Publications

 

Book Chapters:

 

1.    A.C. Cangellaris and R. Lee, “Solution of the two-dimensional Helmholtz equation using the bymoment method,” Integral Methods in Science and Engineering-90, pp. 249-259, 1991.

2.    R. Lee and A.C. Cangellaris, “Scattering from an arbitrary cylinder in the presence of a parallel planar media interface using the bymoment method,” Progress in Electromagnetic Research, Vol. 4, Elsevier Science Pub., pp. 345-372, 1991.

 

 

Papers in Refereed Journals:

 

1989

 

1.    R. Lee, D.G. Dudley, and K.F. Casey, “Electromagnetic coupling by a wire through a circular aperture in an infinite planar screen,” J. of Electromagnetic Waves and Applications, Vol.3, No.4, pp. 281-305, 1989.

 

1990

 

2.    R. Lee and D.G. Dudley, “Transient current propagation along a wire penetrating a circular aperture in an infinite planar conducting screen,“ IEEE Trans. on Electromag. Compatibility, Vol. 32, No.  2, pp. 137-143, May 1990.

3.    D.B. Wright, R. Lee, and D.G. Dudley, “Transient current on a wire penetrating a cavity-backed circular aperture in an infinite screen,” IEEE Trans. on Electromag.  Compatability, Vol. 32, No. 3, pp. 197-204, August 1990.

4.    A.C. Cangellaris and R. Lee, “The bymoment method for two-dimensional electromagnetic scattering,” IEEE Trans.Antennas and Propagat., AP-38, pp. 1429-1437, September 1990.

5.    R. Lee and A.C. Cangellaris, “Application of the bymoment method to electromagnetic scattering from multiple cylinders,” Radio Science, Vol. 25,No. 5, pp. 731-741, September 1990.

 

1991

 

6.    A.C. Cangellaris and R. Lee, “Finite element analysis of electromagnetic scattering from inhomogeneous cylinders at oblique incidence,” IEEE Trans. Antennas and Propagat., AP-39, pp. 645-650, May 1991.

 

1992

 

7.    D.B. Wright, R. Lee, D.G. Dudley, and K.F. Casey, “Scattering from a cavity-backed circular aperture penetrated by a wire,” IEEE Trans. Electromag. Compatability., Vol. 34, No. 2, pp. 133-136 May 1992.

8.    R. Lee and A.C. Cangellaris, “A study of discretization error in the finite element approximation of wave solutions,” IEEE Trans. Antennas and Propagat., AP-40,pp.~542-549, May 1992.

9.    A.C. Cangellaris and R. Lee, “On the accuracy of numerical wave simulations based on finite methods,'' J. of Electromagnetic Waves and Applications, vol. 6,no. 12, pp.1635-1653, 1992.

 

1993

 

10.  R. Lee and T.T. Chia, “Analysis of electromagnetic scattering from a cavity with a complex termination by means of a hybrid ray-FDTD method,” IEEE Trans. Antennas Propagat., AP-41, pp. 1560-1569, Nov. 1993.

 

1994

 

11.  R. Lee and V. Chupongstimun, “A partitioning technique for the finite element solution of electromagnetic scattering from electrically large dielectric cylinders,” IEEE Trans. Antennas Propagat., AP-42, pp. 737-741, May 1994.

12.  J.O. Jevtic and R. Lee, “On the choice of metrons in the MEI method,''  COMPEL -- Int. Journal Comp. and Math. in Electrical and Electronic Eng., Vol. 13, Supplement A, pp. 217-222, 1994.

13.  J.O. Jevtic and R. Lee, ``A theoretical and numerical analysis of the measured equation of invariance,” IEEE Trans. Antennas Propagat., AP-42, pp. 1097-1105, August 1994.

14.  W.P. Pinello, R. Lee, and A.C. Cangellaris, “Finite element modeling of electromagnetic wave interactions with periodic structures,” IEEE Trans. Microwave Theory and Techniques, MTT-42, pp. 2294-2301, December 1994.

 

1995

 

15.  U. Pekel and R. Lee, “An a posteriori error reduction scheme for the three dimensional finite element solution of Maxwell's equations,'”  IEEE Trans. Microwave Theory and Techniques, MTT-43, pp. 421-427, February 1995.

16.  J.O. Jevtic and R. Lee, “How invariant is the measured equation of invariance?,'' IEEE Microwave and Guided Wave Letters, Vol. 5, pp. 45-47, February 1995.

17.  L. Hamandi, R. Lee, and F. Ozguner, “Review of domain decomposition methods for the implementation of FEM on massively parallel computers,” IEEE Antennas and Propagation Magazine, February, 1995.

18.  A. Bataineh, R. Lee, and F. Ozguner, “Electrical characterization of high-speed interconnects with a parallel three-dimensional finite difference time-domain  algorithm,” SIMULATION, Vol. 64, pp. 289-295, May 1995.

19.  T.L. Barkdoll and R. Lee, “Finite element analysis of bodies of revolution using the measured equation of invariance,” Radio Science, Vol. 30, No. 4, pp. 803-815 July/August 1995.

20.  U. Pekel and R.~Lee, “A 3-D application of the bymoment method for electromagnetic scattering,” Journal of  Electromagnetic Waves and Application, Vol. 9, pp. 973-992, July/August 1995.

21.  T.T. Chia, R.J. Burkholder and R. Lee, “The application of FDTD in hybrid methods for cavity scattering analysis,” IEEE Trans. Antennas and Propagat., AP-43, pp.1082-1090, October 1995.

22.  J.O. Jevtic and R. Lee, “An analytic characterization of the error in the measured equation of invariance,” IEEE Trans. Antennas and Propagat., AP-43, pp. 1109-1115, October 1995.

23.  Z.S. Sacks, D.M. Kingsland, R. Lee, and J.F. Lee, “A perfectly matched anisotropic absorber for use as an absorbing boundary condition,” IEEE Trans. Antennas and Propagat., AP-43, pp. 1460-1463, December 1995.

 

1996

 

24.  J.W. Nehrbass, J.F. Lee, and R. Lee, “Stability analysis for perfectly matched layer absorber,” Electromagnetics, Vol. 16, pp. 385-397, July/August 1996.

25.  R. Lee, Z. Chen, J.O. Jevtic, and J.F. Lee, ``Important considerations in the evaluation of absorbing boundary conditions,'' Electromagnetics, Vol. 16, pp.417-433, July/August 1996.

26.  J.O. Jevtic and R. Lee, “Solenoidal edge elements,” Radio Science, pp. 977-990, July/August 1996.

27.  Y.S. Choi-Grogan, K. Eswar, P. Sadayappan, and R. Lee, “Sequential and parallel implementations of a partitioning finite element method,” IEEE Trans. Antennas and Propagat., AP-44, pp. 1609-1616, Dec. 1996.

 

1997

 

28.  J.Y. Wu, D.M. Kingsland, J.F. Lee, and R. Lee, “A comparison of anisotropic PML to Berenger's PML and its application to the finite element method for EM scattering,” IEEE Trans. Antennas and Propagat., AP-45, pp. 40-50, Jan. 1997.

29.  J.F. Lee, R. Lee, and A.C. Cangellaris, “Time domain finite element methods,” IEEE Trans. Antennas and Propagat., AP-45, pp. 430-442, March 1997.

30.   J.Y. Wu and R. Lee, “The advantages of triangular and tetrahedral edge elements for electromagnetic modeling with the finite element method,” IEEE Trans.Antennas and Propagat., AP-45, pp. 1431-1437. Sept. 1997.

 

1998

 

31.  J.W. Nehrbass, J.O. Jevtic, and R. Lee, “Reducing the phase error in finite difference methods without increasing the order,” IEEE Trans. Antennas and Propagat., AP-46, pp. 1194-1201, August 1998.

 

1999

 

32.  K. Rama Rao, J.W. Nehrbass, and R. Lee, ``Discretization errors in finite methods: issues and possible solutions,” Computer Methods in Applied Mechanics and Engineering, Vol. 169, pp. 219-236, 1999.

33.  K. Rama Rao and R. Lee, ``An optimal edge based finite difference solution to the vector Helmholtz equation in two dimensions,” IEEE Trans. Magnetics, Vol. 35, pp. 1462-1465, May 1999.

34.  E.M. Nassar, R. Lee, and J.D. Young, “A probe for determining the material properties of sea ice,” IEEE Trans. Antennas and Propagat., AP-47, pp.1085-1093, June 1999.

35.  Y. Zhu and R. Lee, “TVFEM analysis of periodic structures for radiation and scattering,” Journal of Electromagnetics Waves and Applications, Vol. 13, pp. 1679-1680, 1999.

36.  A. Kangarlu, B.A. Baertlein, R. Lee, T. Ibrahim, L. Yang, A.M. Abduljalil, and P.M.L. Robitaille, “Dielectric resonance phenomena in ultra high field MRI,'' Journal of Computer Assisted Tomography, Vol. 23, pp. 821-831, November/December 1999.

 

2000

 

37.  J.Y. Wu, J.W. Nehrbass, and R. Lee, “A comparison of PML for TVFEM and FDTD,” Int. Journal of Numerical Modeling Electronics, Vol. 13, pp. 233-244, March-June 2000.

38.  R.D. Slone and R. Lee, “Applying Pade via Lanczos to the finite element method for electromagnetic radiation problems,” Radio Science, Vol. 35, pp. 331-340, March-April 2000.

39.  B.A. Baertlein, O. Ozbay, T.S. Ibrahim, R. Lee, Y. Yu, A. Kangarlu, and P.M.L. Robitaille, “Theoretical model for a MRI radio frequency resonator,” IEEE Trans. Biomedical Engineering, Vol. 47, pp. 535-546, April 2000.

40.  E.M. Nassar, J.T. Johnson, and R. Lee, “A numerical model for electromagnetic scattering from sea ice,” IEEE Trans. Geoscience and Remote Sensing, Vol. 38, pp. 1309-1319, May 2000.

41.  J.W. Nehrbass and R. Lee, ``Optimal finite difference sub-gridding techniques applied to the Helmholtz equation,” IEEE Trans. Microwave Theory Tech., MTT-48, pp. 976-984, June 2000

42.  T.S. Ibrahim, R. Lee, B.A. Baertlein, A. Kangarlu, P.M.L. Robitaille, “Application of finite difference time domain method for the design of birdcage RF head coils using multiport excitations,” Magnetic Resonance Imaging, Vol. 18, pp. 733-742, July 2000.

43.  T.S. Ibrahim, R. Lee, B.A. Baertlein, Y. Yu, and  P.M.L. Robitaille, “Computational analysis of the high pass birdcage resonator: Finite difference time domain simulations for high-field MRI,” Magnetic Resonance Imaging, Vol. 18, pp. 835-843, Sept. 2000.

 

2001

 

44.  T. S. Ibrahim, R. Lee, B. A. Baertlein, and P.-M. L. Robitaille, ``B_1 Field Homogeneity and SAR Calculations in the High Pass Birdcage Coil,''  Physics in Medicine  and Biology, Vol. 46, pp. 609-619, February 2001.

45.  T. S. Ibrahim, R. Lee, A. M. Abduljalil, B. A. Baertlein, A. Kangarlu, R. Gilbert, and P.-M. L. Robitaille, ``Dielectric resonances in UHFMRI: Computational Analysis and Experimental Findings,'' Magnetic Resonance Imaging, Vol. 19, pp. 219-226, Feb. 2001.

46.  T. S. Ibrahim, R. Lee, A. M. Abduljalil, B. A. Baertlein, and P.-M. L. Robitaille, ``Calculations of EM interactions with biological tissue: Magnetic resonance imaging at ultra high field,'' Applied Computational Electromagnetics Journal, Vol. 16, pp. 138-144, 2001.

47.  C. C. Chen, K. Rama Rao, and R. Lee, ``A Tapered-permittivity rod antenna for ground penetrating radar applications,''  J. Applied Geophysics, Vol. 47, pp. 309-316, July 2001.

48.  R. D, Slone, R. Lee, and J. F. Lee, ``Multipoint Galerkin asymptotic waveform evaluation for model order reduction of frequency domain FEM electromagnetic radiation problems,'' IEEE Trans. Antennas and Propagat., AP-49, pp. 1504-1513, Oct. 2001.

49.  T. S. Ibrahim, A. M. Abduljalil, B. A. Baertlein, R. Lee, and P. M. L. Robitaille, “Analysis of B-1 field profiles and SAR values for multi-strut transverse electromagnetic RF coils in high field MRI applications,” Physics in Medicine  and Biology, Vol. 46, pp. 2545-2555 Oct. 2001.

50.  T. S. Ibrahim, R. Lee, and PML. Robitaille, “Effect of RF coil excitation on field inhomogeneity at ultra high fields: a field optimized TEM resonator”, Magnetic Resonance Imaging, Vol. 19, pp. 1339-1347, December 2001.

 

2002

 

51.  R.D. Slone, J.F. Lee, and R. Lee, ``Automating multipoint Galerkin asymptotic waveform evaluation for a finite element fast frequency sweep,'' IEEE Trans. Magnetics, Vol. 38, pp. 637-640, March 2002.

52.  R.D. Slone, J.F. Lee and R. Lee, ``A comparison of some model order reduction techniques,'' Electromagnetics, Vol. 22, pp. 275-289, May-June 2002.

53.  S.M Wang, F.L. Teixeira, R. Lee, and J.F. Lee, ``Optimization of subgridding schemes for FDTD,'' IEEE Microwave and Wireless Component Letters, Vol. 12, pp. 223-225, June 2002.

54.  Y. Srisukh, J. Nehrbass, F.L. Teixeira, J.F. Lee. and R. Lee, “An approach for automatic grid generation in three-dimensional FDTD simulations of complex geometries,” IEEE Ant Propagat. Mag., Vol. 44, pp.75-80, 2002.

 

2003

 

55.  C. Chen, K. Rama Rao, and R. Lee, “A new ultrawide-bandwidth dielectric-rod antenna for ground-penetrating radar applications,” IEEE Tran. Antenna Propagat., AP-51, pp. 371-377, March 2003.

56.  S.C. Lee, J.F. Lee, and R. Lee, “Hierarchical vector finite elements for analyzing waveguiding structures” IEEE Tran. Microwave Theory, MTT-51, pp. 1897-1905, August 2003.

57.  J. F. Lee, R. Lee, and R. J. Burkholder, “Loop star basis functions and a robust preconditioner for EFIE scattering problems,” IEEE Tran Antenna Propagat.,  AP-51, pp. 1855-1863, August 2003.

58.  R. D. Slone, R. Lee, and J.F. Lee, “Well-conditioned asymptotic waveform evaluation for finite elements,” IEEE Tran Antenna Propagat., AP-51, pp. 2442-2447, Sep. 2003.

59.  R. D. Slone, R. Lee, and J.F. Lee, “Broadband model order reduction of polynomial matrix equations using single-point well-conditioned asymptotic waveform evaluation: derivations and theory”, Int. J. Numer. Meth. Eng., Vol. 58, pp. 2325-2342, Dec 2003.

 

2004

 

60.  N. V. Venkatarayalu, C. C. Chen, F. L. Teixeira, and R. Lee, “Numerical modeling of ultrawide-band dielectric horn antennas using FDTD,” IEEE Tran. Antennas Propagat., Vol. 52, pp. 1318-1323, May 2004.

61.  J. F. Lee, R. Lee, and F. Teixeira, “Hierarchical vector finite elements with p-type non-overlapping Schwarz Method for modeling waveguide discontinuities,” CMES-COMP MODEL ENG 5 (5): 423-434 May 2004

62.  K. H. Lee, C. C. Chen, F. L. Teixeira, and R. Lee, “Modeling and investigation of a geometrically complex UWB GPR antenna using FDTD,” IEEE Tran. Antennas Propagat., Vol. 52, pp. 1983-1991, Aug. 2004.

 

2005

 

63.  S. M. Wang, R. Lee, and F. L. Teixeira, “Implicit nonstaggered finite-difference time-domain method,” Microwave and Optical Tech. Letters, Vol 45, pp. 317-319, May 2005

64.  K. H. Lee, C. C. Chen, and R. Lee, ”Novel dual-polarized tapered-chamber feed design concepts,” IEEE Antennas and Propagation Magazine, Vol. 47, pp. 214-218, August 2005.

65.  T. S. Ibrahim, C. Mitchell, P. Schmalbrock, R. Lee, and D. W. Chakeres, “Electromagnetic perspective on the operation of RF coils at 1.5-11.7 Tesla,” Magnetic Resonance in Medicine, Vol. 54, pp. 683-690, Sept. 2005.

 

2006

 

66.  R. A. Chilton and R. Lee, “Chirping unit cell length to increase frozen mode bandwidth in non-reciprocal magnetic photonic crystals,” IEEE Trans. Microwave Theory Tech., Vol 54, pp. 473-480, Jan. 2006.

67.  S. Wang, R. Lee, and F. L. Teixeira, “Anisotropic-medium PML for vector FETD with modified basis functions,” IEEE Trans. Antennas and Propagat., Vol. 54, pp. 20-27, Jan. 2006.

68.  R. Lee, “A note on mass lumping in the finite element time domain method,” IEEE Trans. Antennas and Propagat, Vol. 54, pp. 760-762, Feb. 2006.

69.  T.S. Ibrahim and R. Lee, “Evaluation of MRI RF probes utilizing infrared sensors,” IEEE Trans. Biomedical Eng., Vol. 53, pp. 963-967, May 2006.

 

Proceedings in Conference:

 

1989

 

1.    A.C. Cangellaris and R. Lee, “A finite-element method for solving electromagnetic scattering problems,” IEEE Antennas Propagat. Symp. Digest, San Jose, CA, June 1989.

 

1992

 

2.    W. Pinello and R. Lee, “A finite element solution for electromagnetic scattering from an infinite periodic grating,” IEEE Antennas Propagat. Symp. Digest, Chicago, IL, July 1992.

 

1993

 

3.    R. Lee and T.T. Chia, “A hybrid ray/FDTD method for computing electromagnetic scattering from an engine cavity with a complex termination,” 9th Annual Review of Progress in Applied Computational Electromagnetics, Monterey, CA, March 1993.

 

1994

 

4.    Y.S. Choi-Grogan, R. Lee, K. Eswar, and P. Sadayappan, “The performance of a partitioning finite element method on the Touchstone Delta,” 10th Annual Review of Progress in Applied Computational Electromagnetics, Monterey, CA, March 1994.

5.    A. Bataineh, R. Lee, and F. Ozguner, “Electrical characterization of high-speed interconnects with a parallel three-dimensional finite difference time-domain algorithm,” High Performance Computing '94, Lajolla, CA, April 1994.

6.    R. Lee and J.O. Jevtic, “Several approaches to improving the solution in the measured equation of invariance,” IEEE Antennas Propagat. Symp. Digest, Seattle, WA, June 1994.

7.    L. Hamandi, R. Lee, and F. Ozguner, “A domain decomposition technique for the parallel solution of linear systems of equations resulting from finite element discretization,” International Conference on Electronic Circuits and Systems, Cairo, Egypt, December 1994.

 

1995

 

8.    L. Hamandi, F. Ozguner, and R. Lee, “The performance of the parallel solution of the Quasi-Minimal Residual (QMR) method for 2D mesh architectures,” 11th Annual Review of Progress in Applied Computational Electromagnetics, Monterey, CA, March 1995.

 

1996

 

9.    R. Lee, ``An overview of numerical dispersion error in PDE methods for electromagnetics,” 12th Annual Review of Progress in Applied Computational Electromagnetics, Monterey, CA, March 1996.

10.  Z. Chen and R. Lee, “Adaptive mesh refinement concepts for electromagnetics,” 12th Annual Review of Progress in Applied Computational Electromagnetics, Monterey, CA, March 1996.

11.  J. Nehrbass and R. Lee, “Stability analysis for perfectly matched absorbers,'' Joint AP-S Symposium and URSI Radio Science Meeting, Baltimore, MD, July 1996.

 

1998

 

12.  T.S. Ibrahim, Y. Yu, R. Lee, B.A. Baertlein, A. Kangarlu, and P.~Robitaille, “Finite difference time domain simulations for high-field MRI,” Proc. ISMRM 6th Annual Meeting of International Society of Magnetic Resonance in Medicine, Sydney, Australia, April 1998.

13.  T.S. Ibrahim, R. Lee, B.A. Baertlein, A. Kangarlu, and P.M.L. Robitaille, “Magnetic field homogeneity and SAR issues for high-field MRI,” Proc. ISMRM  6th Annual Meeting of International Society of Magnetic Resonance in Medicine, Sydney, Australia, April 1998.

14.  B.A. Baertlein, O. Ozbay, T.S. Ibrahim, Y. Yu, X. Zang, R. Lee, A. Kangarlu, and P.M.L. Robitaille, “Theoretical model of the MRI TEM resonator,'' Proc. ISMRM 6th Annual Meeting of International Society of Magnetic Resonance in Medicine, Sydney, Australia, April 1998.

 

1999

 

15.  T.S. Ibrahim, R. Lee, B.A. Baertlein, A. Kangarlu, and P.M.L. Robitaille, “SAR and B_1 field homogeneity study at high-field MRI: 3T-9T,” Proc. ISMRM  7th Annual Meeting of International Society of Magnetic Resonance in Medicine, Philadelphia, PA, May 1999.

16.  T.S. Ibrahim, R. Lee, B.A. Baertlein, A. Kangarlu, and P.M.L. Robitaille, “Comparison between linear, quadrature, and 4-port excitations from 1.5 T to 4.7 T,” Proc. ISMRM  7th Annual Meeting of International Society of Magnetic Resonance in Medicine, Philadelphia, PA, May 1999.

17.  T.S. Ibrahim, R. Lee, B.A. Baertlein, A. Kangarlu, and P.M.L. Robitaille, “On the physical feasibility of achieving linear polarization at high field: A study of the birdcage coil,” Proc. ISMRM  7th Annual Meeting of International Society of Magnetic Resonance in Medicine, Philadelphia, PA, May 1999.

18.  T.S. Ibrahim, R. Lee, B.A. Baertlein, A. Kangarlu, and P.M.L. Robitaille, “3-Dimensional full wave analysis for MRI RF coils,” Proc. ISMRM  7th Annual Meeting of International Society of Magnetic Resonance in Medicine, Philadelphia, PA, May 1999.

19.  R. Burgess, L. Yang, X. Zhang, T.S. Ibrahim, B.A. Baertlein, R. Lee, A.M. Abduljalil, A. Kangarlu, P.M.L. Robitaille, “Human Imaging at 8 Tesla,” Proc. ISMRM 7th Annual Meeting of International Society of Magnetic Resonance in Medicine, Philadelphia, PA, May 1999.

20.  A. Kangarlu, L. Yang, B.A. Baertlein, A.M. Abduljalil, X. Zhang, T.S. Ibrahim, Y. Yu, R. Lee, and P.M.L. Robitaille, “Analysis of dielectric resonances at 8.0 Tesla,” Proc. ISMRM 7th Annual Meeting of International Society of Magnetic Resonance in Medicine, Philadelphia, PA, May 1999.

21.  A.M. Abduljalil, A. Kangarlu, X. Zhang, Y. Yu, L. Yang, T.S. Ibrahim, R. Lee, B.A. Baertlein, R. Burgess, S. Bair, and P.M.L. Robitaille, “A quantum leap in human magnetic resonance: Imaging at 8.0 Tesla,” Proc. ISMRM  7th Annual Meeting of International Society of Magnetic Resonance in Medicine, Philadelphia, PA, May 1999.

22.  R.D. Slone and R. Lee, “Matrix Pade via Lanczos for FEM problems”, IEEE Antennas Propagat. Symp. Digest, Orlando, FL, July 1999.

 

2000

 

23.  T.S. Ibrahim, R. Lee, B.A. Baertlein, A. Kangarlu, and P.-M.L. Robitaille, “Dielectric resonance in ultra high field MRI,” Proc. ISMRM 8th Annual Meeting of International Society of Magnetic Resonance in Medicine, Denver, Colorado, USA, April 2000.

24.  T.S. Ibrahim, R. Lee, B.A. Baertlein, and P.-M.L.Robitaille, “FDTD numerical comparison of multi-strut TEM resonators,” Proc. ISMRM 8th Annual Meeting of International Society of Magnetic Resonance in Medicine, Denver, Colorado, USA, April 2000.

25.  T.S. Ibrahim, R. Lee, B.A. Baertlein, and P.-M.L. Robitaille, “Accurate SAR and B_1 field calculations using high resolution head models,” Proc. ISMRM 8th Annual Meeting of International Society of Magnetic Resonance in Medicine, Denver, Colorado, USA, April 2000.

26.  C.C. Chen, K. Rama Rao and R. Lee, “A modified ultra-wide bandwidth dielectric rod antenna", Eighth International Conference on Ground Penetrating Radar, Sydney, Australia, May 2000.

27.  K. Rama Rao, C.C. Chen, R. Lee and K. O'Neill, “A comparison of scattering characteristics of UXO and non-UXO objects in the presence of a water table", The UXO/Countermine Forum, Anaheim, CA, May 2000.

28.  K.H. Lee, K. Rama Rao, R. Lee and C.C. Chen, “Electromagnetic scattering characteristics of UXO and non-UXO objects in the presence of water table,” IEEE International Geoscience and Remote Sensing Symposium, Honolulu, Hawaii, July 2000.

29.  R.D. Slone, J.F. Lee and R. Lee, “Multipoint Galerkin Asymptotic Waveform Evaluation,” IEEE Antennas Propagat. Symp. Digest, Salt Lake City, UT, July 2000.

30.  T.S. Ibrahim, R. Lee, B.A. Baertlein, and P.-M.L. Robitaille, “Optimized radiofrequency resonators for high field NMR clinical imaging,” IEEE Antennas Propagat. Symp. Digest, Salt Lake City, Utah, July 2000.

31.  T.S. Ibrahim, R. Lee, B.A. Baertlein, and P.-M.L. Robitaille, “Experimental validation of simulated inside a loaded birdcage coil,” Proc. European Society of Magnetic Resonance in Medicine and Biology, Paris, France, September 2000.

32.  T.S. Ibrahim, R. Lee, B.A. Baertlein, and P.-M.L. Robitaille, “Strut-to-strut coupling vs. head-to-strut coupling: Evaluation of the TEM resonator},” Proc. European Society of Magnetic Resonance in Medicine and Biology, Paris, France, September 2000.

33.  T.S. Ibrahim, R. Lee, B.A. Baertlein, and P.-M.L. Robitaille, “Optimum field distribution using phased array concepts,” Proc. European Society of Magnetic Resonance in Medicine and Biology, Paris, France, September 2000.

34.  T.S. Ibrahim, R. Lee, B.A. Baertlein, and P.-M.L. Robitaille, “RF power deposition in human head at UHFMRI:Safety study,” Proc. European Society of Magnetic Resonance in Medicine and Biology, Paris, France, September 2000.

35.  T.S. Ibrahim, R. Lee, B.A. Baertlein, and P.-M.L. Robitaille, “The effect of tissue-coil electromagnetic interactions on field inhomogeneity: A study at high field MRI,” Proc. European Society of Magnetic Resonance in Medicine and Biology, Paris, France, September 2000.

 

2001

 

36.  T.S. Ibrahim, R. Lee, B.A. Baertlein, and P.M.L. Robitaille, “Optimized RF coils for clinical MRI applications at ultra high field,” The 3rd International Society of Magnetic Resonance in Medicine Workshop on Hardware, Cleveland, Ohio, p 39, February 2001.

37.  P.M.L. Robitaille, A.M. Abduljalil, T.S. Ibrahim, R. Lee, B.A. Baertlein, and C. Ashman, “A TEM based coil for imaging extremities'', in The 3rd International Society of Magnetic Resonance in Medicine Workshop on Hardware, Cleveland, Ohio, p 43, February 2001.

38.  T.S. Ibrahim, R. Lee, B.A. Baertlein, A.M. Abduljalil, and P.M.L. Robitaille, “Dielectric resonances vs. head-coil interactions: a study of the B1 field inhomogeneity at high fields,” in The 3rd International Society of Magnetic Resonance in Medicine Workshop on Hardware, Cleveland, Ohio, p 29, February 2001.

39.  T.S. Ibrahim, R. Lee, B.A. Baertlein, and P.M.L. Robitaille, “On the frequency dependence of electromagnetic power deposition in the human head: MRI from 3T to 11T,” in The 42nd Experimental Nuclear Magnetic Resonance Conference, Orlando, Florida, p 220, March 2001.

40.  P.M.L. Robitaille, A.M. Abduljalil, T.S. Ibrahim, B.A. Baertlein, R. Lee, and C. Ashman, “An RF extremity coil for MRI applications at high frequencies,” in The 42nd Experimental Nuclear Magnetic Resonance Conference, Orlando, Florida, p189, March 2001.

41.  T.S. Ibrahim, B.A. Baertlein, R. Gilbert, A.M. Abduljalil, R. Lee, and P.M.L. Robitaille, “Minimally invasive probing of B1 field distributions in MR coils using infrared sensors,” in The International Society of Magnetic Resonance in Medicine and European Society of Magnetic Resonance in Medicine and Biology Joint Annual Meeting, Glasgow, Scotland, p 695, April 2001.

42.  T.S. Ibrahim, R. Lee, B.A. Baertlein, and P.M.L. Robitaille, “Classical analysis of RF power requirements in MRI,” in The International Society of Magnetic Resonance in Medicine and European Society of Magnetic Resonance in Medicine and Biology Joint Annual Meeting, Glasgow, Scotland, p 1578, April 2001.

43.  T.S. Ibrahim, R. Lee, B.A. Baertlein, and P.M.L. Robitaille, “Obtaining a homogeneous B1 field at UHF frequencies: use of multiple drives and variable amplitude/ phases,” in The International Society of Magnetic Resonance in Medicine and European Society of Magnetic Resonance in Medicine and Biology Joint Annual Meeting, Glasgow, Scotland, p 692, April 2001.

44.  P.M.L. Robitaille, A.M. Abduljalil, T.S. Ibrahim, B.A. Baertlein, R. Lee, and C. Ashman, “A shielded single element TEM Resonator: a simple extremity RF coil for UHFMRI,” in The International Society of Magnetic Resonance in Medicine and European Society of Magnetic Resonance in Medicine and Biology Joint Annual Meeting, Glasgow, Scotland, p 1095, April 2001.

45.  R.D. Slone, J.F. Lee and R. Lee, “Some basic issues regarding automating multipoint Galerkin asymptotic waveform evaluation for finite elements” Plenary session at the 13th Conference on the Computation of Electromagnetic Fields, vol. 2, pp. 2-3, Evian, France, July 2001.

46.  R.D. Slone, J.F. Lee and R. Lee, “Systematic method for finding a hierarchical vector finite element of any order using the Nedelec criteria and a Webb basis” IEEE Int. Symp. Antennas Propagat. Proc., vol. 3, pp. 184-187, Boston, MA, July 2001.

47.  R.D. Slone, J.F. Lee and R. Lee, “Terminating the iterative process for the Galerkin asymptotic waveform evaluation model order reduction technique,” IEEE Int. Symp. Antennas Propagat. Proc., vol. 3, pp. 200-203, Boston, MA, July 2001.

48.  T.S. Ibrahim, R. Lee, B.A. Baertlein, and P.M.L. Robitaille, “Design of radiofrequency coils for magnetic resonance imaging applications at high fields: technological and physical feasibility issues,” in IEEE Antenna and Propagation Society Annual Meeting, Boston, Massachusetts, pp. 370-373, July 2001.

49.  T.S. Ibrahim, R. Gilbert, A.M. Abduljalil, R. Lee, B.A. Baertlein, and P.M.L. Robitaille, “Measuring RF field distributions in MR coils with IR sensors,” in IEEE Antenna and Propagation Society Annual Meeting, Boston, Massachusetts, pp. 374-377, July 2001.

50.  R. Lee, and T.S. Ibrahim, B.A. Baertlein, and P.M.L. Robitaille, “RF coil modeling and analysis for high field MRI: lessons learned,” in IEEE Antenna and Propagation Society Annual Meeting, Boston, Massachusetts, pp. 362-365, July 2001.

51.  J.F. Lee, R.J. Burkholder, P.H. Pathak, and R. Lee, “Numerical integrations in higher order loop star method of moments for computational electromagnetics,” in IEEE Antenna and Propagation Society Annual Meeting, Boston, Massachusetts, pp. 542-545, July 2001.

52.  R. Lee, J.F. Lee, and P. H. Pathak, “Hybridization of finite methods with other techniques to solve complex problems,'' in IEEE Antenna and Propagation Society Annual Meeting, Boston, Massachusetts, p180, July 2001.

 

2002

 

53.  K.-H. Lee, N.V. Venkatarayalu, C.-C. Chen, F.L. Teixeira, and R. Lee, “Numerical modeling development for characterizing complex GPR problems,” Ninth International Conference on Ground Penetrating Radar, SPIE vol. 4758, pp. 652-656, Santa Barbara, CA, April 29- May 2, 2002.

54.  T.S. Ibrahim, R. Lee, P. Schmalbrock, and D.W. Chakeres, “Analysis of the electromagnetic polarization of fields induced by RF coils at various field strength,” The 10th International Society of Magnetic Resonance in Medicine Annual Meeting, Honolulu, Hawaii, p 911, May 2002.

55.  R.D. Slone, R. Lee, and J.F. Lee, “Ultra broadband fast frequency sweep for polynomial finite element matrix equations using single point model order reduction without linearization,” IEEE Antennas and Propagation Society International Symposium, vol. 2, 716-719, San Antonio, TX, June 2002.

56.  S. Wang, F.L. Teixeira, R. Lee, and J.-F. Lee, “Filtering schemes for dispersion optimized FDTD algorithm,” Proceedings of the 2002 IEEE Antennas and Propagation International Symposium, vol. 3, pp. 240-243, San Antonio, TX, June 2002.

57.  S. Wang, F.L. Teixeira, R. Lee, and J.-F. Lee, “Angle-optimized FDTD algorithms in two-dimensions,” Proceedings of the 2002 IEEE Antennas and Propagation International Symposium, vol. 3, pp. 248-251, San Antonio, TX, June 2002.

58.  S. Wang, F.L. Teixeira, R. Lee, and J.-F. Lee, “Dispersion-relation-preserving (DRP) 2D finite-difference time-domain schemes,” Proceedings of the 2002 IEEE Antennas and Propagation International Symposium, vol. 3, pp. 264-267, San Antonio, TX, June 2002.

59.  K.-H. Lee, N.V. Venkatarayalu, C.-C. Chen, F.L. Teixeira, and R. Lee, “Numerical modeling and characterization of fully polarimetric dielectric loaded horn-fed bow-tie (HFB) for GPR applications using FDTD,” Proceedings of the 2002 IEEE Antennas and Propagation International Symposium, vol. 3, pp. 472-475, San Antonio, TX, June 2002.

60.  N.V. Venkatarayalu, C.-C. Chen, F.L. Teixeira, and R. Lee, “Impedance characterization of dielectric horn antennas using FDTD,” Proceedings of the 2002 IEEE Antennas and Propagation International Symposium, vol. 4, pp. 482-485, San Antonio, TX, June 2002.

 

2003

 

61.  S. Wang, F.L. Teixeira, R. Lee, and J.F. Lee,”Three-Dimensional Angle-Optimized FDTD Algorithms for Large-Scale Problems,” IEEE AP-S International Symposium, Columbus, Ohio, June 2003.

62.  K.H. Lee, C-C. Chen, F. Teixeira and R. Lee, “Numerical Study of a UWB Dual-Polarized Feed Design for Enhanced Tapered Chambers,” IEEE AP-S International Symposium, Columbus, OH, June 2003.

63.  K.H. Lee, C-C. Chen, F. Teixeira and R. Lee, “Numerical Study of Broadband Dielectric Rod Probe (DRP) for Near-Field Measurements”, IEEE AP-S International Symposium, Columbus, OH, June 2003.

 

2004

 

64.  S. Wang, R. Lee, and F.L. Teixeira, “Anisotropic medium PML for FETD with conjugate scaled basis functions,” Proceedings of the 2004 IEEE Antennas and Propagation International Symposium, vol. 3, p. 3485-3488, Monterey, CA, June 20-26, 2004.

 

2005

 

65.  R. Chilton and R. Lee, “FEM analysis of frozen mode regime inside chirped MPC's,” Proc. of the 2005 IEEE AP-S International Symp., Washington DC, July 2005.

66.  Y. Srisukh and R. Lee, “The effect of preconditioning for the iterative solution of the finite element time domain method,” Proc. of the 2005 IEEE AP-S International Symp, Washington DC, July 2005.

67.  K. H. Lee, C. C. Chen, and R. Lee, “Development of UWB dual-linear polarization quad ridged tapered chamber feed antenna,” Proc. of the 2005 IEEE AP-S International Symp., Washington DC, July 2005.

68.  Y. Srisukh, R. Lee, and N.V. Venkatarayalu, “Hybrid finite element/finite difference methods in the time domain," ICEAA, Turin, Italy, Sept. 2005

 

Conference Abstracts:

 

1988

 

1.    R.Lee and D.G. Dudley, “Current coupling by a wire through a circular aperture in the presence of an incident quasi-TEM wave,” URSI Radio Science Meeting, Syracuse, NY, June 1988.

 

1990

 

2.    R. Lee and A.C. Cangellaris, “Electromagnetic scattering from multiple cylinders using the bymoment method,” URSI Radio Science Meeting, Boulder, CO, January 1990.

3.    D.B. Wright, R. Lee, D.G. Dudley and K.F. Casey, “Scattering from a cavity-backed circular aperture penetrated by a wire: The Exterior Region,” URSI Radio Science Meeting, Boulder, CO, January 1990.

4.    A.C. Cangellaris and R. Lee, “Plane wave scattering from material cylinders at oblique incidence using the bymoment method,” URSI Radio Science Meeting, Dallas, TX, May 1990.

5.    R. Lee and A.C. Cangellaris, “Scattering from an arbitrary cylinder in the presence of a planar media interface using the bymoment method: Part one, theory,” URSI Radio Science Meeting, Dallas, TX, May 1990.

6.    R. Lee and A.C. Cangellaris, “Scattering from an arbitrary cylinder in the presence of a planar media interface using the bymoment method: Part two, numerical results,'' URSI Radio Science Meeting, Dallas, TX, May 1990.

7.    A.C. Cangellaris and R. Lee, “Solution of the two-dimensional Helmholtz equation using the bymoment method,” IMSE Conference, Arlington, TX, June 1990.

 

1991

 

8.    R. Lee and A.C. Cangellaris, “Finite element analysis for an obliquely incident plane wave incident on cylinders near a planar media interface,” URSI Radio Science Meeting, London, Ontario, June 1991.

9.    R. Lee, “A study of discretization errors in the finite element method,” URSI Radio Science Meeting, London, Ontario, June 1991.

 

1992

 

10.  Y.S. Choi, R. Lee, and R.C. Chou, “A one-dimensional study of the effect of boundary conditions on discretization error for FEM,” URSI Radio Science Meeting, Chicago, IL, July 1992.

11.  U. Pekel and R. Lee, “An element-by-element a posteriori error estimation and improvement approach for the finite element analysis of three-dimensional electromagnetic boundary value problems,” URSI Radio Science Meeting, Chicago, IL, July 1992.

12.  R.C. Chou, T.T. Chia and R. Lee, “The energy flow inside a waveguide cavity using the SBR and GRE methods,” URSI Radio Science Meeting, Chicago, IL, July 1992.

 

1993

 

13.  J.O. Jevtic and R. Lee, “Higher order divergenceless edge elements,” URSI Radio Science Meeting, Ann Arbor, MI, June 1993.

14.  J.O. Jevtic and R. Lee, “An analysis of the measured equation of invariance,'' URSI Radio Science Meeting, Ann Arbor, MI, June 1993.

15.  Y.S. Choi-Grogan and R. Lee, “A sequential and parallel implementation of a partitioning finite element technique for electromagnetic scattering,” URSI Radio Science Meeting, Ann Arbor, MI, June 1993.

16.  T.L. Barkdoll and R. Lee, “Finite element analysis of bodies of revolution using the measured equation of invariance,” URSI Radio Science Meeting, Ann Arbor, MI, June 1993.

 

1994

 

17.  J.O. Jevtic and R. Lee, “On the choice of metrons in the MEI method,” 2nd Workshop on Finite Element Methods in Electromagnetic Wave Problems, Siena, Italy, May 1994.

18.  T.T. Chia, R.J. Burkholder, and R. Lee, “Implementing the hybrid ray-FDTDmethod for computing the RCS of 3-D open-ended waveguide cavities,” URSI Radio Science Meeting, Seattle, WA, June 1994.

19.  U. Pekel and R.~Lee, “A three-dimensional bymoment method approach for the analysis of electromagnetic scattering,” URSI Radio Science Meeting, Seattle, WA, June 1994.

20.  R. Lee, “An overview of computational electromagnetics,” SICAN Technology Conference, Hanover, Germany, November 1994.

 

1995

 

21.  J.O. Jevtic and R. Lee, “An investigation of the convergence properties of the measured equation of invariance,'' URSI Radio Science Meeting, Boulder, CO, January 1995.

22.  D. Kingsland, R. Dyczij-Edlinger, J.F. Lee, and R. Lee, “Performance characterization of a perfectly matched anisotropic absorber for frequency domain FEM applications,” URSI Radio Science Meeting, Newport Beach, CA, June 1995.

23.  R. Lee, J.O. Jevtic, and Z. Chen, “The effect of numerical dispersion on boundary conditions for wave problems,” Progress in Electromagnetic Research Symposium, Seattle, WA, July 1995.

24.  J.F. Lee, J.Y. Wu, and R. Lee, “Application of an anisotropic PML and its relationship to Beringer's PML,” Progress in Electromagnetic Research Symposium,  Seattle, WA, July 1995.

25.  J.O. Jevtic and R. Lee, “Further insights into high order solenoidal edge elements,'' Progress in Electromagnetic Research Symposium, Seattle, WA, July 1995.

 

1996

 

26.  T.T. Chia, R.J. Burkholder, and R. Lee, “A hybrid high-frequency/FDTD method for computing the RCS of large open-ended waveguide cavities,” URSI Radio Science Meeting, Boulder, CO, Jan. 1996.

27.  E.M. Nassar, R. Lee, K. Jezek, and J.D. Young, “In-situ measurement of the complex dielectric constant of sea ice from 1 to 10 GHz,” IGARSS meeting, Lincoln, Nebraska, May 1996.

28.  E.M. Nassar, R. Lee, and J.D. Young, “Electromagnetic probe for in-situ measurement of the complex dielectric constant of materials,” URSI Radio Science Meeting, Baltimore, MD, July 1996.

29.  J.Y. Wu, R. Lee, and J.F. Lee, “The use of higher order edge-based finite elements to improve the accuracy of the anisotropic perfectly matched layer,'' URSI Radio Science Meeting, Baltimore, MD, July 1996.

30.  J.O. Jevtic and R. Lee, “An improved finite difference Helmholtz equation,'' URSI Radio Science Meeting, Baltimore, MD, July 1996.

31.  R. Lee, “Understanding and improving PDE methods for electromagnetics,'' URSI General Assembly, Lille, France, August 1996.

 

1997

 

32.  E.M. Nassar, J.T., Johnson, and R. Lee,”Electromagnetic scattering from sea ice,'' Progress in Electromagnetic Research Symposium, Boston, MA, July 1997.

33.  J.Y. Wu and R. Lee, “Construction of the basis functions for Nedelec's finite element spaces for triangular and tetrahedral meshes,” URSI Radio Science Meeting, Montreal, Canada, July 1997.

34.  J.Y. Wu and R. Lee, “An argument for the use of tetrahedral and triangular edge elements for modeling electrically large geometries,” URSI Radio Science Meeting, Montreal, Canada, July 1997.

35.  T.S. Ibrahim and R. Lee, “Simulation of radio frequency coils for super high field magnetic resonance imaging,” URSI Radio Science Meeting, Montreal, Canada, July 1997.

36.  J.W. Nehrbass and R. Lee, “Optimal finite difference subgridding techniques applied to the Helmholtz equation,” URSI Radio Science Meeting, Montreal, Canada, July 1997.

 

1998

 

37.  K. Rama Rao and R. Lee, “An optimal edge based finite difference solution to the vector Helmholtz equation in two dimensions,” CEFC'98, Tucson, AZ, June 1998.

38.  R. Lee and P. Sadayappan, “The advantages of domain decomposition for FEM,” URSI Radio Science Meeting, Atlanta, GA, June 1998.

39.  J.Y. Wu, J.W. Nehrbass, and R. Lee, “A comparison of PML for TVFEM and FDTD,” 4th Int. Workshop on FEM for Microwave Eng., Poitier, France, July 1998.

 

1999

 

40.  R. Lee, S. Dvorak, and A.C. Cangellaris, ``Transient plane wave scattering from objects near lossy ground with FDTD,” URSI Radio Science Meeting, Orlando, FL, July 1999.

41.  Y. Zhu and R. Lee, “TVFEM analysis of infinite and finite periodic structures for radiation and scattering,” URSI Radio Science Meeting, Orlando, FL, July 1999.

42.  T.S. Ibrahim, R. Lee, B.A. Baertlein, A. Kangarlu, and P.M.L. Robitaille, “Reduction of SAR and improvement of the magnetic field homogeneity using 4-ports excitation for high-field MRI,” URSI General Assembly, Toronto, Canada, August 1999.

43.  R. Lee, T.S. Ibrahim, B.A. Baertlein, A. Kangarlu, and P.M.L. Robitaille, “Magnetic field homogeneity and SAR issues: A study of the TEM resonator from 3T to 9T,” URSI General Assembly, Toronto, Canada, August 1999.

 

2000

 

44.  R.D. Slone, J.F. Lee and R. Lee, “A comparison of some model orderreduction techniques,” 5th International Workshop on Finite Elements for Microwave Engineering, Boston, MA, June 2000.

45.  K. Rama Rao, R. Lee and C. C. Chen, “Numerical Modeling of an Ultra-Wide Bandwidth Dielectric Rod Antenna,”   URSI Radio Science Meeting, Salt Lake City, UT, July 2000.

46.  T.S. Ibrahim, R. Lee, B.A. Baertlein, and P.-M.L. Robitaille, “Calculation and experimental validation of induced EM fields inside a human head: A study at ultra high-field MRI,” URSI Radio Science Meeting, Salt Lake City, UT, July 2000.

 

2001

 

47.  R.D. Slone, J.F. Lee and R. Lee, “What is Model Order Reduction?”, 2001 URSI Radio Science Meeting Digest, pp. 59, Boston, MA, July 2001.

48.  K.H. Lee, C-C. Chen, and R. Lee, “Investigation of the scattering characteristics of subsurface UXO for classification,” URSI Radio Science Meeting Digest, pp. 103, Boston, MA, July 2001.

49.  J.F. Lee and R. Lee, “Adaptive mesh refinement for vector finite element methods,” URSI Radio Science Meeting Digest, pp. 12, Boston, MA, July 2001.

50.  J.F. Lee, R.J. Burkholder, P.H. Pathak, and R. Lee, “Higher order loop-star basis functions for method of moment computations,” URSI Radio Science Meeting Digest, pp. 361, Boston, MA, July 2001.

 

2002

 

51.  R.D. Slone, J.F. Lee, and R. Lee, “Fast Frequency Sweep of a Wide-Band Bowtie Antenna Modeled using a 3D Tangentially Continuous Vector FEM and Solved with MGAWE Model Order Reduction,” APS/URSI, San Antonio, Texas, June 2002.

52.  S.C. Lee, J.F. Lee, and R. Lee, “Higher Order Curl Conforming Vector Finite Elements for Analyzing Wave Guiding Structures,” APS/URSI, San Antonio, Texas, June 2002.

53.  K.-H. Lee, C.-C. Chen, F. L. Teixeira, and R. Lee, “Numerical study of scattering signatures of subsurface UXOs employing novel ultrawideband antennas,” 2002 USNC/URSI National Radio Science Meeting Digest, p. 309, San Antonio, TX, June 2002.

54.  J. F. Lee, R. Lee, and F.L. Teixeira, “Multigrid FEM using Schwarz preconditioners and hierarchical high-order Whitney-like elements,” Proceeding of the 2002 Progress in Electromagnetics Research Symposium (PIERS), p. 710, Cambridge, MA, July 2002.

55.  R. Lee, F.L. Teixeira, S. Wang, and J.-F. Lee, “Grid refinement approaches for the finite difference time domain method,'' XXVIIth General Assembly of the International Union of Radio Science (URSI) Program, p. 39, Maastricht, Netherlands, August 17-24, 2002.

56.  J.-F. Lee, R. Lee, and F.L. Teixeira, “Inexact Helmholtz splitting with Schwarz methods for solving time-harmonic Maxwell equations,” XXVIIth General Assembly of the International Union of Radio Science (URSI) Program, p. 39, Maastricht, Netherlands, August 17-24, 2002.

57.  R. Lee, P. Pathak, and J.F. Lee, “Hybrid methods for solving electromagnetic problems,” XXVIIth General Assembly of the International Union of Radio Science (URSI) Program, Maastricht, Netherlands, August 17-24, 2002.

 

2003

 

58.  S. Wang, R. Lee, F.L. Teixeira and J.F. Lee, “A Hybrid Finite Element Time Domain/Finite Difference Time Domain Approach for Electromagnetic Modeling", Progress in Electromagnetics Research Symposium, Singapore, January 2003.

59.  K.H. Lee, C-C. Chen and R. Lee, “A Novel UWB Dual-Polarized Tapered Chamber Feed Design using FDTD method,” Antenna Measurement and Techniques Association (AMTA), Irvine, CA, Oct. 2003.

60.  K.H. Lee, C-C. Chen and R. Lee, “Design of Dielectric Rod Antenna for Near Field Probe,” Antenna Measurement and Techniques Association (AMTA), Irvine, CA, Oct. 2003.

61.  K.H. Lee, C-C. Chen and R. Lee, "Development of Dielectric Horn Antenna(DHA) for Compact range feed," Antenna Measurement and Techniques Association (AMTA), Irvine, CA, Oct. 2003.

 

2004

 

62.  S. Wang, R. Lee, F.L. Teixeira, and J.F. Lee, “Modified Basis for Perfectly Matched Layer in the Finite Element Time Domain Method,” 7th Workshop on Finite Elements for Microwave Engineering - Antennas, Circuits and Devices, Madrid Spain, May 2004.

63.  K-H. Lee, C-C. Chen, and R. Lee, “Development of Dual Polarized UWB Dielectric Horn Antenna (DHA),” URSI Radio Science Meeting, Monterey, CA, June, 2004.

64.  Y. Srisukh and R. Lee, “A p-Refinement Approach for Finite Element Time Domain Method,” 2004 Progress in Electromagnetic Research Symposium, Nanjing, China, August 2004.

65.  K-H. Lee, C-C. Chen, and R. Lee, “Update on a Novel Dual Polarized Taper Chamber Feed Design,” Antenna Measurement and Techniques Association (AMTA) 2004, Washington DC, Oct., 2004

 

2005

 

66.  K-H. Lee, C-C. Chen, and R. Lee, “A Novel Dual Polarized Feed Design for Enhancing Tapered Chamber Performance,” URSI National Radio Science Meeting, Colorado, Boulder, Jan., 2005

67.  Y. Srisukh and R. Lee, "P-refinement for the finite element time domain method," Electromagnetic Code Consortium Meeting, Wright Patterson Air Force Base, May 2005.

68.  R. Chilton and R. Lee, “FEM analysis of parallel plate waveguides loaded with magnetic photonic crystals (MPC's),” URSI Radio Science Meeting, Washington DC, July 2005.

69.  Y. Srisukh and R. Lee, “A three dimensional p-refinement approach to finite element time domain method,” URSI Radio Science Meeting, Washington DC, July 2005.

70.  N.V. Venkatarayalu, R. Lee, G.Y. Beng, and L.W. Li, “Time domain finite element solution using hanging Variables on rectangular edge elements,” URSI Radio Science Meeting, Washington DC, July 2005.