture array for high power”, IEEE AP URSI Symposium, Charleston, South Carolina, June 2009, -4.

  • Serhat Altunc, Carl E. Baum, C. G. Christodoulou, Edl Schamiloglu, C. J. Buchenauer , “Electromagnetic Lens for Cancer Treatment”, IEEE AP URSI Symposium, Charleston, South Carolina, June 2009, p.

  • J.H. Kim, C. G. Christodoulou, Z. Ku, C.-Y. Lin, N. A. Naderi, L. F. Lester , and J. P. Kim, “A Bowtie Slot Antenna coupled to a Quantum-Dot Mode Locked Laser”, IEEE AP URSI Symposium, Charleston, Carolina, June 2009, pp. 1-4.

  • Y. Tawk and C. G. Christodoulou, “A Cellular Automata Reconfigurable Microstrip Antenna Design”, IEEE AP URSI Symposium, Charleston, South Carolina, June 2009, pp. 1-4.

  • J. Costantine, C. G. Christodoulou, “Analyzing Reconfigurable Antenna Structure Redundancy Using Graphs”, IEEE AP URSI Symposium, Charleston, South Carolina, June 2009, pp. 1-4.

  • C.-Y. Lin, N. A. Naderi, F. Chiragh, J. H. Kim, C. G. Christodoulou and L. F. Lester, “ 31% DC to RF Differential Efficiency Using Monolithic Quantum Dot Passively Mode-Locked Lasers”, CLEO, more, Maryland , May-June 2009,.

  • C. G. Christodoulou, “Reconfigurable multifunctional Antennas”, EUCAP, Berlin, March 2009 (Distinguished Lecture talk).

  • J. H. Kim, C. G. Christodoulou, Z. Ku, C.-Y. Lin, Y.-C. Xin, N. A. Naderi, L. F. Lester, J. P. Kim, “Quantum-dot mode locked laser integrated bowtie antenna”, EUCAP, Berlin, March 2009, pp 2802.

  • Y. Tawk, J. Costantine, S. E. Barbin, and C. G. Christodoulou, “A Multi-band Microstrip Antenna Design Using Cellular Automata and Fuzzy ARTMAP Neural Network”, EUCAP, Berlin, March 2009, pp. 3514.

  • Damien Ressiguier, J. Costantine, Y. Tawk, and C. G. Christodoulou, “A Reconfigurable Multi-Band Microstrip Antenna based on open ended microstrip lines”, EUCAP, Berlin, March 2009, pp. 792-795, 95.

  • J. Costantine, Y. Tawk, C.G. Christodoulou, S. E. Barbin, “A Star Shaped Reconfigurable Patch Antenna”, IEEE MTTS International Microwave Workshop Series on Signal Integrity and High Speed connects, Guadalajara, Mexico, Feb. 19-20, 2009, pp. 97-100

  • Naga R. Devarapalli, Christos G. Christodoulou, Carl E. Baum, Edl Schamiloglu, “Waveguide Narrow Wall Longitudinal Slot Array for High Power”, URSI , Boulder, Co., January 2009.

  • S. Altunc, C.E. Baum, C.G. Christodoulou, and E.Schamiloglu, “Analytical Calculations of an Electromagnetic Lens to Obtain a Spherical TEM Wave”, URSI , Boulder, Co., January 2009.

  • S. Altunc, C. E. Baum, C. G. Christodoulou, E. Schamiloglu, and C. J. Buchenauer, “Experimental Lens Design Parameters for Electromagnetic Implosion”, URSI , Boulder, Co, January 2009.

  • I. El-Kady, B. Yin, G.A. Ten Eyck, T.S. Luk, E. Shaner, and C. G. Christodoulou, “Sample Uniform Reproducible SERS: A New Paradigm. Photonic Crystal Antenna Assisted SERS (PHAASERS)”, 2008 national Symposium for Spectral Sensing Research, June 22-23, 2008

  • J. Costantine, C. G. Christodoulou, and S. E. Barbin, “A Graph Interpretation of Reconfigurable Antennas”, 2008 NSA/ESA Conference on Adaptive Hardware and Systems, Noordwijk, The Netherlands, June 2008, pp. 133-140 (invited paper)

  • T. Panigrahi, A. Patnaik, S. N. Sinha, C. G. Christodoulou, “Amplitude Only Compensation for Failed Antenna Array Using Particle Swarm Optimization”, IEEE AP Symp. in San Diego, CA, July 2008, pp. 206) M. F. Su, I. F. El-Kady, M. M. Reda Taha, K. H. A. Bogart,,C. G. Christodoulou,“Investigation of Dispersion Effects in Proximity Field Nanopatterning Lithography Using the Finite Difference Time n Method”, URSI , Chicago, Illinois 2008

  • G. A. Mavridis, D. E. Anagnostou, C. G. Christodoulou, and M. T. Chryssomallis, “Quality Factor Q of a Miniaturized Meander Microstrip Patch Antenna”, IEEE AP Symposium in San Diego, CA, July pp. 1-4.

  • Nan Xu, C.G. Christodoulou, Tom Atwood, and Tayfun Ozdemir, “Practical Application of Support Vector Machines for Automatic Target Recognition”, URSI Symposium in San Diego, CA, July 2008 .

  • N. Devarapalli, Dr. C. Christodoulou, Dr. C. Baum, Dr. E. Schamiloglu, “Rectangular waveguide narrow wall slot array”, URSI Symposium in San Diego, CA, July 2008

  • J. Costantine and C. G. Christodoulou, “A New Reconfigurable Antenna based on a Rotating Feed”, IEEE AP Symposium in San Diego, CA, July 2008, pp. 1-4.

  • S. Sudarth, C. G. Christodoulou, M. S. Pattichis, and H. E. Pollard, “Educational Activities for the FPGA Mission Assurance Center”, ASEE conference, Albuquerque, NM, 2008.

  • M. A. Alayesh, C. G. Christodoulou, M. Joler, and S. E. Barbin, “Reconfigurable Multi-band Stacked Microstrip Antenna for Wireless Applications”, Loughborough Antennas and Propagation Conference, arch 2008, pp. 329 – 332.

  • J. H. Kim, C. G. Christodoulou, Z. Ku, Y.-C. Xin, N. A. Naderi, L. F. Lester, “Quantum-Dot Laser Coupled Bowtie Antenna”, IEEE AP Symposium in San Diego, CA, July 2008, pp. 1-4.

  • Serhat Altunc, C. E. Baum, C. G. Christodoulou, and E. Schamiloglu, “Numerical Simulation of a Lens for Launching a Spherical TEM Wave”, USRI 2008 Symposium, San Diego, CA, July 2008. pp. 1-4.

  • Serhat Altunc, C. E. Baum, C. G. Christodoulou, and E. Schamiloglu, “Analytical Calculations of a Lens for Better Focusing the Fields from a Prolate-Spheroidal Reflector”, IEEE AP Symposium in San , CA, July 2008, pp. 1-4.

  • Serhat Altunc, C. E. Baum, C. G. Christodoulou, and E. Schamiloglu, “Experimental Focal Waveforms of a Prolate-Spheroidal Impulse-Radiating Antenna (IRA)”, EUROEM 2008.

  • Serhat Altunc, C. E. Baum, C. G. Christodoulou, and E. Schamiloglu, “Spatially Limited Exponential Lens Design for Better Focusing an Impulse”, URSI 2008, Chicago, Illinois

  • Serhat Altunc, Jerald Buchenauer, Carl E. Baum, Christos G. Christodoulou, and Edl Schamiloglu, "Experimental Setups and Comparison of the Experimental, Analytical and Numerical Results for the Waveform of Two and Four-Feed Arms Prolate-Spheroidal Antenna (IRA)", National Radio Science Meeting., URSI , January 2008, Boulder, Colorado

  • J. B. Lai and C. G. Christodoulou, “A Fully On-Chip, Single-Ended S-band Image Reject Mixer for High Dynamic Range Applications”, IEEE Compound Semiconductor Integrated Circuit Symposium - SIC2007, land, Oregon, Oct. 2007, pp. 1-4

  • J. Costantine, C. G. Christodoulou, S. E. Barbin, “A New Reconfigurable Multi Band Patch Antenna”, 2007 SBMO/IEEE MTT-S International Microwave & Optoelectronics Conference (IMOC 2007), Salvador, l, Oct. 2007, pp. 75-78

  • S. E. Barbin, M. B. F. Silva, and C. G. Christodoulou, “A CPW MEMS Switch with enhanced bandwidth”, Microwave Conference, Asia-Pacific 200, pp. 1-4.

  • C. G. Christodoulou, J. H. Kim, J. Constantine, and S. E. Barbin, “Reconfigurable RF and Antenna Systems”, 2007 SBMO/IEEE MTT-S International Microwave & Optoelectronics Conference (IMOC 2007), dor, Brazil, Oct. 2007, pp. 17-20. (plenary talk)

  • Costantine, K.Y. Kabalan, A. El Hajj, C. G. Christodoulou, “New Multi-Wide-Band Design for a Microstrip Patch Antenna”, the 2nd European Conference on Antennas and Propagation (EuCAP 2007), urg, UK, November 2007.

  • M. Martínez-Ramón, A. Navia-Vázquez, C. G. Christodoulou, A. R. Figueiras-Vidal, “Adaptive Array Processing with Kernels”, the 2nd European Conference on Antennas and Propagation (EuCAP2007), urg, UK, November 2007

  • P. Kirawanich, Christos Christodoulou, Justin Wilson, S. Yakura, and N. Islam, Electromagnetic Topology: a Modular Junction Approach for a System Level Interaction Problem”, IEEE Inter, Symposium ectromagnetic compatibility (EMC) 2007, Honolulu, Hawaii, July 2007, pp. 1-7.

  • M. F. Su, I.F. El-Kady, C. G. Christodoulou, M.M. R. Taha, and G. R. Bogart, “An Integrated Simulation for Proximity Field Nanopatterning Lithography Modeling Using Finite Difference Time Domain d”, URSI 2007, Ottawa, July 2007

  • S. Serhat, C.E. Baum, C. G. Christodoulou, E. Schamiloglu, “Numerical Focal Waveforms of a Prolate-Spheroidal IRA”, URSI –CNC/USNC 2007, Ottawa, July 2007, pp. 1401-1404.

  • S. Altunc, C. E. Baum, E. Schamiloglu, and C.G. Christodoulou, “Lens Design for a Prolate-Spheroidal IRA”, Intern. Conf. on Electromagnetics in Advanced Applications, Torino, Italy, Sept. 2007, 748-751.

  • M. F. Su, I. F. El-Kady, C. G. Christodoulou, M. R. Taha, and G. R. Bogart, “An Integrated Simulation for Proximity Field Nanopatterning Lithography Modeling Using Finite Difference Time Domain d”, URSI 2007, Ottawa Canada, July 2007.

  • C. G. Christodoulou, D. A. Anagnostou, and L. M. Feldner, “Re-configurable Antennas”, 2007 International Workshop & Expo on Anti-counterfeiting, Security, Identification, Xiamen, China, April 2007 (te speaker), pp. 9-12.

  • M. R. Lambrecht, C. Baum, J. Gaudet, C. G. Christodoulou, and E. Schamiloglu, “Study of Statistical Electromagnetics and Modeling of Surrogate IED Blasting Caps”, 2007 IEEE International onference lasma Science, June 17, pp. 743 -743.

  • M. F. Su, I. F. El-Kady, E.A. Shaner, and C.G. Christodoulou, “Selective Enhancement of MidIR Quantum Dot Electroluminescent Emissions Using Defect Mode Photonic Crystal Cavities”, IEEE AP ymposium onolulu, Hawaii, June 2007, pp. 2241-2244.

  • J. H. Kim, N. Das, C.G. Christodoulou, “Multilayer Printed Circuit with a Uniaxial Conducting Layer”, IEEE AP Symposium in Honolulu, Hawaii, June 2007, pp. 509-512.

  • Nan Xu, C.G. Christodoulou, S. E. Barbin, and M. Martínez-Ramón, “Detecting Failure of Antenna Array Elements Using Machine Learning Optimization”, IEEE AP Symposium in Honolulu, Hawaii, June 2007, 753-5756.

  • Manel Martınez-Ramon, Nan Xu, and C. G. Christodoulou, “Support Vector Minimum Variance Distortionless Response DOA Detector”, IEEE AP Symposium in Honolulu, Hawaii, June 2007, pp. 5291-5294.

  • G. A. Mavridis, C.G. Christodoulou, and M. T. Chryssomallis, “Area Miniaturization of a Microstrip Patch Antenna and the Effect on the Quality Factor Q”, IEEE AP Symposium in Honolulu, Hawaii, une , pp. 5435-5438.

  • S. Altunc, C. E. Baum, C. G. Christodoulou, E. Schamiloglu, “Analytical and Numerical Calculation for the Focal Waveform of a Prolate -Spheroidal IRA”, IEEE AP Symposium in Honolulu, Hawaii, June pp. 1401-1404.

  • M. F. Su, I. El-Kady, M. M. Taha, C. G. Christodoulou, G. Bogart, S. Jeon, D. Shir, and J. A. Rogers, “Proximity Field Nanopatterning Lithography for Large Area 3D Photonic Nano-Structures: Forward nverse Problem Modeling”, Photonic and Electromagnetic Crystal Structures VII (PECS), Monterey, CA April 2007.

  • Ramiro Jordan, Wilfrido Moreno, Alfredo Roldan, Christos Christodoulou, Sul Kassicieh, “Incorporating Economics, Entrepreneurship and Sustainability in Engineering for the Americas”, Proceedings of th Annual ASEE Global Colloquium on Engineering Education, (ASSE2006), October 9-12, 2006.

  • C.G. Christodoulou, C. T. Abdallah, J. Khoury , P. K. L. Yu , and M. Franceschetti, “ Introducing Agility in Hybrid Communication Systems and Sensors”, IMS 2006 - IEEE International Workshop on rement Systems for Homeland Security, Contraband Detection and Personal Safety, Alexandria, VA, Oct. 2006, pp. 20-24. (invited paper)

  • G. L. Heileman1, C. T. Abdallah, W. Shu, C. G. Christodoulou, and D. Knotts, “Creating On-line Graduate Engineering Degrees at the University of New Mexico”, Spain, October. 2006.

  • C. G. Christodoulou, L. Feldner, V.Zachou, and D. Anagnostou, “Planar Reconfigurable Antennas”, the first European Conference on Antennas and Propagation (EuCAP 2006), 6 -10 November 2006, Nice, e (Planery speaker).

  • N. Petrella, M. Antonini, M. Ruggieri, M. M. Khodier, S. E. Barbin and C. G. Christodoulou, “Planar Array Synthesis with Minimum Sidelobe Level and Null Control Using Particle Swarm Optimization”, 16th International Conference on Microwaves, Radar and Wireless Communications MIKON–2006, Kraków – Poland , May 2006, pp. 1087-1090.

  • G. A. Mavridis, C. G. Christodoulou, J. N. Sahalos, and M. T. Chryssomallis, “Performance Evaluation of MUSIC in Estimation of Direction of Arrival of Signals”, IEEE AP/URSI Symposium in Albuquerque, NM, July 2006, pp. 4713-4716.

  • D. E. Anagnostou, C. G. Christodoulou, J. Papapolymerou, and M. Tentzeris, “A Small Planar Log-Periodic Koch-Dipole Antenna (LPKDA)”, IEEE AP/URSI Symposium in Albuquerque, NM, July 2006, pp. 3685-3688.

  • M. Martinez-Ramon and C. Christodoulou,“Support Vector Array Processing”, IEEE AP/URSI Symposium in Albuquerque, NM, July 2006, pp. 3311-3313.

  • A. Patnaik and C.G. Christodoulou, “Finding Failed Element Positions in Linear Antenna Arrays Using Neural Networks”, IEEE AP/URSI Symposium in Albuquerque, NM, July 2006, pp. 1675-1678.

  • A. Carton, C. G. Christodoulou, C. Dyck, C. Nordquist, “Investigating Reliability Issues in RF MEMS”, IEEE AP/URSI Symposium in Albuquerque, NM, July 2006, pp. 193-196.

  • G. A. Mavridis, C. G. Christodoulou, J. N. Sahalos, and M. T. Chryssomallis, “A Planar Two-Branch Diversity Antenna for Wireless Applications”, IEEE AP/URSI Symposium in Albuquerque, NM, July 2006, pp. 2541-2544.

  • M. Armanious, C. G. Christodoulou, and I. El-Kady, “Solving 3D Photonic band structures by a real-space transfer matrix method”, IEEE AP/URSI Symposium in Albuquerque, NM, July 2006, pp. 761-764.

  • L. M. Feldner, C. T. Rodenbeck, and C. G. Christodoulou, “Tunable Electrically Small UHF PIFA-as-a-package”, IEEE AP/URSI Symposium in Albuquerque, NM, July 2006, pp. 185-188.

  • M. B. Higgins, H. G. Hudson, and C. G. Christodoulou, “Copper Tape Shielding Effectiveness on Slot Apertures of High Q Cavities above 1 GHz”, IEEE AP/URSI Symposium in Albuquerque, NM, July 2006, pp. 61-64.

  • N. Xu, C. G. Christodoulou, Manel Martinez-Ramon, and T. Ozdemir, “Antenna Array Processing for Radar Applications Using Support Vector Machines”, IEEE AP/URSI Symposium in Albuquerque, NM, July 2006, pp. 1295-1298.

  • V. Zachou, C. G. Christodoulou, M. T. Chryssomallis, and D. Anangostou, “Reconfigurable Printed Cactus Antenna”, IEEE AP/URSI Symposium in Albuquerque, NM, July 2006, pp. 201-204.

  • C. G. Christodoulou, D. Anagnostou, and V. Zachou, “Reconfigurable Multifunctional Antennas, “IEEE International Workshop on Antenna Technology: Small Antennas and Novel Metamaterials, White Plains, NY, March 6-8, 2006, pp. 176-179. (Lead Invited talk)

  • A. Patnaik and C.G. Christodoulou,“Neurocomputational Analysis of Frequency Reconfigurable Antennas”, URSI General Assembly 2005, New Delhi, India, Oct. 2005.

  • E. Schamiloglu, C. Christodoulou, S. Tyo , J. Gaudet, S. Altunc, P. Cravens, C. Lambrinos, R.P. Jedlicka, B. Blevins, D.V. Giri, F.M. Tesche, “Measurements of EM Field Levels and EM Coupling in a Complicated Networked Environment”, URSI General Assembly 2005, New Delhi, India, Oct. 2005.

  • P. K. L. Yu, T.S. Liao, G. Tzeremes, and C. Christodoulou, “High power photodiode for antenna applications”, Microelectronics and Electron Devices, 2005 (WMED) 05., April 15, 2005, pp. 4 – 7

  • P. K. L. Yu, T.S. Liao, G. Tzeremes, and C. Christodoulou,“Optoelectronic devices for wireless broadband communications”, Microelectronics and Electron Devices, 2005 (WMED) 05., April 15, 2005, pp. 3-3.

  • D. E. Anagnostou, G. Zheng, S.E. Barbin, M. T. Chryssomallis, J. Papapolymerou, and C. G. Christodoulou, “An X-band Reconfigurable Planar Dipole Antenna”, IEEE IMOC Conference, Brasilia, Brazil, July 2005, pp. 654 – 656.

  • C. G. Christodoulou, G. Tzeremes, Paul K. L. Yu , T. S. Liao, and Silvio E. Barbin, “Integration of RF/Photonics for Wireless Communication Systems”, IEEE IMOC Conference, Brasilia, Brazil, July 2005

  • E. Schamiloglu, C. Christodoulou, S. Tyo, J. Gaudet, C.J. Buchenauer, S. Altunc, P. Cravens, C. Lambrinos, R. P. Jedlicka, B. Blevins, D.V. Giri, F.M. Tesche, “Modeling the Interaction of High Power Microwaves with Networked Infrastructure”, Intern. Conf. on Electromagnetics in Advanced Applications (ICEAA), Torino, Italy, Sept. 2005.

  • C. G. Christodoulou, G. Tzeremes, T. S. Liao, and P.K. Yu, “Optically Coupled Antennas for Wideband Wireless Communications”, Intern. Conf. on Electromagnetics in Advanced Applications (ICEAA), Torino, Italy, Sept. 2005.

  • M. Armanious, C. G. Christodoulou, and I. F. El-Kady, “Calculating Photonic Band Structures Using the Transfer Matrix Technique”, IEEE AP/URSI Symposium in Washington, DC, July 2005.

  • T. Özdemir, M..J. Miranda , C. G. Christodoulou, “Training of adaptive antennas through simulated data”, IEEE AP/URSI Symposium in Washington, DC, July 2005, pp. 18 – 21.

  • M. Joler, C. G. Christodoulou, E. Schamiloglu, and J. Gaudet, “Mitigation of Breakdown in a Blumlein Line by using a Combination of Dielectric Materials”, IEEE AP/URSI Symposium in Washington, DC, July 2005.

  • M. Joler, C. G. Christodoulou, E. Schamiloglu, and J. Gaudet, “Effects of the Length-to-Width Ratio on the Pulse Form in the Blumlein Line”, IEEE AP/URSI Symposium in Washington, DC, July 2005.

  • A. Patnaik, D. Anagnostou, C. G. Christodoulou, and J. C. Lyke, “A Frequency Reconfigurable Antenna Design Using Neural Networks”, IEEE AP/URSI Symposium in Washington, DC, July 2005, pp. 409 – 412.

  • G. A. Mavridis, E. Karapistoli, C. G. Christodoulou, and M.T. Chryssomallis, “Spatial Diversity Performance of Printed Dual Band Antennas for WLAN Operations”, IEEE AP/URSI Symposium in Washington, DC, July 2005, pp. 491-494.

  • D. E. Anagnostou, G. Zheng, M. T. Chryssomallis, J. C. Lyke, J. Papapolymerou, and C. G. Christodoulou, “On the Silicon-etched Re-configurable Self-Similar Antenna with RF-MEMS Switches”, IEEE AP/URSI Symposium in Washington, DC, July 2005, pp. 417-420.

  • L. M. Feldner, C. D. Nordquist , and C. G. Christodoulou, “RF MEMS Reconfigurable Triangular Patch Antenna”, IEEE AP/URSI Symposium in Washington, DC, July 2005, pp. 388-391.

  • M. Joler, C. G. Christodoulou, E. Schamiloglu, and J. Gaudet, “A Graded-conductivity Dielectric for Mitigation of Breakdown in a Pulse-forming Line”, 15th IEEE Pulsed Power Conf., Monterey, CA, June 2005, pp. 1231-1234.

  • M. Joler, C.G. Christodoulou, E. Schamiloglu, and J. Gaudet, “Effects of the Multi-switch Excitation on the Responsiveness of a Blumelein Line”,15th IEEE Pulsed Power Conf., Monterey, CA, June 2005,pp. 680-683.

  • P. K. L. Yu, T. S. Liao, G. Tzeremes, and C. G. Christodoulou, “ High Power Photodiode for Antenna Applications”, IEEE EDS Workshop on Microelectronics and Electron Devices (WMED) , Boise, ID April 2005, pp. 4-7.

  • E. Schamiloglu, C. Christodoulou, S. Tyo, J. Gaudet, R.P. Jedlicka, B. Blevins, D.V. Giri, F.M. Tesche, “ Modeling the Interaction of High Power Microwaves with Networked Infrastructure”, Directed Energy Professional Society, Tampa, Florida, March 2005.

  • A. Patnaik, D. Anagnostou, and C.G. Christodoulou, “Neural Networks in Antennas Engineering- Beyond the Black-Box Modeling”, IEEE/ACES International Conference on Wireless Communications and Applied Computational Electromagnetics, Hawaii, April 2005, pp. 598 – 60.

  • A. Patnaik, D. Anagnostou, and C.G. Christodoulou, “Neuro-computational Analysis of a Frequency Reconfigurable Antennas”, International Conference on Antenna Technologies (ICAT2005), Ahmedabad, India, February 2005.

  • M. Joler, C. G. Christodoulou, J. Gaudet, and E. Schamiloglu, “ Effects of Bending in a Stacked, Parallel-plate Bleumlein Pulse Forming Line”, 31st Intern. Conf. On Plasma Science, Baltimore, MD, June 28-July 1, 2004, p. 453.

  • V. Zachou, G. Mavridis, C. G. Christodoulou and M. T. Chryssomallis, “Transmission Line Model Design Formula for Microstrip Antennas with Slots”, IEEE AP/URSI Symposium in Monterrey, CA, June 2004, pp. 3613 – 3616.

  • George Tzeremes, Tsai S. Liao, Paul K. L. Yu and C. G. Christodoulou, “Integration Issues of a Waveguide Photodetector with a CPW fed three element Slot Antenna”, IEEE AP/URSI Symposium in Monterrey, CA, June 2004, pp. 1455 – 1458.

  • Miroslav Joler, C. G. Christodoulou, Edl Schamiloglu, and John Gaudet, “Effects of a Non-Standard Design of a Dielectric in a Blumlein-configuration Parallel-plate Pulse-forming Line”, IEEE AP/URSI Symposium in Monterrey, CA, June 2004.

  • D. Anagnostou, G. Zheng, L. Feldner, J. C. Lyke, M. T. Chryssomallis, J. Papapolymerou, and C. G. Christodoulou, “Silicon-etched Re-configurable Self-Similar Antenna with RF-MEMS Switches”, IEEE AP/URSI Symposium in Monterrey, CA, June 2004, pp. 1804 – 1807.

  • C. G. Christodoulou, Judd A. Rohwer, and Chaouki T. Abdallah, “ The Use of Machine Learning in Smart Antennas”, IEEE AP/URSI Symposium in Monterrey, CA, June 2004, pp. 321 – 324.

  • K. V. Nikolakopoulos, D. Anagnostou, C. G. Christodoulou and M. T. Chryssomallis, “Estimation of Direction of Arrival for Coherent Signals in Wireless Communication Systems”, IEEE AP/URSI Symposium in Monterrey, CA, June 2004, pp. 419 - 422

  • D. Anagnostou, L. Feldner, J. Lyke, M. Chryssomallis, and C. G. Christodoulou, “Planar Cross-Sierpinski Multiband Array Antenna”, URSI , Boulder. Co., Jan. 2004,

  • J. Rohwer, C.T. Abdallah, and C. G. Christodoulou, "Least Squares Support Vector Machines for Direction of Arrival with Error Control and Validation", GLOBECOM 2003, Vol. 4, Dec. 2003, pp. 2172-2176.

  • J. Rohwer, C.T. Abdallah, and C. G. Christodoulou, "Least Squares Support Vector Machines for Fixed-Step and Fixed-Set CDMA Power Control", Proceedings IEEE CDC 2003, Maui, Hawaii, pp. 284-9553.

  • D. Anagnostou, M. T. Chryssomallis, J. C. Lyke, and C. G. Christodoulou, “ A CPW Koch Dipole Slot Antenna”, IEEE Topical Conference on Wireless Communications Technology, Honolulu, HI, Oct. 2003, pp. 337.

  • D. Anagnostou, M.T. Chryssomallis, J.C. Lyke, and C.G. Christodoulou, “Improved Multiband Performance With Self-Similar Fractal Antennas”, IEEE Topical Conference on Wireless Communications Technology, Honolulu, HI, Oct. 2003, pp. 271-272.

  • D. Anagnostou, C. Christodoulou, and Ramiro Jordan, “MEMS and Reconfigurable Antennas” in Frontiers of NanoEngineering – 2003, Sao Paulo, Brazil, October 2-3., 2003.

  • C.G. Christodoulou, “RF-MEMS and its Applications to Microwave Systems, Antennas and Wireless Communications”, SBMO/IEEE MTT-S Conference, in Foz Do Iguacu, Brazil, September 2003, pp. 525-531

  • D. Capsidis, M. T. Chryssomallis, and C. G. Christodoulou, “An Accurate Circuit Model of a Microstrip Patch Antenna for CAD Applications”, IEEE AP/URSI Symposium in Columbus, OH, June 2003, vol. 3, pp. 120-123.

  • Y. Ye, S. C. Zhang, and F. Dogan, E. Schamiloglu, J. Gaudet, M. Roybal, M.Joler, and C. G. Christodoulou, “ Influence of Nanocrstalline Grain Sze on the Breakdown Strength of Ceramic Dielectrics”, 2003 Pulsed Power Conference, Dallas, June 2003. (abstract).

  • M. Joler, C. G. Christodoulou, E. Schamiloglu, and J. Gaudet, “Modeling of a Compact, Portable Transmission Line for Pulsed-Power Applications”, 2003 Pulsed Power Conference, Dallas, June 2003. (abstract)

  • G. Tzeremes, M. Khodier, T. S. Liao, P. K. L. Yu, and C.G. Christodoulou, “Optically Driven CPW Fed Slot Antennas and Arrays for Wireless Communications”, IEEE AP/URSI Symposium in Columbus, OH, June 2003, pp. 659-662.

  • J. A. Rohwer, C. T. Abdallah, and Christos G. Christodoulou, “Least Squares Support Vector Machines for Direction of Arrival”, IEEE AP/URSI Symp. in Columbus, OH, June 2003, pp. 57-60.

  • D. Anagnostou, M. T. Chryssomallis, J. C. Lyke, and C. G. Christodoulou, “Reconfigurable Sierpinski Gasket Antenna using RF-MEMS Switches”, IEEE AP/URSI Symposium in Columbus, Ohio, June 2003, pp. 357-378.

  • H. N. Jerez, R. Jordan, C. Christodoulou, C. Abdallah, and S. Raghavan, “A Secure Educational Services Wireless Network Implementation Case Study”, ICEE 2002, UK, Aug. 2002.

  • M. Joler, C.G. Christodoulou, S. Bakim, and E. Schamiloglu, "Study of High Energy Storage Blumlein Transmission Lines as High Power Microwave Drivers”, Conference Record, 2002 IEEE International Conference on Plasma Science (Banff, Canada, May 2002), p. 283. (Abstract)

  • M. Joler, C. Christodoulou, J. Gaudet, E. Schamiloglu, K. Schoenbach, R. Joshi, and M. Laroussi, “Study of High Energy Storage Blumlein Transmission Lines as High Power Microwave Drivers,” Proceedings SAE 2002 Power Systems Conference (Coral Springs, FL, October 2002), paper 2002-01-3179 (proceedings unpaginated, available on CD-ROM only).

  • E. Schamiloglu, C.G. Christodoulou, J. Gaudet, and M. Joler, “Progress in the Study of Folded Blumlein Transmission Lines for Compact Pulsed Power Applications,'' The Papers of Joint Technical Meeting on Plasma Science and Technology and Pulsed Power Technology, IEE Japan (Proceedings of the Joint Workshop, Kailua-Kona, Hawaii, August 2002), pp. 75-78

  • Joler, C. Christodoulou, J. Gaudet, and E. Schamiloglu, “Study of High Dielectric Constant Materials for use in Compact Transmission Lines for HPM Drivers”, Proceedings BEAMS 2002 (Albuquerque, NM, 2002), pp. 25-28.

  • M. T. Chryssomallis, K. Nicholopoulos, and C.G. Christodoulou, “Pattern Optimization of Large Array Antennas by Using Only Phase”, IEEE AP/URSI Symposium in San Antonio, TX, June 2002.

  • M.T.Chryssomallis, D. Kacidis, G.A. Kyriacou, and G.C. Christodoulou, “A Comparison of Microstrip Patch Antenna Models in a CAD Circuit Environment”, IEEE AP/URSI Symposium in San Antonio, TX, June 2002.

  • D. Anagnostou, M. Khodier, J. Lyke, and C. G. Christodoulou, “Fractal antennas with RF MEMS switches for multiple frequency Applications”, IEEE AP/URSI Symposium in San Antonio, TX, June 2002, vol. 2, pp. 22-25.

  • M. Khodier , C. G. Christodoulou, G. Tzeremes, T. S. Liao, and P. K. L. Yu , “Integration of an Antenna with a Waveguide Photodetector for High Capacity Wireless Communication Systems”, IEEE AP/URSI Symposium in San Antonio, TX, June 2002.

  • G. Tzeremes and C. G. Christodoulou, “Use of Weibull Distribution for Describing Outdoor Multipath Fading”, IEEE AP/URSI Symposium in San Antonio, TX, June 2002, vol. 1, pp. 232 –235.

  • M. Khodier, G. Tzeremes, C. G. Christodoulou, and P.K. L. Wu, “RF/Photonic Antennas for High Capacity Wireless Communications”, Proceedings of the SPIE, Orlando, FL. 2002, vol. 4740, pp. 132-141.

  • D. Anagnostou, C. G. Christodoulou, and J. Lyke, “Reconfigurable Array Antennas for Wideband Applications”, IEEE Aerospace Conf. , Big Sky, MO., March 2002, vol. 2, pp. 855 –862.

  • D. Anagnostou, C. G. Christodoulou, and J. Lyke, “Smart Reconfigurable Antennas for Satellite Applications”, Colorado Springs, Col., Nov. 2001, pp. 1-4.

  • M. Khodier and C. G. Christodoulou, “Terahertz detection using double quantum well devices", Proceedings of the SPIE, San Diego, July 29-August 3, 2001, vol. 4490, pp. 104-113.

  • M. Khodier and C. G. Christodoulou, “A Bowtie Antenna Coupled Tunable Photon-Assisted Tunneling Double Quantum Well (DQW) THz Detector”, Materials Research Society Symposium, in Boston, MA, Nov. 2001, vol. 692.

  • M. Joler, C. G. Christodoulou, “A model for the efficient remote control of programmable devices and simulations”, ICECom 2001, Dubrovnik, Croatia, October 2001, pp. 220-223

  • Ramiro Jordan, Christos Christodoulou, and Paulo Franco, “Engineering Education: Multidisciplinary and Global”, International Conference on E-education, ICEE 2001, Oslo, Norway, Aug. 2001, pp. 6B2-7 to 6B2-11.

  • , Austin, TX, August 2001.

  • M. Joler, C. G. Christodoulou, “Network of instruments shared over the Internet”, NIWeek

  • M. T. Chryssomallis, G. A. Kyriacou, and C. G. Christodoulou, “Synthesis pf Re-Configurable Array Antennas Operating with Different Radiation Beams”, ComCon 2001, Crete, Greece, June 2001.

  • C. G. Christodoulou, “Innovative Curriculum Enhancement for IT at UNM”, in AIRDS EDUCATION-KNOWLEDGE MANAGEMENT (Curricular Enhancement), Albuquerque, NM, May 2001 (presentation)

  • D. Vreeland, C. G. Christodoulou, and J. Lyke, “Application of Chalcogenide-Based Materials For Use in Programmable Circuitry for a Microstrip Antenna”, IEEE AP/URSI Symposium in Boston, MA, July 2001.

  • M. Joler and C. G. Christodoulou, “Virtual Laboratory Instruments and Simulations Remotely Controlled via the Internet ”, IEEE AP/URSI Symposium in Boston, MA, July 2001, vol. 1, pp. 388 –391.

  • M. Khodier, C. G. Christodoulou, and J. Simmons, “ An Integrated Broadband Bowtie Antenna for THz Detection with a Double Quantum Well ”, IEEE AP/URSI Symposium in Boston, MA, July 2001, vol. 1, pp. 334 –337.

  • C. G. Christodoulou and M. Georgiopoulos, “Smart Adaptive Array Antennas For Wireless Communications”, Proceedings of the SPIE, Orlando, FL. 2001, vol. 4395, pp. 75-83.

  • Schamiloglu and C. G. Christodoulou, “Basic research and Education in High Power Microwave Sources and Effects”, 3rd Annual Directed Energy Symp., Albuquerque, NM, Nov. 2000.

  • M. Khodier and C. G. Christodoulou, “Optically Driven CPW-fed Slot Antenna for Wireless Communications, IEEE APWC2000, Waltham, MA, Nov. 2000, pp. 121-124.

  • C. G. Christodoulou, M. Georgiopoulos and A. EL Zooghby, “Multiple-source angle-of-arrival estimation using neural-network-based smart antennas”, Proceedings of SPIE, Orlando 2000; vol. 4045, pp. 94-99.

  • Gomez-Tagle, J. and C. G. Christodoulou, “Broadband FDTD Simulation of Finite Phased Array Microstrip Antennas”, IEEE AP/URSI Symposium in Salt Lake City, UT, July 2000, pp. 1978-1981.

  • M. Khodier and C. G. Christodoulou, “A Technique to Further Increase the Bandwidth of Stacked Microstrip Antennas”, IEEE AP/URSI Symposium in Salt Lake City, UT, July 2000, pp. 1394-1397.

  • Gomez-Tagle J. and C. G. Christodoulou, “Broadband Characterization of the Active Reflection Coefficient of Finite-Sized Phased array Microstrip Antennas”, IEEE Conf. On Phased Array Systems and Technology, Dana Point, CA, May 2000, pp. 255 – 258.

  • Schamiloglu, E, Hegeler, F, Adballah, C. T., and C. G. Christodoulou, “An Overview of Recent Advances in Intense Beam-Driven Relativistic Backward Wave Oscillators and Their Use in High Power Microwave Effects Studies”, EUROEM2000, May-June 2000, Edinburgh

  • El Zooghby, A.H., H. L. Southall, and C. G. Christodoulou, “Experimental validation of a neural network direction finder", IEEE AP/URSI Symposium in Orlando, FL., July 1999, pp. 1592-1595.

  • C. G. Christodoulou, P.F. Wahid, M.D. Haque and M.C. Bailey, “Design of a Foldable Low-Loss Microstrip Antenna”, IEEE AP/URSI Symposium in Orlando, FL., July 1999, pp. 2732-2735

  • C. G. Christodoulou, A. El Zooghby and M. Georgiopoulos, “Neural network processing for adaptive arrays”, IEEE AP/URSI Symposium in Orlando, Fl, July 1999, pp. 2584-2587

  • M. Chrysomallis and C. G. Christodoulou, “Methods for controlling the input impedance of microstrip patch antennas”, IEEE AP/URSI Symposium in Orlando, FL., July 1999, pp. 2470-2473.

  • El Zooghby A. H., C. G. Christodoulou, and M. Georgiopoulos, “Multiple Mobile User TrackingWith Neural Network-based Adaptive Array Antennas”, Proceedings of the SPIE, Orlando, FL 1999, vol.3708, pp. 88-97, April 99, vol. 3708, pp. 88-97.

  • Dean, R. N, Jr., P.C. Nordine, and C. G. Christodoulou, “Novel method for fabricating 3D helical THz antennas directly on semiconductor substrates”, Proceedings of the SPIE, Jan. 1999, San Jose, CA, vol. 3617, pp. 67-77

  • El Zooghby A. H., C. G. Christodoulou, and M. Georgiopoulos, “Multiple Source Neural network direction finding with arbitrary separations”, IEEE APS International Symposium on Antennas for Wireless Communications, November 98, Massachusetts, pp. 57-60.

  • El Zooghby A. H., C. G. Christodoulou, and M. Georgiopoulos, “Radial Basis Function Neural network algorithm for beamforming in cellular communication systems”, IEEE APS International Symposium on Antennas for Wireless Communications, November 98, Massachusetts, pp. 53-56.

  • A. Sullivan, C. G. Christodoulou, and C. W. Chandler, “Next Generation Digital Beamforming Array Optimized by Neural Network Beamforming Techniques”, International Telemetering Conference, October 1998.

  • Gomez-Tagle J. and C. G. Christodoulou, “Modeling of Broadband finite sized phased array microstrip antennas”, IEEE APS International Symposium on Antennas for Wireless Communications, November 98, Massachusetts, pp. 101-104.

  • El Zooghby A. H., C. G. Christodoulou, and M. Georgiopoulos, “Adaptive interference cancellation with neural networks”, 1998 Virginia Tech Symposium in Wireless Communications, June 98, pp. 281-292.

  • El Zooghby A. H., C. G. Christodoulou, and M. Georgiopoulos,“Adaptive interference cancellation in circular arrays with radial basis function neural networks”, IEEE AP/URSI Symposium, Atlanta, June 1998, pp. 203-206.

  • R. Mahbub, C. G. Christodoulou and M.C. Bailey, “Design of a Low-Loss Series-Fed Microstrip Antenna”, IEEE AP/URSI Symposium, Atlanta, June 1998, pp. 1146-1149

  • G. Turner and C. G. Christodoulou, “Broadband Periodic Boundary Condition for FDTD Analysis of Phased Array Antennas”, IEEE AP/URSI Symposium, Atlanta, June 1998, pp. 1020-1023.

  • Gomez-Tagle J., C. G. Christodoulou, T. Miles, and A. Wall, “Active Impedance Analysis of Finite Phased Array Microstrip Antennas Using FDTD”, IEEE AP/URSI Symposium, Atlanta. June 1998, pp. 2024-2027.

  • Hestand Rue and C. G. Christodoulou, “Optimizing a Coplanar Waveguide-Fed Aperture Coupled Patch Antenna for Ease of Manufacturing and Elimination of Back Radiation Problems “IEEE SouthEastCon ’98, Orlando, FL, April 98, pp. 87-90.

  • Shahed Reza and C. G. Christodoulou, “Beam Shaping with Antenna Arrays Using Neural Networks”, IEEE SouthEastCon ’98, Orlando, FL , April 98, pp. 220-223.

  • Gomez-Tagle J., C. G. Christodoulou, T. Miles, A. Wall and P.F. Wahid, “ Mutual Coupling Analysis in Phased Array Microstrip Antennas Using FDTD”, IEEE SouthEastCon ’98, Orlando, FL , April 98, pp. 80-83.

  • El Zooghby A. H., C. G. Christodoulou, and M. Georgiopoulos, “A Novel Approach to Adaptive Nulling with Neural Networks”, IEEE SouthEastCon ’98, Orlando, FL , April 98, pp. 216-219.

  • Steve Vergenz, C. G. Christodoulou, and L. Jones, “50 MHz Bistatic Radar Profiling”, IEEE SouthEastCon ’98, Orlando, FL, April 98, pp. 318-321.

  • Matthew Telep and C. G. Christodoulou, “Interface Development and Modification of CBS3DS Radar Cross Section Analysis”, IEEE SouthEastCon ’98, Orlando, FL , April 98, pp. 122-125.

  • Gomez-Tagle J., and C. G. Christodoulou, “Active Impedance and Mutual Coupling Analysis of Phased Array Stacked Microstrip Antennas Using the Finite Difference Time Domain Method”, URSI Electromagnetic Theory Symposium, Thessaloniki, Greece, May 1998, pp. 707-709.

  • El Zooghby A. H., C. G. Christodoulou, and M. Georgiopoulos, “Neural Network based Smart Antennas for Mobile Communications”, URSI Electromagnetic Theory Symposium, Thessaloniki, Greece, May 1998, pp. 336-338.

  • El Zooghby A. H., C. G. Christodoulou, and M. Georgiopoulos, “Neural Network Beamforming for Interference Cancellation”, SPIE, Orlando, FL. 1998, vol.3390, pp. 420-9

  • Gomez-Tagle J. and C. G. Christodoulou, “FDTD Analysis of Stacked Concentric Ring Microstrip Antennas'', 1997 IEEE AP/URSI Symposium at Montreal, Canada, July 1997, pp. 103.

  • El Zooghby A. H., C. G. Christodoulou, and M. Georgiopoulos, “Antenna Array Signal Processing with Neural Networks for Direction of Arrival Estimation'', 1997 IEEE AP/URSI Symposium at Montreal, Canada, July 1997, pp. 2274-2277.

  • G. Turner and C. G. Christodoulou, “FDTD Analysis of Circular Stacked Microstrip Array Antennas with Finite Dielectric Substrate using Mur's second ABC'', 1997 IEEE AP/URSI Symposium at Montreal, Canada, July 1997, pp. 47.

  • El Zooghby A. H., C. G. Christodoulou, and M. Georgiopoulos, “Neural Network Approach for Direction of Arrival Estimation'', SPIE, Orlando, FL. 1997, vol. 3077, pp. 572-581

  • Liu Youcheng, C. G. Christodoulou, and P. F. Wahid, “Effects of Ferrite Substrates on the Spectral Properties of Frequency Selective Surfaces '', KoREMA'96, Opatija, Croatia, Sept. 96, pp. 35-37.

  • Rubelj M., P. F. Wahid, and C. G. Christodoulou, “Design of a Dual Layer Microstrip Antenna Array for a Direct Broadcast Satellite Receiver'', KoREMA'96, Opatija, Croatia, Sept. 96, pp. 15-17.

  • El Zooghby A. H. and C. G. Christodoulou, “Optimum Beamforming for Co-Channel Interference Nulling in Mobile Satellite Communications'', 1996 IEEE AP/URSI Symposium at Baltimore, MD, pp. 522-525.

  • G. Turner and C. G. Christodoulou, “FDTD Analysis of Microstrip Array Antennas with Finite Dielectric Substrate'', 1996 IEEE AP/URSI Symposium at Baltimore, MD, July 1996, pp. 1292-1295.

  • Rubelj M., P. F. Wahid, and C. G. Christodoulou, “Design of a Microstrip Antenna Array for a Direct Broadcast Satellite Receiver'', 1996 IEEE AP/URSI Symposium at Baltimore, MD, July 1996, pp. 61.

  • Gomez-Tagle J. and C. G. Christodoulou, “Bandwidth Enhancement for Stacked Concentric Ring Microstrip Antennas'', 1996 IEEE AP/URSI Symposium at Baltimore, MD, July 1996, pp. 60.

  • Fisk R. P. and Christodoulou, “Creating an Engineering/Marketing Technology Incubator Laboratory for Undergraduate Education'', IEEE SouthCon 96, Orlando, Florida, June 96, pp. 509-512.

  • Mortazawi A, C. G. Christodoulou and P. F. Wahid, “Engineering Electromagnetics at the University of Central Florida'', IEEE SouthCon 96, Orlando, Florida, June 96, pp. 269-271.

  • Hestand Rue and C. G. Christodoulou, “Analysis of Planar Microstrip Antennas Using the Finite Element Method'', IEEE SouthEastCon 96, Tampa, Florida, April 96, pp. 136-139.

  • El Zooghby A. H., S. El Khamy, and C. G. Christodoulou, “Adaptive Antenna Arrays for Mobile Satellite Communications'', IEEE SouthEastCon 96, Tampa, Florida, April 96, pp. 324-327.

  • Boreman G. D., C. G. Christodoulou, A Dogariu, T. Durham, and D. Kotter, “Crosstalk Analysis of Antenna-Coupled Infrared Focal-Plane Arrays'', Infrared and Millimeter Wave Conference in Orlando, December 1995.

  • Liu Youcheng, C. G. Christodoulou, P. F. Wahid, and N. E. Buris, “Analysis of Frequency Selective Surfaces on Ferrite Substrates'', IEEE AP/URSI Symposium at Newport Beach, CA., 1995, pp. 1640-1643.

  • Spreckic T. and C. G. Christodoulou, “Finite Difference-Time Domain Analysis of Microstrip Antennas on a Ferrite Substrate'', IEEE AP/URSI Symposium at Newport Beach, CA., June 1995, pp. 276.

  • Zhu W., P.F. Wahid, and C. G. Christodoulou, “Microstrip Antennas with Finite Ground Planes'', IEEE AP/URSI Symposium at Newport Beach, CA., June 1995, pp. 277.

  • Liou J.J., C.S. Ho, C.G. Christodoulou, and L. Chan, “Mixed Analog/Digital VLSI Design and Simulation of An Adaptive Resonance Theory(ART) Neural Network Architecture'', SPIE conf. in OE/Aerospace Science and Sensing, Orlando, FL, April 95, vol. 2492, pt.1, pp.72-83

  • Ely, J., C. G. Christodoulou, and D. Shively, “Square Spiral Antennas for Wireless Applications'', 1995 IEEE NTC Conference, Orlando, FL., May 1995, pp. 229-232.

  • Ely, J., C. G. Christodoulou, and D. Shively, “Square Spiral Microstrip Antennas: Analysis for Different Sizes and Substrate Parameters Using a Personal Computer'', IEEE 1995 Southcon, April 1995, pp. 362-367

  • Christodoulou, C. G., J. Huang, M.G. Georgiopoulos, and J.J. Liou, “Application of the ARTMAP Neural Network in the Design of Cascaded Gratings and Frequency Selective Surfaces'', Inter. IEEE AP/URSI Symposium at University of Washington, Seattle, WA, June, 1994, pp. 562-564.

  • Durham T. E. and C.G. Christodoulou, “Analysis of Dielectric Bodies of Revolution in the Presence of Arbitrary Metallic Surfaces '', BETECH, Orlando, FL., March 1994, pp. 103-109.

  • Wahid P. F. and C. G. Christodoulou, “Overview of Issues Relating to Low Frequency Electric and Magnetic Field Effects ", IEEE Southcon, Orlando, FL., March 1994, pp. 241-243.

  • Christodoulou C. G, P.F. Wahid and F. N. Grey, “Scattering from Metallic Gratings made of Various Conductivity Profiles", IEEE Southcon, Orlando, FL., March 1994, pp. 226-229.

  • Christodoulou, C. G., J. Huang, M.G. Georgiopoulos, and J.J. Liou , “Design of Gratings and Frequency Selective Surfaces Using ARTMAP Neural Networks'', SPIE conf. in OE/Aerospace Science and Sensing, Orlando, FL., April 94, vol. 2243, pp. 571-581.

  • Liou J.J., C.S. Ho, M. Georgiopoulos, and C.G. Christodoulou, “Circuit Design and Simulation of An Adaptive Resonance Theory (ART) Neural Network Using Compensated Operational Amplifiers'', SPIE conf. in OE/Aerospace Science and Sensing, Orlando, FL, April 94, vol. 2243, pp. 344-355.

  • Durham T. E. and C.G. Christodoulou, “Integral Equation Analysis of Dielectric Bodies of Revolution in the Presence of Arbitrary Surfaces '', Inter. IEEE AP/URSI Symposium at Ann Arbor, Michigan, June, 1993, pp. 44-47.

  • Durham T. E. and C.G. Christodoulou, “A Method for Treating Junctions between Bodies of Revolution and Arbitrary Surfaces '', Inter. IEEE AP/URSI Symposium at Ann Arbor, Michigan, June, 1993, pp. 342-345.

  • Liou J.J., C.S. Ho, M. Georgiopoulos, G.L. Heileman and C.G. Christodoulou , “Design and Simulation of Adaptive Resonance Theory Neural Networks'', 93 SPIE conf. in OE/Aerospace Science and Sensing, Orlando, FL, 93.

  • Wuerz D., J.J. Liou, M. Georgiopoulos and C.G. Christodoulou, “Circuit Design and Simulation of Adaptive Resonance Theory(ART) for Neural Networks'',Modeling and Simulation Conference, Pittsburgh, Pennsylvania, May 1, 1992.

  • Christodoulou C.G. and E.G. Johnson, “Focusing Properties of Chirped Gratings", Inter. IEEE AP/URSI Symposium at Chicago, Illinois, July, 1992, pp. 1803-1806.

  • Christodoulou C.G, “Electromagnetic Scattering from Skew-Symmetric Metallic Grids'', Inter. IEEE AP/URSI Symposium at Chicago, Illinois, July,1992, pp. 1791-1794.

  • Nguyen Cam and C.G. Christodoulou, “Analysis of Non-Linear Microwave Circuits Using the Harmonic Balance Technique'' SPIE's International Symposium on Aerospace Sensing, Orlando, Florida, April 1992.

  • Nguyen Cam and C.G. Christodoulou, “An Efficient Analysis Approach of Microwave and Millimeter-Wave MESFET Mixers'', Sixteenth International Conference on Infrared and Millimeter Waves, Lausanne, Switzerland, August 1991, pp. 148-149.

  • Arceneaux W.S. and C.G. Christodoulou, “Far-Field Analysis and Evaluation of an Indoor Conductive Chamber'', 13th Annual Antenna Measurement Techniques Association (AMTA) Symposium at Boulder, Co., October 1991.

  • Murphy R.A, C.G. Christodoulou and R. L. Phillips, “Electromagnetic Scattering from a Finite Cylinder with Complex Permittivity '', SPIE's International Symposium on Optical Applied Science and Engineering, San Diego, California, vol. 1558, no. 32, July 1991, pp. 295-305.

  • Rutkowski K.A, P.F. Wahid and C.G. Christodoulou, “Radiation Properties of a Circular Array of Microstrip Patch Antennas" , Inter. IEEE AP/URSI Symposium at the University of Western Ontario, London, Ontario, June 1991, pp. 604-607.

  • Christodoulou C. G. and M.C. Bailey, “Mutual Coupling between Circular Apertures on an Infinite Conducting Ground Plane and Radiating into a Finite Width Slab'', Inter. IEEE AP/URSI Symposium at the University of Western Ontario, London, Ontario, June 1991, pp. 828-831.

  • Durham T. E. and C.G. Christodoulou, “Composite Body-of-Revolution and Arbitrary Surface Analysis Using the Method of Moments'', Inter. IEEE AP/URSI Symposium at the University of Western Ontario, London, Ontario, June 1991, pp. 1488-1491.

  • Hermann P.R. and C.G. Christodoulou, “RF Measurement Methodology for Characterization of Low Radar Cross Section Test Specimens'', Inter. IEEE AP/URSI Symposium at Dallas, TX., May 1990, pp. 1314-1317.

  • Arceneaux W.S. and C.G. Christodoulou, `` Plane Wave Analysis and Evaluation of an Indoor Far Field Conductive Chamber'' , Inter. IEEE AP/URSI Symposium at Dallas, TX., May 1990, pp. 249.

  • Johnson E.G. and C.G. Christodoulou, “Scattering by a Planar Aperiodic Strip Grating'', Intern. IEEE AP/URSI Symposium at Dallas, TX., May 1990, pp. 413-416.

  • Uhing J.G, S.C. Thomas and C.G. Christodoulou,“A Statistical Approach For Estimating the Loss Contribution of Concatenated Connectors in Fiber-Optic Links'', NAECON 90 Symposium, Dayton, Ohio, May 1990.

  • Kauffman J.F and C.G. Christodoulou, “The Effect of Temperature Variation on the Performance of Metallic Mesh Reflector Surfaces'', Intern. IEEE Symposium on Antennas and Propagation at San Jose, CA., June 1989, pp. 250-253.

  • Shi X. and C.G. Christodoulou, “Scattering from Cascaded Gratings with Variable Orientation at Each Layer'', Intern. IEEE Symposium on Antennas and Propagation, at San Jose, CA., June 1989, pp. 1064-1067.

  • Wahid P.F. and C.G. Christodoulou, “Scattering from lossy cascaded gratings'', Intern. IEEE AP/URSI Symposium at Syracuse University, Syracuse, N.Y., June 1988, pp. 448.

  • Yin, S.X., C.G. Christodoulou, M. Hamid, W.S. Arseneaux and W.A. Seegers, “Radiation Pattern of a Reflector Antenna from Near Field Measurements over the Focal Region of a Coupled Lens or Offset Reflector'', Intern. IEEE Symposium on Antennas and Propagation at Syracuse University, Syracuse, N.Y, June 1988, pp. 1114-1117.

  • Christodoulou, C.G., S.X. Yin and J. F. Kauffman, “Reflection Properties of a Mesh with Schottky Impedances at the Contact points'', International IEEE Symposium on Antennas and Propagation at Syracuse University, Syracuse, N.Y., June 1988, pp. 758-761.

  • Kwan, P.K., C.G. Christodoulou and P. Wahid, “Electromagnetic Scattering from cascaded dielectric slabs and gratings for any angle of incidence'', Intern. IEEE Symposium on Antennas and Propagation at Virginia Polytechnic Institute, Blacksburg, VA, June 1987, pp. 726-729.

  • Cock R.T. and C.G. Christodoulou, “Design of two-layer microstrip antenna elements for broadband applications'', Intern. IEEE Symp. on Antennas and Propagation at Virginia Polytechnic Institute, Blacksburg, VA, June 1987, pp. 936-939.

  • Ayoub, F.E. and C. G. Christodoulou, `` Automated Q-factor Measurements Via a Network Analyzer'', Southeastcon' 87, USF, Tampa, Florida, April 87, pp. 631-633.

  • Kwan, P.K., C. G. Christodoulou and P.F. Wahid, “Electromagnetic Scattering from Stacked Wire Gratings'', Southeastcon' 87, USF, Tampa, Florida, April 87, pp. 233-235.

  • Cock R.T. and C. G. Christodoulou, “Experimental Investigation of Capacitively Coupled Microstrip Antenna Elements'', Southeastcon' 87, USF, Tampa, Florida, April 87, pp. 229-232.

  • Middelveen, R.J., C. G. Christodoulou and J.F. Kauffman, “The Secant-Corrector Spectral Iteration Method'', in North American Science meeting and Inter. IEEE/AP-S Symp., Philadelphia, June 1986, pp. 60.

  • Christodoulou C.G. and J.F. Kauffman, “On the Electromagnetic Scattering from Infinite Rectangular Grids made of coated conductors”, in North American Radio Science meeting and Inter.IEEE/AP-S Symp., Philadelphia, June 1986, pp. 170.

  • Brand, J.C., C.G. Christodoulou and J. F. Kauffman, “The Contraction Spectral Iteration Method”, in North American Radio Science meeting and Inter. IEEE/AP-S Symp., Vancouver, Canada, June 18, 1985, pp. 164.

  • Christodoulou C.G. and J.F. Kauffman, “On the Electromagnetic Scattering from Infinite Rectangular Conducting Grids Via the Spectral Domain Conjugate Gradient Method”, in North American Radio Science meeting and Inter. IEEE/AP-S Symp., Vancouver, Canada, June 18, 1985, pp. 162.