Research

Research Videos

Origami Antennas

Origami Antennas

Publications

Journal Articles:

1. S. V. Geogakopoulos, C. A. Balanis and C. R. Birtcher, “Coupling between transmission line antennas: analytic solution, FDTD, and measurements,” in IEEE Transactions on Antennas and Propagation, vol. 47, no. 6, pp. 978-985, June 1999, doi: 10.1109/8.777120.
2. S. V. Georgakopoulos, C. A. Balanis and C. R. Birtcher, “Cosite interference between wire antennas on helicopter structures and rotor modulation effects: FDTD versus measurements,” in IEEE Transactions on Electromagnetic Compatibility, vol. 41, no. 3, pp. 221-233, Aug. 1999, doi: 10.1109/15.784157.
3. C. A. Balanis, A. C. Polycarpou, and S. V. Georgakopoulos, “Computational Electromagnetic Methods for Interconnects and Small Structures,” Superlattices and Microstructures, vol. 27, no. 5/6, pp. 539-543, 2000, 10.1006/spmi.2000.0865.
4. S. V. Georgakopoulos, C. R. Birtcher and C. A. Balanis, “HIRF penetration through apertures: FDTD versus measurements,” in IEEE Transactions on Electromagnetic Compatibility, vol. 43, no. 3, pp. 282-294, Aug. 2001, doi: 10.1109/15.942601.
5. S. V. Georgakopoulos, C. R. Birtcher and C. A. Balanis, “Coupling modeling and reduction techniques of cavity-backed slot antennas: FDTD versus measurements,” in IEEE Transactions on Electromagnetic Compatibility, vol. 43, no. 3, pp. 261-272, Aug. 2001, doi: 10.1109/15.942599.
6. S. V. Georgakopoulos, R. A. Renaut, C. A. Balanis and C. R. Birtcher, “A hybrid fourth-order FDTD utilizing a second-order FDTD subgrid,” in IEEE Microwave and Wireless Components Letters, vol. 11, no. 11, pp. 462-464, Nov. 2001, doi: 10.1109/7260.966042.
7. S. V. Georgakopoulos, C. R. Birtcher, C. A. Balanis and R. A. Renaut, “Higher-order finite-difference schemes for electromagnetic radiation, scattering, and penetration .1. Theory,” in IEEE Antennas and Propagation Magazine, vol. 44, no. 1, pp. 134-142, Feb. 2002, doi: 10.1109/74.997945.
8. S. V. Georgakopoulos, C. R. Birtcher, C. A. Balanis and R. A. Renaut, “Higher-order finite-difference schemes for electromagnetic radiation, scattering, and penetration .2. Applications,” in IEEE Antennas and Propagation Magazine, vol. 44, no. 2, pp. 92-101, April 2002, doi: 10.1109/MAP.2002.1003639.
9. S. V. Georgakopoulos, C. R. Birtcher, C. A. Balanis, R. A. Renaut and A. H. Panaretos, “HIRF penetration and PED coupling analysis for fuselage models using a hybrid subgrid FDTD(2,2)/FDTD(2,4) method,” IEEE Antennas and Propagation Society International Symposium (IEEE Cat. No.02CH37313), San Antonio, TX, USA, 2002, pp. 690-693 vol.2, doi: 10.1109/APS.2002.1016740.
10. S. Ogurtsov and S. V. Georgakopoulos, “FDTD Schemes With Minimal Numerical Dispersion,” in IEEE Transactions on Advanced Packaging, vol. 32, no. 1, pp. 199-204, Feb. 2009, doi: 10.1109/TADVP.2008.2008100.
11. S. Jiang and S. V. Georgakopoulos, “Electromagnetic Wave Propagation into Fresh Water,” Journal of Electromagnetic Analysis and Applications, vol. 3, no. 7, pp. 261-266, Jul. 2011. doi: 10.4236/jemaa.2011.37042. (4th most downloaded JEMAA paper as of 8/21/17–13,140 Downloads and 26,969 Views)
12. S. Jiang and S. V. Georgakopoulos, “Optimum Wireless Powering of Sensors Embedded in Concrete,” in IEEE Transactions on Antennas and Propagation, vol. 60, no. 2, pp. 1106-1113, Feb. 2012, doi: 10.1109/TAP.2011.2173147.
13. Y. Qu and S. V. Georgakopoulos, “An Average Distance Based Self-relocation and Self-Healing Algorithm for Mobile Sensor Networks,” Journal of Wireless Sensor Networks, vol. 4, no. 11, pp. 257-263, Dec. 6, 2012. doi: 10.4236/wsn.2012.411037.
14. O. Jonah, S. V. Georgakopoulos and M. M. Tentzeris, “Optimal Design Parameters for Wireless Power Transfer by Resonance Magnetic,” in IEEE Antennas and Wireless Propagation Letters, vol. 11, pp. 1390-1393, 2012, doi: 10.1109/LAWP.2012.2228459.
15. O. Jonah and S. V. Georgakopoulos, “Wireless Power Transfer in Concrete via Strongly Coupled Magnetic Resonance,” in IEEE Transactions on Antennas and Propagation, vol. 61, no. 3, pp. 1378-1384, March 2013, doi: 10.1109/TAP.2012.2227924.
16. O. Jonah, A. Merwaday, S. V. Georgakopoulos, and M. M. Tentzeris, “Spiral Resonators for Optimally Efficient Strongly Coupled Magnetic Resonant Systems,” Wireless Power Transfer Journal, Cambridge Press, Mar. 2014. doi: 10.1017/wpt.2014.3
17. X. Liu, S. Yao, B. S. Cook, M. M. Tentzeris and S. V. Georgakopoulos, “An Origami Reconfigurable Axial-Mode Bifilar Helical Antenna,” in IEEE Transactions on Antennas and Propagation, vol. 63, no. 12, pp. 5897-5903, Dec. 2015, doi: 10.1109/TAP.2015.2481922.
18. J. S. Gibson, X. Liu, and S. V. Georgakopoulos, J. J. Wie, T. H. Ware and T. J. White, “Reconfigurable Antennas Based on Self-Morphing Liquid Crystalline Elastomers,” in IEEE Access, vol. 4, pp. 2340-2348, 2016, 2016, doi: 10.1109/ACCESS.2016.2565199.
19. H. Hu and S. Georgakopoulos, “Multiband and Broadband Wireless Power Transfer Systems Using the Conformal Strongly Coupled Magnetic Resonance Method,” in IEEE Transactions on Industrial Electronics, vol. 64, no. 5, pp. 3595-3607, May 2017, doi: 10.1109/TIE.2016.2569459.
20. D. Liu, H. Hu, and S. V. Georgakopoulos, “Misalignment Sensitivity of Strongly Coupled Wireless Power Transfer Systems,” in IEEE Transactions on Power Electronics, vol. 32, no. 7, pp. 5509-5519, July 2017, , doi: 10.1109/TPEL.2016.2605698.
21. S. Yao, X. Liu and S. V. Georgakopoulos, “Morphing Origami Conical Spiral Antenna Based on the Nojima Wrap,” in IEEE Transactions on Antennas and Propagation, vol. 65, no. 5, pp. 2222-2232, May 2017, doi: 10.1109/TAP.2017.2677920.
22. X. Liu, S. V. Georgakopoulos and S. Rao, “A Design of an Origami Reconfigurable QHA with a Foldable Reflector [Antenna Applications Corner],” in IEEE Antennas and Propagation Magazine, vol. 59, no. 4, pp. 78-105, Aug. 2017, doi: 10.1109/MAP.2017.2706649.
23. S. Yao and S. V. Georgakopoulos, “Origami Segmented Helical Antenna With Switchable Sense of Polarization,” in IEEE Access, vol. 6, pp. 4528-4536, 2018, doi: 10.1109/ACCESS.2017.2787724.
24. D. Liu and S. V. Georgakopoulos, “Cylindrical Misalignment Insensitive Wireless Power Transfer Systems,” in IEEE Transactions on Power Electronics, vol. 33, no. 11, pp. 9331-9343, Nov. 2018, doi: 10.1109/TPEL.2018.2791350.
25. X. Liu, C. L. Zekios and S. V. Georgakopoulos, “Analysis of a Packable and Tunable Origami Multi-Radii Helical Antenna,” in IEEE Access, vol. 7, pp. 13003-13014, 2019, doi: 10.1109/ACCESS.2019.2892711.
26. K. Bao, C. L. Zekios and S. V. Georgakopoulos, “A Wearable WPT System on Flexible Substrates,” in IEEE Antennas and Wireless Propagation Letters, vol. 18, no. 5, pp. 931-935, May 2019, doi: 10.1109/LAWP.2019.2906069.
27. Hyun Kim, John Gibson, Jimin Maeng, Mohand O. Saed, Krystine Pimentel, Rashed T. Rihani, Joseph J. Pancrazio, Stavros V. Georgakopoulos, and Taylor H. Ware ACS Applied Materials & Interfaces 2019 11 (21), 19506-19513 DOI: 10.1021/acsami.9b04189.
28. Y. Shafiq, J. S. Gibson, H. Kim, C. P. Ambulo, T. H. Ware and S. V. Georgakopoulos, “A Reusable Battery-Free RFID Temperature Sensor,” in IEEE Transactions on Antennas and Propagation, vol. 67, no. 10, pp. 6612-6626, Oct. 2019, doi: 10.1109/TAP.2019.2921150.
29. K. Bao, C. L. Zekios and S. V. Georgakopoulos, “Miniaturization of SCMR Systems Using Multilayer Resonators,” in IEEE Access, vol. 7, pp. 143445-143453, 2019, doi: 10.1109/ACCESS.2019.2945319.
30. M. Hamza, C. L. Zekios and S. V. Georgakopoulos, “A Thick Origami Reconfigurable and Packable Patch Array With Enhanced Beam Steering,” in IEEE Transactions on Antennas and Propagation, vol. 68, no. 5, pp. 3653-3663, May 2020, doi: 10.1109/TAP.2020.2963922.
31. J. Barreto, A. Kaddour and S. V. Georgakopoulos, “Conformal Strongly Coupled Magnetic Resonance Systems With Extended Range,” in IEEE Open Journal of Antennas and Propagation, vol. 1, pp. 264-271, 2020, doi: 10.1109/OJAP.2020.2999447.
32. Y. Shafiq, J. Henricks, C. P. Ambulo, T. H. Ware and S. V. Georgakopoulos, “A Passive RFID Temperature Sensing Antenna With Liquid Crystal Elastomer Switching,” in IEEE Access, vol. 8, pp. 24443-24456, 2020, doi: 10.1109/ACCESS.2020.2969969.
33. Y. Shafiq, J. Henricks, C. P. Ambulo, T. H. Ware and S. V. Georgakopoulos, “A Battery-Free Temperature Sensor With Liquid Crystal Elastomer Switching Between RFID Chips,” in IEEE Access, vol. 8, pp. 87870-87883, 2020, doi: 10.1109/ACCESS.2020.2993034.
34. D. Lialios, K. D. Paschaloudis, C. L. Zekios, S. V. Georgakopoulos, and G. A. Kyriacou, “Design of True Time Delay Millimeter Wave Beamformers for 5G Multibeam Phased Arrays,” Electronics 9, no. 8: 1331, doi: 10.3390/electronics9081331.
35. A. Biswas, C. L. Zekios, and S. V. Georgakopoulos, “Transforming single-band static FSS to dual-band dynamic FSS using origami,” Scientific Reports 10, 13884 (2020), doi: 10.1038/s41598-020-70434-y.
36. A. -S. Kaddour, C. A. Velez, M. Hamza, N. C. Brown, C. Ynchausti, S. P. Magleby, L. Howell, and S. V. Georgakopoulos, “A Foldable and Reconfigurable Monolithic Reflectarray for Space Applications,” in IEEE Access, vol. 8, pp. 219355-219366, 2020, doi: 10.1109/ACCESS.2020.3042949.
37. N. E. Russo, C. L. Zekios, and S. V. Georgakopoulos, “Decoupling Modes in Multi-Band Microstrip Patch Antennas,” IEEE Open Journal of Antennas and Propagation, vol. 2, pp. 118-125 (2021), doi: 10.1109/OJAP.2020.3046458.
38. M. R. Khan, C. L. Zekios, S. Georgakopoulos and S. Bhardwaj, “Automated Design and Optimization of Origami Electromagnetic Structures [EM Programmer’s Notebook],” in IEEE Antennas and Propagation Magazine, vol. 63, no. 2, pp. 89-102, April 2021, doi: 10.1109/MAP.2021.3053962.

Conference Proceedings:

1. S. V. Georgakopoulos and C. A. Balanis, “Cosite Interference of Communication Systems,” 6th International Conference on Advances in Communications and Control Digest, Korfu, Greece, pp. 837 845, June 23-27, 1997.
2. C. A. Balanis, C. D. Katsibas, and S. V. Georgakopoulos, “Wireless Mobile Antennas and Cosite Interference in Communication Systems,” NATO Advanced Study Institute, Applied Computational Electromagnetics, Samos, Greece, 1997. doi: 10.1007/978-3-642-59629-2_16.
3. S. V. Georgakopoulos, C. A. Balanis, and C. R. Birtcher, “Mutual Coupling Between Wire Antennas Mounted on Helicopter Airframes: FDTD vs. Measurements,” IEEE Magnetics Society, 8th Biennial IEEE Conference on Electromagnetic Field Computation Digest, Tucson, AZ, pp. 173, June 1-3 1998.
4. S. V. Georgakopoulos, C. A. Balanis and C. R. Birtcher, “Coupling between wire antennas: analytic solution, FDTD, and measurements,” IEEE Antennas and Propagation Society International Symposium. 1998 Digest. Antennas: Gateways to the Global Network. Held in conjunction with: USNC/URSI National Radio Science Meeting (Cat. No.98CH36, Atlanta, GA, 1998, pp. 504-507 vol.1, doi: 10.1109/APS.1998.699188.
5. S. V. Georgakopoulos, C. A. Balanis and C. R. Birtcher, “Cosite interference between wire antennas using the finite-difference time-domain method,” 1998 IEEE EMC Symposium. International Symposium on Electromagnetic Compatibility. Symposium Record (Cat. No.98CH36253), Denver, CO, USA, 1998, pp. 1014-1017 vol.2, doi: 10.1109/ISEMC.1998.750347.
6. S. V. Georgakopoulos, A. C. Polycarpou and C. A. Balanis, “Full-wave analysis of HF antennas on helicopters using the FDTD, FEM and NEC,” IEEE Antennas and Propagation Society International Symposium. 1999 Digest. Held in conjunction with: USNC/URSI National Radio Science Meeting (Cat. No.99CH37010), Orlando, FL, 1999, pp. 1058-1061 vol.2, doi: 10.1109/APS.1999.789494.
7. S. V. Georgakopoulos, A. C. Polycarpou, C. A. Balanis and C. Birtcher, “Analysis of coupling between cavity-backed slot antennas: FDTD, FEM and measurements,” IEEE Antennas and Propagation Society International Symposium. 1999 Digest. Held in conjunction with: USNC/URSI National Radio Science Meeting (Cat. No.99CH37010), Orlando, FL, 1999, pp. 582-585 vol.1, doi: 10.1109/APS.1999.789206.
8. A. C. Polycarpou, S. V. Georgakopoulos, and C. A. Balanis, “3-D Modeling of Helicopter Radiation Problems using the FDTD, FEM and NEC,” International Union of Radio Science, Toronto, Canada, August 13-21, 1999.
9. C. A. Balanis, A. C. Polycarpou, and S. V. Georgakopoulos, “Computational Electromagnetic Methods for Interconnects and Small Structures,” SIMD ’99, Hawaii, December, 1999.
10. A. C. Polycarpou, Dong Ho Han, S. V. Georgakopoulos and C. A. Balanis, “3-D Modeling of Complex Helicopter Structures: Predictions and Measurements,” 16th Annual Review of Progress in Applied Comput. Electromagnetics, Monterey, CA, March 20-25, 2000.
11. S. V. Georgakopoulos, C. A. Balanis and R. Renaut, “Pseudospectral methods versus FDTD,” IEEE Antennas and Propagation Society International Symposium. Transmitting Waves of Progress to the Next Millennium. 2000 Digest. Held in conjunction with: USNC/URSI National Radio Science Meeting (C, Salt Lake City, UT, 2000, pp. 1506-1509 vol.3, doi: 10.1109/APS.2000.874494.
12. C. Birtcher, S. Georgakopoulos and C. A. Balanis, “Artificial loss in FDTD predictions of high-Q cavities,” IEEE Antennas and Propagation Society International Symposium. Transmitting Waves of Progress to the Next Millennium. 2000 Digest. Held in conjunction with: USNC/URSI National Radio Science Meeting (C, Salt Lake City, UT, 2000, pp. 1492-1495 vol.3, doi: 10.1109/APS.2000.874488.
13. R. Renaut, S. V. Georgakopoulos, and C. A. Balanis, “FDTD (2,4) for Maxwell’s Equations in 3D,” International Conference on Spectral and High Order Methods (ICOSAHOM-01), p. 5, Uppsala University, Sweden, June 11-15, 2001.
14. C. Birtcher, S. V. Georgakopoulos and C. A. Balanis, “HIRF penetration into a fuselage-like body: FDTD predictions vs. measurements,” IEEE Antennas and Propagation Society International Symposium. 2001 Digest. Held in conjunction with: USNC/URSI National Radio Science Meeting (Cat. No.01CH37229), Boston, MA, USA, 2001, pp. 532-535 vol.3, doi: 10.1109/APS.2001.960151.
15. S. V. Georgakopoulos, R. A. Renaut, C. A. Balanis, C. R. Birtcher and A. H. Panaretos, “A hybrid method of FDTD (2,4) and subgrid FDTD(2,2) for modeling of coupling,” IEEE Antennas and Propagation Society International Symposium (IEEE Cat. No.02CH37313), San Antonio, TX, USA, 2002, pp. 694-697 vol.2, doi: 10.1109/APS.2002.1016741.
16. S. V. Georgakopoulos, C. R. Birtcher, C. A. Balanis, R. A. Renaut and A. H. Panaretos, “HIRF penetration and PED coupling analysis for fuselage models using a hybrid subgrid FDTD (2,2)/FDTD (2,4) method,” IEEE Antennas and Propagation Society International Symposium (IEEE Cat. No.02CH37313), San Antonio, TX, USA, 2002, pp. 690-693 vol.2, doi: 10.1109/APS.2002.1016740.
17. S. V. Georgakopoulos and J. Morelli, “Design of high power microwave miniaturized terminations,” Proceedings Electronic Components and Technology, 2005. ECTC ’05., Lake Buena Vista, FL, 2005, pp. 772-775 Vol. 1, doi: 10.1109/ECTC.2005.1441358.
18. S. Ogurtsov and S. Georgakopoulos, “A technique for reducing the numerical dispersion of conditionally and unconditionally stable FDTD methods,” 2008 IEEE Antennas and Propagation Society International Symposium, San Diego, CA, 2008, pp. 1-4, doi: 10.1109/APS.2008.4619236.
19. S. V. Georgakopoulos, “Coupling Reduction for Collocated Antennas on MIMO Systems,” 2008 The Fourth International Conference on Wireless and Mobile Communications, Athens, 2008, pp. 325-330, doi: 10.1109/ICWMC.2008.22.
20. S. Georgakopoulos and S. Ogurtsov, “An S-parameter extraction technique for broad-band characterization of microstrip-to-SIW transitions,” 2009 IEEE Antennas and Propagation Society International Symposium, Charleston, SC, 2009, pp. 1-4, doi: 10.1109/APS.2009.5172241.
21. S. Jiang and S. V. Georgakopoulos, “Wireless Powering of Sensors Embedded in Concrete,” IEEE Antennas Propagat. Society Internat. Symp., Charlotte, SC, June 1-5, 2009.
22. S. V. Georgakopoulos and S. Ogurtsov, “Radio frequency bands of minimal total attenuation in concrete,” 25th Annual Review of Progress in Applied Comput. Electromagnetics, Monterey, CA, March 8-12, 2009.
23. O. Imafidon, S. V. Georgakopoulos and N. Pala, “Multifunctional Nanodevices for Energy Harvesting in Unconventional Spectral Ranges,” SPIE Defense, Security, and Sensing Conf., Orlando, FL, April 5-9, 2010 doi: 10.1117/12.855193.
24. S. V. Georgakopoulos and Shan Jiang, “Wireless powering of sensors embedded in concrete,” 2010 IEEE 11th Annual Wireless and Microwave Technology Conference (WAMICON), Melbourne, FL, 2010, pp. 1-5, doi: 10.1109/WAMICON.2010.5461866.
25. Shan Jiang and S. V. Georgakopoulos, “Optimum power transmission of wireless sensors embedded in concrete,” 2010 IEEE International Conference on RFID (IEEE RFID 2010), Orlando, FL, 2010, pp. 237-244, doi: 10.1109/RFID.2010.5467275.
26. S. Jiang and S. V. Georgakopoulos, “Optimum wireless power transmission through reinforced concrete structure,” 2011 IEEE International Conference on RFID, Orlando, FL, 2011, pp. 50-56, doi: 10.1109/RFID.2011.5764636.
27. O. Jonah and S. V. Georgakopoulos, “Wireless power transfer to sensors via magnetic resonance,” IEEE International Conference on RFID, Orlando, FL, Apr. 12-14, 2011.
28. O. Jonah and S. V. Georgakopoulos, “Wireless power transmission to sensors embedded in concrete via Magnetic Resonance,” WAMICON 2011 Conference Proceedings, Clearwater Beach, FL, 2011, pp. 1-6, doi: 10.1109/WAMICON.2011.5872857.
29. S. Jiang and S. V. Georgakopoulos, “Optimum wireless power transmission from air to lossy media,” WAMICON 2011 Conference Proceedings, Clearwater Beach, FL, 2011, pp. 1-6, doi: 10.1109/WAMICON.2011.5872881.
30. Y. Qu and S. V. Georgakopoulos, “Relocation of wireless sensor network nodes using a genetic algorithm,” WAMICON 2011 Conference Proceedings, Clearwater Beach, FL, 2011, pp. 1-5, doi: 10.1109/WAMICON.2011.5872882.
31. S. V. Georgakopoulos and O. Jonah, “Optimized wireless power transfer to RFID sensors via magnetic resonance,” 2011 IEEE International Symposium on Antennas and Propagation (APSURSI), Spokane, WA, 2011, pp. 1421-1424, doi: 10.1109/APS.2011.5996559.
32. O. Jonah and S. V. Georgakopoulos, “Efficient wireless powering of sensors embedded in concrete via magnetic resonance,” 2011 IEEE International Symposium on Antennas and Propagation (APSURSI), Spokane, WA, 2011, pp. 1425-1428, doi: 10.1109/APS.2011.5996560.
33. S. Jiang, S. V. Georgakopoulos, and Hao Jin, “Effects of periodic reinforced concrete structures on power transmission, ” IEEE International Conference on RFID, Orlando, FL, Apr. 3-5, 2012. doi: 10.1109/RFID.2012.6193046.
34. O. Jonah and S. V. Georgakopoulos, “Wireless powering of biomedical device via magnetic resonance,” WAMICON 2012 IEEE Wireless & Microwave Technology Conference, Cocoa Beach, FL, 2012, pp. 1-6, doi: 10.1109/WAMICON.2012.6208446.
35. O. Jonah and S. V. Georgakopoulos, “Optimal helices for wireless power transfer via magnetic resonance,” WAMICON 2012 IEEE Wireless & Microwave Technology Conference, Cocoa Beach, FL, 2012, pp. 1-4, doi: 10.1109/WAMICON.2012.6208448.
36. Y. Qu and S. V. Georgakopoulos, “A centralized algorithm for prolonging the lifetime of wireless sensor networks using Particle Swarm Optimization,” WAMICON 2012 IEEE Wireless & Microwave Technology Conference, Cocoa Beach, FL, 2012, pp. 1-6, doi: 10.1109/WAMICON.2012.6208432.
37. H. Hu and S. V. Georgakopoulos, “Wireless powering based on Strongly coupled Magnetic Resonance with SRR elements,” Proceedings of the 2012 IEEE International Symposium on Antennas and Propagation, Chicago, IL, 2012, pp. 1-2, doi: 10.1109/APS.2012.6349071.
38. S. Jiang, S. V. Georgakopoulos and O. Jonah, “RF power harvesting for underground sensors,” Proceedings of the 2012 IEEE International Symposium on Antennas and Propagation, Chicago, IL, 2012, pp. 1-2, doi: 10.1109/APS.2012.6348431.
39. S. Jiang, S. V. Georgakopoulos and O. Jonah, “Power transmission for sensors embedded in reinforced concrete structures,” Proceedings of the 2012 IEEE International Symposium on Antennas and Propagation, Chicago, IL, 2012, pp. 1-2, doi: 10.1109/APS.2012.6348425.
40. O. Jonah and S. V. Georgakopoulos, “Wireless power transmission to sensors in reinforced concrete via Magnetic Resonance,” Proceedings of the 2012 IEEE International Symposium on Antennas and Propagation, Chicago, IL, 2012, pp. 1-2, doi: 10.1109/APS.2012.6349069.
41. O. Jonah and S. V. Georgakopoulos, “Specific Absorption Rate (SAR) distribution in human tissue with magnetic resonance,” Proceedings of the 2012 IEEE International Symposium on Antennas and Propagation, Chicago, IL, 2012, pp. 1-2, doi: 10.1109/APS.2012.6349034.
42. O. Jonah and S. V. Georgakopoulos, “Wireless powering of device embedded in concrete via Magnetic Resonance,” Proceedings of the 2012 IEEE International Symposium on Antennas and Propagation, Chicago, IL, 2012, pp. 1-2, doi: 10.1109/APS.2012.6349070.
43. Y. Qu and S. V. Georgakopoulos, “A distributed self-relocating algorithm for randomly deployed mobile wireless sensors,” 2013 IEEE Topical Conference on Wireless Sensors and Sensor Networks (WiSNet), Austin, TX, 2013, pp. 148-150, doi: 10.1109/WiSNet.2013.6488663.
44. H. Hu and S. V. Georgakopoulos, “Miniaturized strongly coupled magnetic resonance design based on dielectric split-ring resonator for wireless power transmission,” 29th Annual Review of Progress in Applied Comput. Electromagnetics, Monterey, CA, Mar. 24-28, 2013.
45. O. Jonah, S. V. Georgakopoulos, and M. M. Tentzeris, “Strongly coupled wireless power transfer with conformal structures,” 29th Annual Review of Progress in Applied Comput. Electromagnetics, Monterey, CA, Mar. 24-28, 2013.
46. O. Jonah, S. V. Georgakopoulos and M. M. Tentzeris, “Wireless power transfer to mobile wearable device via resonance magnetic,” WAMICON 2013, Orlando, FL, 2013, pp. 1-3, doi: 10.1109/WAMICON.2013.6572768.
47. O. Jonah, S. V. Georgakopoulos and H. Hu, “Antenna structures for wireless power transfer via resonance magnetic,” WAMICON 2013, Orlando, FL, 2013, pp. 1-4, doi: 10.1109/WAMICON.2013.6572769.
48. E. Delgado-Cepero, S. V. Georgakopoulos, O. Jonah, and L. Lagos, “Structural health monitoring inside concrete and grout using the wireless identification and sensing platform,” IEEE International Conference on RFID, Orlando, FL, Apr. 30 – May 2, 2013. doi: 10.25148/etd.FI13042331
49. O. Jonah, S. V. Georgakopoulos and M. M. Tentzeris, “Orientation insensitive power transfer by magnetic resonance for mobile devices,” 2013 IEEE Wireless Power Transfer (WPT), Perugia, 2013, pp. 5-8, doi: 10.1109/WPT.2013.6556868. (2nd Best Paper Award)
50. H. Hu and S. V. Georgakopoulos, “Wireless power transfer through strongly Coupled Electric Resonance,” 2013 IEEE Antennas and Propagation Society International Symposium (APSURSI), Orlando, FL, 2013, pp. 836-837, doi: 10.1109/APS.2013.6711077.
51. O. Jonah, S. V. Georgakopoulos and S. Yao, “Strongly coupled resonance magnetic for RFID applications,” 2013 IEEE Antennas and Propagation Society International Symposium (APSURSI), Orlando, FL, 2013, pp. 1110-1111, doi: 10.1109/APS.2013.6711215.
52. O. Jonah, S. V. Georgakopoulos and M. M. Tentzeris, “Multi-band wireless power transfer via resonance magnetic,” 2013 IEEE Antennas and Propagation Society International Symposium (APSURSI), Orlando, FL, 2013, pp. 850-851, doi: 10.1109/APS.2013.6711084.
53. O. Jonah and S. V. Georgakopoulos, “Optimized helix with ferrite core for wireless power transfer via resonance magnetic,” 2013 IEEE Antennas and Propagation Society International Symposium (APSURSI), Orlando, FL, 2013, pp. 1040-1041, doi: 10.1109/APS.2013.6711180.
54. Yipeng Qu and S. V. Georgakopoulos, “A distributed area coverage algorithm for maintenance of randomly distributed sensors with adjustable sensing range,” 2013 IEEE Global Communications Conference (GLOBECOM), Atlanta, GA, 2013, pp. 286-291, doi: 10.1109/GLOCOM.2013.6831085.
55. H. Hu and S. V. Georgakopoulos, “Optimal Design of Conformal Strongly Coupled Magnetic Resonant Systems,” 30th Annual Review of Progress in Applied Comput. Electromagnetics, Jacksonville, FL, Mar. 23–27, 2014.
56. D. Daerhan, O. Jonah, H. Hu, S. V. Georgakopoulos and M. M. Tentzeris, “Novel highly-efficient and misalignment insensitive wireless power transfer systems utilizing Strongly Coupled Magnetic Resonance principles,” 2014 IEEE 64th Electronic Components and Technology Conference (ECTC), Orlando, FL, 2014, pp. 759-762, doi: 10.1109/ECTC.2014.6897370.
57. H. Hu and S. V. Georgakopoulos, “Analysis and design of broadband Wireless Power Transmission system via conformal Strongly Coupled Magnetic Resonance,” WAMICON 2014, Tampa, FL, 2014, pp. 1-4, doi: 10.1109/WAMICON.2014.6857760.
58. H. Hu, K. Bao, J. Gibson and S. V. Georgakopoulos, “Printable and Conformal Strongly Coupled Magnetic Resonant systems for wireless powering,” WAMICON 2014, Tampa, FL, 2014, pp. 1-4, doi: 10.1109/WAMICON.2014.6857762.
59. S. Yao, S. V. Georgakopoulos, B. Cook and M. Tentzeris, “A novel reconfigurable origami accordion antenna,” 2014 IEEE MTT-S International Microwave Symposium (IMS2014), Tampa, FL, 2014, pp. 1-4, doi: 10.1109/MWSYM.2014.6848571.
60. Xueli Liu, Shun Yao, S. V. Georgakopoulos, B. S. Cook and M. M. Tentzeris, “Reconfigurable helical antenna based on an origami structure for wireless communication system,” 2014 IEEE MTT-S International Microwave Symposium (IMS2014), Tampa, FL, 2014, pp. 1-4, doi: 10.1109/MWSYM.2014.6848553.
61. D. Daerhan, H. Hu and S. V. Georgakopoulos, “Novel topologies of misalignment insensitive SCMR wireless power transfer systems,” 2014 IEEE Antennas and Propagation Society International Symposium (APSURSI), Memphis, TN, 2014, pp. 1341-1342, doi: 10.1109/APS.2014.6904996.
62. H. Hu and S. V. Georgakopoulos, “Analysis and design of conformal SCMR WPT systems with multiple resonators,” 2014 IEEE Antennas and Propagation Society International Symposium (APSURSI), Memphis, TN, 2014, pp. 1347-1348, doi: 10.1109/APS.2014.6904999.
63. H. Hu and S. V. Georgakopoulos, “Design of optimal and broadband conformal SCMR systems,” 2014 IEEE Antennas and Propagation Society International Symposium (APSURSI), Memphis, TN, 2014, pp. 1345-1346, doi: 10.1109/APS.2014.6904998.
64. J. Gibson, K. Bao, H. Hu and S. V. Georgakopoulos, “Wireless charging for Li-Ion battery using a printable Conformal SCMR,” 2014 IEEE Antennas and Propagation Society International Symposium (APSURSI), Memphis, TN, 2014, pp. 1349-1350, doi: 10.1109/APS.2014.6905000.
65. O. Jonah, S. V. Georgakopoulos, D. Daerhan and S. Yao, “Misalignment-insensitive wireless power transfer via strongly coupled magnetic resonance principles,” 2014 IEEE Antennas and Propagation Society International Symposium (APSURSI), Memphis, TN, 2014, pp. 1343-1344, doi: 10.1109/APS.2014.6904997.
66. X. Liu, S. Yao and S. V. Georgakopoulos, “Reconfigurable spherical helical Electrically Small Antenna in UHF band,” 2014 IEEE Antennas and Propagation Society International Symposium (APSURSI), Memphis, TN, 2014, pp. 368-369, doi: 10.1109/APS.2014.6904516.
67. X. Liu, S. Yao, S. V. Georgakopoulos and M. Tentzeris, “Origami Quadrifilar Helix Antenna in UHF band,” 2014 IEEE Antennas and Propagation Society International Symposium (APSURSI), Memphis, TN, 2014, pp. 372-373, doi: 10.1109/APS.2014.6904518.
68. S. Yao, X. Liu, S. V. Georgakopoulos and M. M. Tentzeris, “A novel tunable origami accordion antenna,” 2014 IEEE Antennas and Propagation Society International Symposium (APSURSI), Memphis, TN, 2014, pp. 370-371, doi: 10.1109/APS.2014.6904517.
69. S. Yao, X. Liu, S. V. Georgakopoulos and M. M. Tentzeris, “A novel reconfigurable origami spring antenna,” 2014 IEEE Antennas and Propagation Society International Symposium (APSURSI), Memphis, TN, 2014, pp. 374-375, doi: 10.1109/APS.2014.6904519.
70. D. Daerhan, H. Hu and S. V. Georgakopoulos, “Misalignment study of two Strongly Coupled Magnetic Resonance systems,” 2015 IEEE 16th Annual Wireless and Microwave Technology Conference (WAMICON), Cocoa Beach, FL, 2015, pp. 1-3, doi: 10.1109/WAMICON.2015.7120412.
71. X. Liu, S. V. Georgakopoulos and M. Tentzeris, “A novel mode and frequency reconfigurable origami quadrifilar helical antenna,” 2015 IEEE 16th Annual Wireless and Microwave Technology Conference (WAMICON), Cocoa Beach, FL, 2015, pp. 1-3, doi: 10.1109/WAMICON.2015.7120416.
72. H. Hu and S. V. Georgakopoulos, “Wireless power transfer in human tissue via Conformal Strongly Coupled Magnetic Resonance,” 2015 IEEE Wireless Power Transfer Conference (WPTC), Boulder, CO, 2015, pp. 1-4, doi: 10.1109/WPT.2015.7140150.
73. K. Bao, H. Hu and S. V. Georgakopoulos, “Design considerations of conformal SCMR system,” 2015 IEEE Wireless Power Transfer Conference (WPTC), Boulder, CO, 2015, pp. 1-3, doi: 10.1109/WPT.2015.7140120.
74. K. A. Quintana, J. S. Gibson and S. V. Georgakopoulos, “Wearable conformal SCMR systems,” 2015 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting, Vancouver, BC, 2015, pp. 2355-2356, doi: 10.1109/APS.2015.7305566.
75. E. S. Tov, K. Bao and S. V. Georgakopoulos, “Backscattering modulation using strongly coupled magnetic resonance (SCMR) antennas,” 2015 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting, Vancouver, BC, 2015, pp. 167-168, doi: 10.1109/APS.2015.7304469.
76. J. Gibson, X. Liu, S. V. Georgakopoulos, T. Ware, J. J. Wie and T. J. White, “Novel reconfigurable antennas using Liquid Crystals Elastomers,” 2015 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting, Vancouver, BC, 2015, pp. 2297-2298, doi: 10.1109/APS.2015.7305537.
77. H. Hu and S. V. Georgakopoulos, “Wireless powering of biomedical implants by Comformal Strongly Coupled Magnetic Resonators,” 2015 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting, Vancouver, BC, 2015, pp. 1207-1208, doi: 10.1109/APS.2015.7304992.
78. H. Hu, S. Yao, K. Bao and S. V. Georgakopoulos, “Misalignment insensitive WPT with conformal SCMR systems,” 2015 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting, Vancouver, BC, 2015, pp. 117-118, doi: 10.1109/APS.2015.7304444.
79. K. Bao, E. Siman Tov and S. V. Georgakopoulos, “Conformal SCMR system with Multiple Resonators,” 2015 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting, Vancouver, BC, 2015, pp. 119-120, doi: 10.1109/APS.2015.7304445.
80. S. Yao, X. Liu, J. Gibson and S. V. Georgakopoulos, “Deployable origami Yagi loop antenna,” 2015 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting, Vancouver, BC, 2015, pp. 2215-2216, doi: 10.1109/APS.2015.7305496.
81. X. Liu, S. Yao and S. V. Georgakopoulos, “Reconfigurable origami equiangular conical spiral antenna,” 2015 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting, Vancouver, BC, 2015, pp. 2263-2264, doi: 10.1109/APS.2015.7305520.
82. X. Liu, S. Yao and S. V. Georgakopoulos, “Frequency reconfigurable origami quadrifilar helical antenna with reconfigurable reflector,” 2015 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting, Vancouver, BC, 2015, pp. 2217-2218, doi: 10.1109/APS.2015.7305497.
83. S. Yao, X. Liu and S. V. Georgakopoulos, “A mode reconfigurable Nojima origami antenna,” 2015 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting, Vancouver, BC, 2015, pp. 2237-2238, doi: 10.1109/APS.2015.7305507.
84. X. Liu, S. Yao, and S. V. Georgakopoulos, “Design of a Novel Origami Ultra-wideband Monofilar Antenna,” 2016 USNC-URSI National Radio Science Meeting (NRSM), Boulder, CO, USA, Jan. 6-9, 2016.
85. K. A. Quintana, P. J. Gonzalez, K. Bao, and Stavros V Georgakopoulos, “Conformal Strongly Coupled Magnetic Resonant Antennas for Wearable Applications,” 2016 USNC-URSI National Radio Science Meeting (NRSM), Boulder, CO, USA, Jan. 6-9, 2016.
86. P. J. Gonzalez, K. A. Quintana and S. V. Georgakopoulos, “Misalignment sensitivity and human body effects on wearable conformal SCMR system,” 2016 International Workshop on Antenna Technology (iWAT), Cocoa Beach, FL, 2016, pp. 89-91, doi: 10.1109/IWAT.2016.7434810.
87. P. J. Gonzalez, K. A. Quintana, K. Bao and S. V. Georgakopoulos, “Analysis and modeling of Conformal Strongly Coupled Magnetic Resonant devices,” 2016 IEEE 17th Annual Wireless and Microwave Technology Conference (WAMICON), Clearwater, FL, 2016, pp. 1-3, doi: 10.1109/WAMICON.2016.7483840.
88. J. Gibson and S. V. Georgakopoulos, “Reconfigurable antenna using shape memory polymers,” 2016 IEEE International Symposium on Antennas and Propagation (APSURSI), Fajardo, 2016, pp. 1673-1674, doi: 10.1109/APS.2016.7696543.
89. X. Liu, S. Yao, P. Gonzalez and S. V. Georgakopoulos, “A novel ultra-wideband origami reconfigurable quasi-taper helical antenna,” 2016 IEEE International Symposium on Antennas and Propagation (APSURSI), Fajardo, 2016, pp. 839-840, doi: 10.1109/APS.2016.7696128.
90. X. Liu, S. Yao and S. V. Georgakopoulos, “A novel foldable mode reconfigurable cubic patch antenna,” 2016 IEEE International Symposium on Antennas and Propagation (APSURSI), Fajardo, 2016, pp. 1671-1672, doi: 10.1109/APS.2016.7696542.
91. S. Yao, X. Liu, S. V. Georgakopoulos and R. Schamp, “Polarization switchable origami helical antenna,” 2016 IEEE International Symposium on Antennas and Propagation (APSURSI), Fajardo, 2016, pp. 1667-1668, doi: 10.1109/APS.2016.7696540.
92. S. Yao, X. Liu and S. V. Georgakopoulos, “Study and design of Nojima origami conical spiral antenna,” 2016 IEEE International Symposium on Antennas and Propagation (APSURSI), Fajardo, 2016, pp. 1431-1432, doi: 10.1109/APS.2016.7696422.
93. P. J. Gonzalez, K. Bao, K. A. Quintana and S. V. Georgakopoulos, “Compact conformai strongly coupled magnetic resonant devices for medical applications,” 2016 IEEE International Symposium on Antennas and Propagation (APSURSI), Fajardo, 2016, pp. 159-160, doi: 10.1109/APS.2016.7695788.
94. D. Liu and S. V. Georgakopoulos, “Misalignment study of cylindrical SCMR wireless power transfer system,” 2016 IEEE International Symposium on Antennas and Propagation (APSURSI), Fajardo, 2016, pp. 413-414, doi: 10.1109/APS.2016.7695915.
95. H. Hu, D. Liu and S. V. Georgakopoulos, “Miniaturized strongly coupled magnetic resonant systems for wireless power transfer,” 2016 IEEE International Symposium on Antennas and Propagation (APSURSI), Fajardo, 2016, pp. 155-156, doi: 10.1109/APS.2016.7695786.
96. Y. Bonan, K. Bao, C. Flores, K. Baza and S. V. Georgakopoulos, “Efficiency analysis of a conformal SCMR system for wearable devices,” 2017 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting, San Diego, CA, 2017, pp. 1233-1234, doi: 10.1109/APUSNCURSINRSM.2017.8072659.
97. K. Bao and S. V. Georgakopoulos, “Applications of using conformal SCMR system for batteryless wearable sensor device,” 2017 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting, San Diego, CA, 2017, pp. 1295-1296, doi: 10.1109/APUSNCURSINRSM.2017.8072690.
98. H. Hu, K. Bao, D. Liu and S. V. Georgakopoulos, “Multi-device wireless charging based on misalignment insensitive of conformal strongly coupled magnetic resonant system,” 2017 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting, San Diego, CA, 2017, pp. 1305-1306, doi: 10.1109/APUSNCURSINRSM.2017.8072695.
99. H. Hu, K. Bao and S. V. Georgakopoulos, “Miniaturized wireless power transfer systems using 3-D strongly coupled magnetic resonance,” 2017 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting, San Diego, CA, 2017, pp. 1299-1300, doi: 10.1109/APUSNCURSINRSM.2017.8072692.
100. D. Liu and S. V. Georgakopoulos, “Cylindrical topology of SCMR wireless power transfer system,” 2017 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting, San Diego, CA, 2017, pp. 1301-1302, doi: 10.1109/APUSNCURSINRSM.2017.8072693.
101. S. Yao, K. Bao, X. Liu and S. V. Georgakopoulos, “Tunable UHF origami spring antenna with actuation system,” 2017 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting, San Diego, CA, 2017, pp. 325-326, doi: 10.1109/APUSNCURSINRSM.2017.8072205.
102. S. Yao, X. Liu, and S. V. Georgakopoulos, “Rotatable Segmented Helical Antenna with Reconfigurable Polarization,” IEEE Antennas Propagat. Society Internat. Symp., San Diego, CA, Jul. 9-14, 2017.
103. J. Gibson and S. V. Georgakopoulos, “Metallization of LCE helical antenna used for potential RFID,” 2017 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting, San Diego, CA, 2017, pp. 1169-1170, doi: 10.1109/APUSNCURSINRSM.2017.8072627.
104. X. Liu, S. Yao and S. V. Georgakopoulos, “A frequency tunable origami spherical helical antenna,” 2017 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting, San Diego, CA, 2017, pp. 1361-1362, doi: 10.1109/APUSNCURSINRSM.2017.8072723.
105. X. Liu, S. Yao and S. V. Georgakopoulos, “Mode reconfigurable bistable spiral antenna based on kresling origami,” 2017 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting, San Diego, CA, 2017, pp. 413-414, doi: 10.1109/APUSNCURSINRSM.2017.8072249.
106. Liu, Xueli, Yao, Shun, Gibson, John, and Georgakopoulos, Stavros V. “Frequency Reconfigurable QHA Based on Kapton Origami Helical Tube for GPS, Radio and WiMax Applications.” Proceedings of the ASME 2017 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. Volume 5B: 41st Mechanisms and Robotics Conference. Cleveland, Ohio, USA. August 6–9, 2017. V05BT08A056. ASME. https://doi.org/10.1115/DETC2017-68048.
107. X. Liu, S. Yao, N. Russo and S. V. Georgakopoulos, “Reconfigurable Helical Antenna Based on Origami Neoprene with High Radiation Efficiency,” 2018 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting, Boston, MA, 2018, pp. 185-186, doi: 10.1109/APUSNCURSINRSM.2018.8608476.
108. S. Yao, Y. Bonan, Y. Shafiq and S. V. Georgakopoulos, “Rigid Origami based Reconfigurable Conical Spiral Antenna,” 2018 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting, Boston, MA, 2018, pp. 179-180, doi: 10.1109/APUSNCURSINRSM.2018.8608655.
109. X. Liu, S. Yao, N. Russo and S. Georgakopoulos, “Tri-band Reconfigurable Origami Helical Array,” 2018 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting, Boston, MA, 2018, pp. 1231-1232, doi: 10.1109/APUSNCURSINRSM.2018.8608197.
110. K. Bao and S. V. Georgakopoulos, “Efficiency Analyze of Conformal SCMR System for Wearable Applications,” 2018 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting, Boston, MA, 2018, pp. 21-22, doi: 10.1109/APUSNCURSINRSM.2018.8608742.
111. Y. Shafiq, J. Gibson, S. V Georgakopoulos, H. Kim, C. P. Ambulo and T. H. Ware, “A Novel Passive RFID Temperature Sensor Using Liquid Crystal Elastomers,” 2018 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting, Boston, MA, 2018, pp. 2013-2014, doi: 10.1109/APUSNCURSINRSM.2018.8608681.
112. D. Liu, K. Bao, Y. Shafiq and S. V. Georgakopoulos, “Simultaneous Wireless Power and Data Transfer Through Broadband CSCMR,” 2018 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting, Boston, MA, 2018, pp. 2535-2536, doi: 10.1109/APUSNCURSINRSM.2018.8608244.
113. N. E. Russo, C. L. Zekios and S. V. Georgakopoulos, “Capacity Reconfigurable Origami Enabled MIMO Antenna,” 2019 United States National Committee of URSI National Radio Science Meeting (USNC-URSI NRSM), Boulder, CO, USA, 2019, pp. 1-2, doi: 10.23919/USNC-URSI-NRSM.2019.8712870.
114. N. E. Russo, C. L. Zekios and S. V. Georgakopoulos, “An Origami Based Capacity Resilient and Reconfigurable MIMO System,” 2019 International Applied Computational Electromagnetics Society Symposium (ACES), Miami, FL, USA, 2019, pp. 1-2.
115. S. V. Georgakopoulos, “Reconfigurable Origami Antennas,” 2019 International Applied Computational Electromagnetics Society Symposium (ACES), Miami, FL, USA, 2019, pp. 1-2.
116. M. R. Khan, C. L. Zekios, S. V. Georgakopoulos and S. Bhardwaj, “Automated CAD and Modeling of Origami Structures for Reconfigurable Antenna Applications,” 2019 International Applied Computational Electromagnetics Society Symposium (ACES), Miami, FL, USA, 2019, pp. 1-2.
117. M. Hamza, C. L. Zekios and S. V. Georgakopoulos, “Thick Origami Based Foldable Patch Antenna Array,” IEEE International Workshop on Antenna Technology (iWAT), Miami, FL, USA, 2019.
118. N. E. Russo, C. L. Zekios, and S. V. Georgakopoulos, “A Study of the Radiation Characteristics of an Origami Enabled MIMO Antenna,” IEEE International Workshop on Antenna Technology (iWAT), Miami, FL, USA, 2019.
119. A. Biswas, C. L. Zekios and S. V. Georgakopoulos, “A Tilted Jerusalem-Cross FSS On A Miura-Ori,” IEEE International Workshop on Antenna Technology (iWAT), Miami, FL, USA, 2019.
120. N. E. Russo, C. L. Zekios and S. V. Georgakopoulos, “A Capacity Reconfigurable Multimode Origami MIMO Antenna,” 2019 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, Atlanta, GA, USA, 2019, pp. 411-412, doi: 10.1109/APUSNCURSINRSM.2019.8889073.
121. N. E. Russo, C. L. Zekios and S. V. Georgakopoulos, “Origami Multimode Ring Antenna Based on Characteristic Mode Analysis,” 2019 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, Atlanta, GA, USA, 2019, pp. 2037-2038, doi: 10.1109/APUSNCURSINRSM.2019.8888860.
122. G. P. Carrara, N. E. Russo, C. L. Zekios and S. V. Georgakopoulos, “A Deployable and Reconfigurable Origami Antenna for Extended Mobile Range,” 2019 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, Atlanta, GA, USA, 2019, pp. 453-454, doi: 10.1109/APUSNCURSINRSM.2019.8889294.
123. M. Hamza, C. L. Zekios and S. V. Georgakopoulos, “A Tightly Coupled Array Loaded On a Miura-Ori Pattern,” 2019 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, Atlanta, GA, USA, 2019, pp. 1143-1144, doi: 10.1109/APUSNCURSINRSM.2019.8889086.
124. A. Biswas, M. Hamza, C. L. Zekios and S. V. Georgakopoulos, “Radar Cross Section Reduction of A Foldable Microstrip Patch Array,” 2019 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, Atlanta, GA, USA, 2019, pp. 1695-1696, doi: 10.1109/APUSNCURSINRSM.2019.8888954.
125. A. Biswas, C. L. Zekios and S. V. Georgakopoulos, “A Dual-Band Origami FSS,” 2019 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, Atlanta, GA, USA, 2019, pp. 2023-2024, doi: 10.1109/APUSNCURSINRSM.2019.8888873.
126. M. R. Khan, C. L. Zekios, S. Bhardwaj and S. V. Georgakopoulos, “Origami-Enabled Frequency Reconfigurable Dipole Antenna,” 2019 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, Atlanta, GA, USA, 2019, pp. 901-902, doi: 10.1109/APUSNCURSINRSM.2019.8889002.
127. Zekios, Constantinos L., Liu, Xueli, Moshtaghzadeh, Mojtaba, Izadpanahi, Ehsan, Radnezhad, Hamid Reza, Mardanpour, Pezhman, and Georgakopoulos, Stavros V. “Electromagnetic and Mechanical Analysis of an Origami Helical Antenna Encapsulated by Fabric.” Proceedings of the ASME 2019 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. Volume 5B: 43rd Mechanisms and Robotics Conference. Anaheim, California, USA. August 18–21, 2019. V05BT07A045. ASME. https://doi.org/10.1115/DETC2019-98072
128. M. S. Masouleh, C. L. Zekios and S. V. Georgakopoulos, “Simultaneous High Data Rate Communication and Highly Efficient Wireless Power Transfer Through a Coplanar Link,” 2019 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, Atlanta, GA, USA, 2019, pp. 1797-1798, doi: 10.1109/APUSNCURSINRSM.2019.8889310.
129. M. S. Masouleh, D. Liu, C. L. Zekios and S. V. Georgakopoulos, “Wireless Power Transfer and High Data Rate Communication Using Load-Shift Keying Modulation,” 2019 International Workshop on Antenna Technology (iWAT), Miami, FL, USA, 2019, pp. 166-168, doi: 10.1109/IWAT.2019.8730571.
130. M. Hamza, C. L. Zekios and S. V. Georgakopoulos, “A Thick Origami Four-Patch Array,” 2019 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, Atlanta, GA, USA, 2019, pp. 1141-1142, doi: 10.1109/APUSNCURSINRSM.2019.8888513.
131. A. Nuñez, E. Alwan and S. V. Georgakopolous, Ultra-Wideband Frequency Reconfigurable RF Front-End with Bandwidth Tunability. IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting, Atlanta, GA, USA, 2019.
132. A. Nunez, S. Georgakopoulos and E. A. Alwan, “Hinged Microstrip Quasi-FIR Filter for Physically Reconfigurable Antennas,” 2020 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting, 2020, pp. 69-70, doi: 10.1109/IEEECONF35879.2020.9329597.
133. S. V. Georgakopoulos, and Constantinos L. Zekios, “An Overview of Origami Antennas, 2020 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting, Montréal, Québec, Canada, 2020. [accepted]
134. A. -S. Kaddour, C. L. Zekios and S. V. Georgakapoulos, “A Reconfigurable Origami Reflectarray,” 2020 14th European Conference on Antennas and Propagation (EuCAP), Copenhagen, Denmark, 2020, pp. 1-4, doi: 10.23919/EuCAP48036.2020.9135383.
135. A. -S. Kaddour, C. A. Velez and S. V. Georgakopoulos, “A Deployable and Reconfigurable Origami Reflectarray Based on the Miura-Ori Pattern,” 2020 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting, 2020, pp. 91-92, doi: 10.1109/IEEECONF35879.2020.9329994.
136. G. P. Carrara, C. L. Zekios and S. V. Georgakopoulos, “Dispersion Characteristics of Bent Radiating Waveguides,” 2020 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting, 2020, pp. 477-478, doi: 10.1109/IEEECONF35879.2020.9330134.
137. G. P. Carrara, M. Hamza, C. L. Zekios and S. V. Georgakopoulos, “A Thick Origami Traveling Wave Antenna,” 2020 International Applied Computational Electromagnetics Society Symposium (ACES), 2020, pp. 1-2, doi: 10.23919/ACES49320.2020.9196171.
138. G. Carrara, R. Sendrea, N. E. Russo, C. L. Zekios, and S. V. Georgakopoulos, “A Deployable and Reconfigurable Origami Antenna for Extended Mobile Range,” 2020 Emerging Researchers National (ERN) Conference in STEM, Washington D.C. (first-place award in the undergraduate poster presentation category)
139. D. I. Lialios, C. L. Zekios, and S. V. Georgakopoulos, “Design of a mm-Wave Double-Sided Substrate Blass Matrix Beamforming Network,” 2020 IEEE Wireless & Microwave Technology Conference, [accepted]
140. D. Lialios et al., “A mm-Wave True-Time-Delay Beamformer Architecture based on a Blass Matrix Topology,” 2020 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting, 2020, pp. 1609-1610, doi: 10.1109/IEEECONF35879.2020.9329535.
141. M. R. Khan, C. L. Zekios, S. Bhardwaj and S. V. Georgakopoulos, “Multi-Objective Optimization of an Origami Yagi-Uda Antenna Using an Adaptive Fitness Function,” 2020 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting, 2020, pp. 2039-2040, doi: 10.1109/IEEECONF35879.2020.9329600.
142. B. Gonzalez, R. Sendrea, N. Russo, C. L. Zekios, and S. V. Georgakopoulos, “Optimization of Origami Antennas,” 2020 Emerging Researchers National (ERN) Conference in STEM, Washington D.C.
143. R. Sendrea, G. Carrara, N. Russo, C. L. Zekios, and S. V. Georgakopoulos, “RF Connectors for Origami Antennas,” 2020 Emerging Researchers National (ERN) Conference in STEM, Washington D.C.
144. R. Sendrea, C. L. Zekios, and S. V. Georgakopoulos, “Surrogate Modeling of Origami Antennas,” 2020 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting, Montréal, Québec, Canada, 2020. [accepted]
145. N. E. Russo, C. L. Zekios and S. V. Georgakopoulos, “A Quad-Band MIMO Patch Antenna,” 2020 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting, 2020, pp. 1975-1976, doi: 10.1109/IEEECONF35879.2020.9330326.
146. N. E. Russo, C. L. Zekios, and S. V. Georgakopoulos, “A Novel Channel Model for Clustered CubeSat Communication,” 2020 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting, Montreal, QC, Canada, 2020, pp. 1741-1742, doi: 10.1109/IEEECONF35879.2020.9329904.
147. A. Biswas, C. L. Zekios and S. V. Georgakopoulos, “An Origami Inspired Polarization-Insensitive FSS,” 2020 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting, 2020, pp. 881-882, doi: 10.1109/IEEECONF35879.2020.9329813.
148. M. Hamza, C. L. Zekios and S. V. Georgakopoulos, “An Ultra-Wideband Dually Polarized Transmitarray,” 2020 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting, 2020, pp. 479-480, doi: 10.1109/IEEECONF35879.2020.9329494.
149. G. Perez-Greco, J. Barreto, A. -S. Kaddour and S. V. Georgakopoulos, “Enhancing the Performance of Wearable Wireless Power Transfer Systems,” 2020 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting, 2020, pp. 1541-1542, doi: 10.1109/IEEECONF35879.2020.9330500.
150. G. Perez-Greco, J. Barreto, A. -S. Kaddour and S. V. Georgakopoulos, “Effects of the Human Body on Wearable Wireless Power Transfer Systems,” 2020 International Applied Computational Electromagnetics Society Symposium (ACES), 2020, pp. 1-2, doi: 10.23919/ACES49320.2020.9196141.
151. J. C. Barreto, A. S. Kaddour and S. V. Georgakopoulos, “Conformal Strongly Coupled Magnetic Resonant Systems with Extended Range,” 2020 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting, Montréal, Québec, Canada, 2020. [accepted]
152. J. Barreto, A. -S. Kaddour and S. V. Georgakopoulos, “WPT Systems on Ferromagnetic Substrates with Enhanced Performance,” 2020 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting, 2020, pp. 1337-1338, doi: 10.1109/IEEECONF35879.2020.9330258.
153. C. Velez, A. S. Kaddour, and S. V. Georgakopoulos, “’Comparison of Origami Reflectarrays with Different Unit-Cells on the Miura-Ori Pattern,” 2020 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting, Montréal, Québec, Canada, 2020. [accepted]
154. A. -S. Kaddour, M. Hamza and S. V. Georgakopoulos, “Reconfigurable and Foldable Monolithic Reflectarray,” 2020 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting, Montreal, QC, Canada, 2020, pp. 1733-1734, doi: 10.1109/IEEECONF35879.2020.9330325.
155. A. -S. Kaddour and S. V. Georgakopoulos, “A Beam-Steerable Rollable Reflectarray,” 2020 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting, Montreal, QC, Canada, 2020, pp. 545-546, doi: 10.1109/IEEECONF35879.2020.9330191.
156. A. J. Rubio, A. -S. Kaddour and S. V. Georgakopolous, “Circularly Polarized Wideband Yagi-Uda Array on a Kresling Origami Structure,” 2020 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting, 2020, pp. 1805-1806, doi: 10.1109/IEEECONF35879.2020.9329961.
157. A. J. Rubio, A. -S. Kaddour, S. V. Georgakopoulos, C. Ynchausti, S. Magleby and L. L. Howell, “A Deployable Hexagonal Reflectarray Antenna for Space Applications,” 2021 United States National Committee of URSI National Radio Science Meeting (USNC-URSI NRSM), 2021, pp. 136-137, doi: 10.23919/USNC-URSINRSM51531.2021.9336518.
158. N. E. Russo, C. L. Zekios, S. V. Georgakopoulos, H. S. An, A. K. Mishra and R. F. Shepherd, “Design and Fabrication of an Origami Multimode Ring Antenna,” 2021 United States National Committee of URSI National Radio Science Meeting (USNC-URSI NRSM), Boulder, CO, USA, 2021, pp. 246-247, doi: 10.23919/USNC-URSINRSM51531.2021.9336435.
159. M. R. Khan, S. Bhardwaj, C. L. Zekios, and S. V. Georgakopoulos, “Random Forest-Based Surrogate Modeling in RF Optimizations,” 2021 USNC-URSI National Radio Science Meeting (NRSM), Boulder, CO, USA, 2021, pp. 99.
160. A. J. Rubio, A. -S. Kaddour, S. V. Georgakopoulos, “An Origami-Inspired Foldable Reflectarray on a Straight-Major Square-Twist Pattern.” WAMICON 2021. [accepted]
161. C. A. Velez, A. Kaddour, D. S. Bolanos, C. Ynchausti, S. P. Magleby, L. L. Howell, S. V. Georgakopoulos, “Reconfigurable and Deployable Miura-Ori RA Analysis for Satellites Applications”, WAMICON 2021. [accepted]
162. C. A. Velez, A. Kaddour, C. Ynchausti, S. P. Magleby, L. L. Howell, S. V. Georgakopoulos, “Deployable and Reconfigurable Miura-Ori Reflectarray Aperture for Mission Flexible Satellite Applications”, 2021 Texas Symposium on Wireless and Microwave Circuits and Systems (WMCS) , TX, USA, 2021. [accepted]
163. R. Matos, A.-S. Kaddour, N. Pala, and S. Georgakopoulos “Reflectarrays with Ultra-Reconfigurable VO2 Unit-Cells for Next-Generation Communication Systems” 2021 IEEE Texas Symposium on Wireless and Microwave Circuits and Systems (WMCS), May 18-20,2021. [accepted]
164. A. Biswas, C. L. Zekios and S. V. Georgakopoulos, “An Ultra-Wideband Origami Microwave Absorber” WAMICON 2021. [accepted]
165. M. Hamza, C. L. Zekios and S. V. Georgakopoulos, “A Physically Reconfigurable 1×8 Monolithic Thick Origami Array” WAMICON 2021. [accepted]

Chapters in Books:

1. C. A. Balanis, C. D. Katsibas and S. V. Georgakopoulos, “Wireless Mobile Antennas and Cosite Interference in Communication Systems,” pp. 231-240, in Applied Computational Electromagnetics: State of the Art and Future Trends (Eds: N. K. Uzunoglu, K. S. Ninita and D. I. Kaklamani), Springer, 2000.
2. M. M. Tentzeris, R. Vyas, Wei Wei, Y. Kawahara, Li Yang, S. V. Georgakopoulos, V. Lakafosis, S. Kim, Hoseon Lee, Taoran Le, S. Mukala and A. Traille, “Powering Issues in Biomedical Telemetry”, Handbook of Biomedical Telemetry (Ed: K. S. Nikita), Wiley-IEEE Press, 2014.
3. S. V. Georgakopoulos, Xueli Liu and Shun Yao, “Origami Antennas”, in Antenna Engineering Handbook, 5th Edition (Ed: J. Volakis), McGraw-Hill Education, 2018.

Issued Patents:

1. Georgakopoulos, S. V., Tentzeris, E., and Cook, B., Origami Folded Antennas. USPTO Utility Patent US 9,214,722 (date of patent 12/15/2015).
2. Georgakopoulos, S. V., and Tentzeris, E., Misalignment Insensitive Wireless Power Transfer. USPTO Utility Patent US 9,406,435 (date of patent 8/2/2016).
3. Georgakopoulos, S. V., Jonah, O., and Tentzeris, E., Multi-Band and Broadband Wireless Power Transfer through Embedded Geometric Configurations. USPTO Utility Patent US 9,466,418 (date of patent 10/11/2016).
4. Georgakopoulos, S. V., and Tentzeris, E., Wireless Power Transfer through Embedded Geometric Configurations. USPTO Utility Patent 9,799,443, (date of patent 10/24/2017).
5. Georgakopoulos, S. V., Yao, S., Morphing Origami Multi-Functional and Reconfigurable Antennas, USPTO Utility Patent US 9,847,579 B2, (date of patent 12/19/17).
6. Georgakopoulos, S. V., Bao, K., Miniaturized Highly Efficient Wireless Power Transfer Elements Using Multiple Layers of Resonators and/or Tunable Capacitors, USPTO Utility Patent US 9,985,460 (date of patent 05/29/18).
7. Georgakopoulos, S. V., Misalignment Insensitive Wireless Power Transfer with Cylindrical, Spherical and Conical Transmitter and Receiver Elements, USPTO Utility Patent US 9,997,960 (date of patent 06/12/18).
8. Georgakopoulos, S. V., Yao, S., Segmented Helical Antenna with Reconfigurable Polarization, USPTO Utility Patent US 10,020,586 (date of patent 07/10/18).
9. Georgakopoulos, S. V., Smart Clothes with Wireless Power Transfer and Sensing Capabilities, USPTO Utility Patent US 10,038,345 (date of patent 7/31/18).
10. Georgakopoulos, S. V., Liu, X., Origami-Folded Antennas and Methods for Making the Same, USPTO Utility Patent US 10,181,650 (date of patent 01/15/19).
11. Georgakopoulos, S. V., Misalignment Insensitive Wireless Power Transfer with Cylindrical, Spherical and Conical Transmitter and Receiver Elements, USPTO Utility Patent US 10,291,076 (date of patent 05/14/19).
12. Georgakopoulos, S. V., Liu, X., Foldable, Deployable and Reconfigurable Origami Antennas Using Fabric, Textile or Other Material Encapsulation and/or Scaffolding, USPTO Utility Patent US 10,347,962 (date of patent 07/09/19).
13. Zekios, C. L., Georgakopoulos, S. V., Reconfigurable and Foldable Multimode MIMO Antenna, USPTO Utility Patent US 10,658,741 (date of patent 5/19/2020).
14. Georgakopoulos, S. V., Robotic Intelligent Antennas, USPTO Utility Patent US 10,680,326 (date of patent 6/09/2020).
15. Georgakopoulos, S. V., Liu, X., Origami-Folded Antennas and Methods for Making the Same, USPTO Utility Patent US 10,700,436 (date of patent 06/30/2020).
16. Zekios, C. L., Georgakopoulos, S. V., Russo, N. E., Foldable, Deployable and Reconfigurable MIMO antenna arrays, USPTO Utility Patent US 10,756,412 (date of patent 08/25/2020).
17. Kaddour, A. S., Georgakopoulos, S. V., Scrolling Reconfigurable Arrays, USPTO Utility Patent US 10,833,404 (date of patent 11/10/2020).
18. Zekios, C. L., Georgakopoulos, S. V., Biswas, A., Reconfigurable Origami Passive Arrays, USPTO Utility Patent US 10,833,392 (date of patent 11/10/2020).
19. Kaddour, A. S., Zekios, C. L., Georgakopoulos, S. V., Reconfigurable Arrays With Foldable Panels, USPTO Utility Patent US 10,854,971(date of patent 12/01/2020).
20. Kaddour, A. S., Georgakopoulos, S. V., Reconfigurable Rotational Reflectarrays, USPTO Utility Patent US 10,910,713 (date of patent 02/02/2021).
21. Zekios, C. L., Georgakopoulos, S. V., Russo, N. E., Multiple Input Multiple Output Antenna Devices, USPTO Utility Patent US 10,910,691 (date of patent 02/02/2021).
22. S. V. Georgakopoulos, Y. Shafiq, Passive RFID Temperature Sensors with Liquid Crystal Elastomers, USPTO Utility Patent US 10,909,438 (date of patent 02/02/2021).
23. Kaddour, A. S., Zekios, C. L., Georgakopoulos, S. V., Reconfigurable Arrays With Multiple Unit Cells, USPTO Utility Patent US 10,931,022 (date of patent 02/23/2021).
24. Georgakopoulos, S. V., and Yao. S., Foldable and Reconfigurable Antennas, Arrays, and Frequency Selective Surfaces with Rigid Panels, USPTO Utility Patent US 10,938,109 (date of patent 01/14/2021).

Pending Patents:

1. Georgakopoulos, S. V., Simultaneous Wireless Power and Data Transfer System, USPTO Utility Patent Application Serial No. 16/677,196 (filed on 11/07/2019).
2. Zekios, C. L., Georgakopoulos, S. V., Hamza, M., Reconfigurable Thick Origami Arrays/Reflectarrays/Transmitarrays with Foldable and Deployable Characteristics, USPTO Utility Patent Application Serial No. 16/680,673 (filed on 11/12/2019).