Conference Abstracts

  1. O. M. Ramahi, “Harvesting the Energy of the Electromagnetic Wave—From Tesla to THz and Beyond," The 4th International Conference on Millimeter Waves and Terahertz Technology, Tehran, Iran, December 20-22, 2016.  (Keynote talk)
  2. O. M. Ramahi, T. Almoneef, B. Alavikia and A. Ashoor, “Metasurfaces for Far-Field Wireless Power Transfer,” META15, the Sixth International Conference on Metamaterials, Photonic Crystals and Plasmonics, New York, NY, USA, August 4-7, 2015. (Invited).
  3. O. M. Ramahi, B. Alavikia and A. Kabiri, “Poynting theorem and its implication on the signs of the imaginary parts of the electromagnetic constitutive parameters in passive metamaterial,” META’15, the Sixth International Conference on Metamaterials, Photonic Crystals and Plasmonics, New York, NY, USA, August 4-7, 2015. (Invited).
  4. O. M. Ramahi, T. Almoneef, B. Alavikia, and A. Ashoor, “Metasurfaces for Far-Field Wireless Power Transfer,” ISSTC 2015, Kushadasi, Turkey, May 11-13, 2015. (Invited).
  5. O. M. Ramahi, Electromagnetic Energy Harvesting in the Microwaves and Infrared Frequency Regimes, MICEEI 2014, Makassar, Indonesia, November 26-30, 2014. (Keynote Talk).
  6. O. M. Ramahi, T. Almoneef and M. AlShareef, “Harvesting Energy using Metamaterials,” META’14, the Fifth International Conference on Metamaterials, May 20-23, 2014, Singapore. (Invited).
  7. O. M. Ramahi, A. Albishi and M. S. Boybay, “Split Ring Resonators as Selective Heaters,” in Proc., 2012 IEEE Antennas and Propagation Society/URSI International Symposium, Chicago, IL, July 8-14, 2012.
  8. M. Bait Suwailam and O. M. Ramahi, “Electromagnetic Coupling Reduction between High-Profile Antennas using Electromagnetic Bandgap (EBG) Structures,” in proceeding, IEEE Antennas and Propagation Society International Symposium and USNC/URSI National Radio Science Meeting, San Diego, CA, July 5-12, 2008.
  9. B. Yang, X. Shao, N. Goldsman, O. M. Ramahi, and P. N. Guzdar, “Full Wave Modeling of Substrate Doping Effects and Non ideal Conductors in Integrated Circuit Interconnects,”  International Semiconductor Device Research Symposium, Bethesda, MD, Dec. 7-9, 2005, pp. 368-369.
  10. O. M. Ramahi, “Electromagnetic Band Gap Technology for Noise Mitigation,” in Proc., First International Workshop on SOP, SIP, SOC Electronics Technologies, Atlanta, GA, Sept. 22-23, 2005. (Invited paper)
  11. B. Mohajer-Iravani and O. M. Ramahi, “New EMI Shielding Approaches using Electromagnetic Bandgap Structures,” in Proc., IEEE Antennas and Propagation Society/URSI International Symposium, Monterey, CA, June 22-27, 2004.
  12. X. Wu and O. M. Ramahi, “Concurrent complementary operators method for finite element simulation,” in Proc., The 7th International Workshop on Finite Elements for Microwave Engineering, Madrid, Spain, May 20-21, 2004.
  13. O. M. Ramahi, S. Shahparnia, B. Mohajer-Iravani, and Telesphor Kamgaing, “Noise Mitigation in High-Speed Systems using Electromagnetic High-Impedance Surfaces,” in Proc., 2003 International Semiconductor Device Research Symposium, Washington, DC, December 10-12, 2003, pp. 296-297.
  14. X. Wu and O. M. Ramahi, “Mitigation of PCB radiation through novel mesh fencing techniques,” in Proc., IEEE Antennas and Propagation Society/URSI International Symposium, Columbus, OH, June 22-27, 2003.
  15. X. Wu and O. M. Ramahi, “Frequency-domain concurrent complementary operators method (C-COM) for finite element simulations,” in Proc., IEEE Antennas and Propagation Society/URSI International Symposium, Columbus, OH, June 22-27, 2003.
  16. X. Shao, O. M. Ramahi, L. Li, B. Mohajeriravani, and Neil Goldsman “Study of electromagnetic field radiation from apertures using the alternating-direction implicit finite-difference time–domain (ADI-FDTD) method”, in Proc., IEEE Antennas and Propagation Society/URSI International Symposium, Columbus, OH, June 22-27, 2003.
  17. X. Shao, N. Goldsman, and O. M. Ramahi, “ The alternating-direction implicit finite-difference time –domain (ADI-FDTD) method and its application to simulation of scattering from highly conductive material,” in Proc., IEEE Antennas and Propagation Society/URSI International Symposium, Columbus, OH, June 22-27, 2003.
  18. O. M. Ramahi, and S. Trabelsi, “Dielectric measurements and sensors: The excitement and challenges ahead,” in Proc., IEEE Antennas and Propagation Society/URSI International Symposium, Columbus, OH, June 22-27, 2003.
  19. X. Wu and O. M. Ramahi, “Frequency-domain concurrent complementary operators method (C-COM) for finite element simulations,” in Proc., IEEE Antennas and Propagation Society/URSI International Symposium, Columbus, OH, 22-27, 2003.
  20. O. M. Ramahi and X. Wu, “Investigation, analysis, and elimination of ABC-induced instability in FDTD simulation”, in Proc., IEEE Antennas and Propagation Society/URSI International Symposium, San Antonio, TX, pp. 247, June 16-21, 2002.
  21. L. Li, O. M. Ramahi, and B. Archambeault, “Cavity resonance analysis and mitigation based on S-parameter Simulation using FDTD”, in Proc., IEEE Antennas and Propagation Society/URSI International Symposium, San Antonio, TX, pp. 97, June 16-21, 2002.
  22. G. DeJean, N. Bushyager, E. M. Tentzeris, and O. M. Ramahi, “Review and comparison of absorbing boundary conditions for multiresolution time-domain (MRTD) schemes”, in Proc., IEEE Antennas and Propagation Society/URSI International Symposium, San Antonio, TX, June 16-21, 2002.
  23. S. Trabelsi, O. M. Ramahi, and M. Salah, “Microstrip antennas for measurements of dielectric properties and moisture of grain,” in Proc., IEEE Antennas and Propagation Society/URSI International Symposium, San Antonio, TX, June 16-21, 2002.
  24. V. Chebolu and O. M. Ramahi, “The Concurrent complementary operators method applied to the finite difference frequency domain (FDFD) simulation of scattering problems,” in Proc., IEEE Antennas and Propagation Society/URSI International Symposium, San Antonio, TX, June 16-21, 2002.
  25. O. M. Ramahi,, R. Thakker, and S. Trabelsi,  “Phased-array radar for breast cancer detection,” in Proc.,  IEEE Antennas and Propagation Society International Symposium, Boston, MA, July 8-13, 200
  26. V.L. Granatstein, S. Anlage, T.M. Antonsen Jr., Y. Carmel, N. Goldsman, A Iliadis, B. Jacob, J. Melngalis, P. O’Shea, E. Ott, O. M. Ramahi, J. Rodgers, R.J. Baker, and D.P. Chernin, “Microwave effects and chaos in 21st century analog and digital electronics,” in Proc., the Tenth National Conference on High Power Microwave Technology, Applied Physics Laboratory of Johns Hopkins University, Laurel, MD, April 3-5, 2001.
  27. X. Zheng, E Ott, T. Antonsen, S. Anlage, and O. Ramahi, “Statistical properties of wave chaotic scattering matrices,” in Proc., the Tenth National Conference on High Power Microwave Technology, Applied Physics Laboratory of Johns Hopkins University, Laurel, MD, April 3-5, 2001.
  28. V. L. Granatstein,  S. Anlage, T. M. Antonsen, Jr., Y. Carmel, N. Goldsman, A. A. Iliadis, B. Jacob, J. Melngalis, E. Ott, O.  M. Ramahi, J. Rodgers, and R. J. Baker, ”Studies of the effects of HPM and chaos on integrated electronics,” in Proc., Tenth National Conference on High Power Microwave Technology, Applied Physics Laboratory of Johns Hopkins University, Laurel, MD, April 3-5, 2001.
  29. O. M. Ramahi, S. Trabelsi, and S. O. Nelson, “Microstrip antennas for dielectric properties measurements and moisture content sensing,” in Proc., Progress in Electromagnetics Research Symposium, Cambridge, MA., July 5-14 2000.
  30. G. Amendola, G. Cappuccino, and O. M. Ramahi, “FDTD analysis of power dissipation in VLSI lossy interconnects,” in Proc., Progress in Electromagnetics Research Symposium, Cambridge, MA, July 5-14, 2000.
  31. O. M. Ramahi, “Concurrent implementation of complementary operators in frequency domain methods,” in Proc., Progress in Electromagnetics Research Symposium, Cambridge, Mass., July 5-14 2000.
  32. O. M. Ramahi, “FDTD analysis of conventional and novel delay lines,” in Proc., Progress in Electromagnetics Research Symposium, Cambridge, MA, July 5-14, 2000. 
  33. O. M. Ramahi and O. Franza, “Dynamic modeling of power distribution grids using the FDTD method,” in Proc., Progress in Electromagnetics Research Symposium, Cambridge, MA, July 5-14 2000. 
  34. O. M. Ramahi, “Finite element implementation of Bayliss-Turkel boundary operators in the three-dimensional vector wave equation,” in proceedings, IEEE Antennas and Propagation Society International Symposium, Orlando, FL, July 11-16, 1999.
  35. O. M. Ramahi “Absorbing boundary conditions for convex object-conformable boundaries,” in proceedings,  IEEE Antennas and Propagation Society International Symposium, Orlando, FL, July 11-16, 1999.
  36. O. M. Ramahi, “Absorbing boundary conditions for convex object-conformable boundaries,” in proceedings,  15th Annual Review of Progress in Applied Computational Electromagnetics meeting, Monterey, CA, March 15-19, 1999.]
  37. O. M. Ramahi, “The Application of the complementary operators theory to non-analytic boundary conditions and unstaggered FDTD mesh,” in Proc., Progress in Electromagnetics Research Symposium, Nantes, France, July 13-17, 1998.
  38. O. M. Ramahi, “Exact implementation of higher-order Bayliss-Turkel absorbing boundary conditions in finite element simulation,” in Proc., URSI Radio Science Meeting, Atlanta, Georgia, June 21-26, 1998.
  39. O. M. Ramahi, “Exact implementation of higher-order Bayliss-Turkel absorbing boundary conditions in finite element simulation,” in Proc., Fourth International Workshop on Finite Elements for Microwave Engineering, Poitiers, France, July 10-11, 1998.
  40. O. M. Ramahi and B. R. Archambeault, “An effective hybrid FDTD-MoM technique to predict radiation from enclosures,” in Proc., URSI Radio Science Meeting, Atlanta, GA, June 21-26, 1998.
  41. O. M. Ramahi, “Exploring the cause of instabilities arising from the application of higher order ABCs in FDTD simulation,” in Proc., URSI Radio Science Meeting, Atlanta, GA, June 21-26, 1998.
  42. O. M. Ramahi, “Extension of the concurrent complementary operators theory to numerical boundary conditions,” in Proc., URSI Radio Science Meeting, Atlanta, Georgia, June 21-26, 1998.
  43. O. M. Ramahi, “Towards a more perfect time domain absorbing boundary condition,” in Proc., Progress in Electromagnetics Research Symposium, Cambridge, MA, July 7-11, 1997.
  44. O. M. Ramahi, “Efficient characterization of microstrip structures using higher order boundary operators,” in Proc., URSI Radio Science Meeting, Montreal, Canada, July 13-18, 1997.
  45. O. M. Ramahi, “Concurrent implementation of the complementary operators method,” in proceedings, URSI Radio Science Meeting, Montreal, Canada, July 13-18, 1997.
  46. O. M. Ramahi, “Field extension using Kirchhoff's surface integral representation,” in proceedings, URSI Radio Science Meeting, Baltimore, MD, July 21-26, 1996.
  47. O. M. Ramahi and R. Mittra, “A systematic approach to improving the solution based on the absorbing boundary condition,” in Proc., URSI Radio Science Meeting, Syracuse, New York, June 6-10, 1988.
  48. O. M. Ramahi and Synthia Furse, “Near and far field extension algorithms in FDTD analysis,” in Proc., Progress in Electromagnetics Research Symposium, Cambridge, MA, July 7-11, 1997.
  49. O. M. Ramahi and C. Brench, “On the modeling of primary sources in FDTD simulations,” in Proc., Progress in Electromagnetics Research Symposium, Hong Kong, January 6-9, 1997.
  50. O. M. Ramahi, A. Z. Elsherbeni and C. Smith, “FDTD analysis of multi-conductor V lines,” in proceedings, Progress in Electromagnetics Research Symposium Proceedings, Hong Kong, January 6-9, 1997.
  51. Z. Elsherbeni, O. M. Ramahi, and C. E. Smith, “FDTD analysis of new types of microstrip transmission lines for high frequency applications,” in Proc., Progress in Electromagnetics Research Symposium, Innsbruck, Austria, July 8-12, 1996.
  52. O. M. Ramahi, “On the stability of absorbing boundary conditions,” in Proc., Progress in Electromagnetics Research Symposium, Innsbruck, Austria, July 8-12, 1996.
  53. O. M. Ramahi, “Application of the complementary boundary operators in the FDTD solution of planar and printed circuits problems,” in Proc., Progress in Electromagnetics Research Symposium, Seattle, Washington, July 24-28, 1995.
  54. O. M. Ramahi, “Complementary operators: a method to annihilate artificial reflections arising from the truncation of the computational domain in the solution of partial differential equations,” in proceedings, URSI Radio Science Meeting, Newport Beach, California, June 18-23, 1995.
  55. O. M. Ramahi, “Complementary operators: a method to truncate the computational domain of open region radiation problems,” in proceedings, Progress in Electromagnetics Research Symposium, Seattle, Washington, July 24-28, 1995.
  56. O. M. Ramahi, “Highly accurate absorbing boundary conditions in finite difference time domain applications for EMC simulations,” in proceedings, International Symposium on Electromagnetic Compatibility, Rome, Italy, September 13-16, 1994.
  57. O. M. Ramahi, “Efficient analysis of a class of unbounded geometries using the finite difference time domain method,” in Proc., Progress in Electromagnetics Research Symposium, European Space Research and Technology Center, ESTEC, Noordwijk, the Netherlands, July 11-15, 1994.
  58. O. M. Ramahi and R. Mittra, “Numerically-derived absorbing boundary conditions for the solution of open region scattering problems,” in proceedings, IEEE Antennas and Propagation Society International Symposium, Dallas, Texas, May 7-11, 1990.
  59. R. Mittra, O. M. Ramahi, A. Khebir, R. Gordon, and A. Kouki, “A review of absorbing boundary conditions for two and three-dimensional electromagnetic scattering problems,” in proceedings, Third Biennial IEEE Conference on Electromagnetic Field Computation, Conference, Bethesda, MD, December 12-14, 1988.
  60. O. M. Ramahi and R. Mittra, “The real frequency method of synthesizing matching networks for HF antennas,” in Proc., IEEE Antennas and Propagation Society International Symposium, Philadelphia, PA, June 8-13, 1986.