Terahertz Imaging and Spectroscopy

Computational Electromagnetics Group at the University of Arkansas

Publications

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Published Journal Papers

  1. Gurjar N, Ware ME and El-Shenawee M, ” Experimental characterization of a fully polarimetric pulsed terahertz spectroscopy system,” Front. Phys. 12:1317576, doi: https://doi.org/10.3389/fphy.2024.1317576.
  2. Zachary Uttley, Jose Santos Batista, Bilal Pirzada, and Magda El-Shenawee, “Experimental and Computational Analysis of Broadband THz Photoconductive Antennas,” Hindawi International Journal of Antennas and Propagation, vol. 2023, article ID 6682627, doi:  https://doi.org/10.1155/2023/6682627.
  3. Nagma Vohra, Haoyan Liu, Alexander H. Nelson, Keith Bailey, Magda El-Shenawee, “Hyperspectral terahertz imaging and optical clearance for cancer classification in breast tumor surgical specimen,” J. Med. Imag. 9(1), 014002 (2022), doi: http://dx.doi.org/10.1117/1.JMI.9.1.014002. [PDF]
  4. H. Liu, N. Vohra, K. Bailey, M. El-Shenawee, A. Nelson, “Deep learning classification of breast cancer tissue from terahertz imaging through wavelet synchro-squeezed transformation and transfer learning,” J. Infrared, Millimeter, and Terahertz Waves (published online https://rdcu.be/cGMUz).

  5. Tanny Chavez, Nagma Vohra, Keith Bailey, Magda El-Shenawee, and Jingxian Wu, “Supervised Bayesian learning for breast cancer detection in terahertz imaging,” Biomedical Signal Processing and Control, vol. 70, 102949, 2021. doi: https://doi.org/10.1016/j.bspc.2021.102949 [PDF]
  6. Nagma Vohra, Tanny Chavez, Joel R. Troncoso, Narasimhan Rajaram, Jingxian Wu, Patricia N. Coan, Todd A. Jackson, Keith Bailey, Magda El-Shenawee, “Mammary tumors in Sprague Dawley rats induced by N-ethyl-N-nitrosourea for evaluating terahertz imaging of breast cancer,” J. Med. Imag. 8(2), 023504 (2021), doi: https://doi.org/10.1117/1.JMI.8.2.023504. Copyright 2021 Society of Photo-Optical Instrumentation Engineers (SPIE). One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited. [PDF]
  7. J. S. Batista, H. O. Churchill, and M. El-Shenawee, “Black phosphorus photoconductive terahertz antenna: 3d modeling and experimental reference comparison,” Journal of the Optical Society of America B, vol. 38, no. 4, p. 1367, 2021, doi: https://doi.org/10.1364/JOSAB.419996. [PDF]
  8. N. Vohra and M. El-Shenawee, “K- and W-Band Free-Space Characterizations of Highly Conductive Radar Absorbing Materials,” in IEEE Transactions on Instrumentation and Measurement, vol. 70, pp. 1-10, 2021, Art no. 8001910, doi: 10.1109/TIM.2020.3041821.[PDF]
  9. M. Doha, J. Santos Batista, A. Rawwagah, J. Thompson, A. Fereiodouni, K. Watanabe, T. Taniguchi, M. El-Shenawee and H. Churchill, “Integration of multi-layer black phosphorus into photoconductive antennas for THz emission,” Journal of Applied Physics, vol. 128, no. 6, pp. 063104, 2020. This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing.[https://doi.org/10.1063/5.0016370].
  10. N. Vohra, T. Bowman, K. Bailey, M. El-Shenawee, “Terahertz Imaging and Characterization Protocol for Freshly Excised Breast Cancer Tumors,” J. Vis. Exp. issue. 158, e61007, 2020. doi:10.3791/61007. [PDF]
  11. T. Chavez, N. Vohra, J. Wu, K. Bailey and M. El-Shenawee, “Breast Cancer Detection With Low-Dimensional Ordered Orthogonal Projection in Terahertz Imaging,” in IEEE Transactions on Terahertz Science and Technology, vol. 10, no. 2, pp. 176-189, March 2020. doi: 10.1109/TTHZ.2019.2962116. [PDF]
  12. M. El-Shenawee, N. Vohra, T. Bowman, K. Bailey, “Cancer detection in excised breast tumors using terahertz imaging and spectroscopy,” Biomedical Spectroscopy and Imaging, vol. 8, no. 1-2, pp. 1-9, 2019 (Review article). DOI 10.3233/BSI-190187 IOS [PDF]
  13. Tyler Bowman, Nagma Vohra, Keith Bailey, Magda El-Shenawee, “Terahertz tomographic imaging of freshly excised human breast tissues,” J. Med. Imag. 6(2), 023501 (2019), doi: 10.1117/1.JMI.6.2.023501. Copyright 2019 Society of Photo-Optical Instrumentation Engineers. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited. [https://doi.org/10.1117/1.JMI.6.2.023501] [PDF]
  14. N. Vohra, T. Bowman, P. M. Diaz, N. Rajaram, K. Bailey, M. El- Shenawee, “Pulsed terahertz reflection imaging of tumors in a spontaneous model of breast cancer,” Biomedical Physics and Engineering Express, vol 4, no. 6, pp. 065025, 2018. [https://doi.org/10.1088/2057-1976/aae699]
  15. T. Chavez, T. Bowman, J. Wu, K. Bailey, and M. El-Shenawee, “Assessment of Terahertz Imaging for Excised Breast Cancer Tumors with Image Morphing,” J. Infrared Milli. Terahz Waves, vol. 39, no. 12, 1283–1302, 2018.[Journal Link]
  16. T. Bowman, T. Chavez, K. Khan, J. Wu, A. Chakraborty, N. Rajaram, K. Bailey, and M. El-Shenawee, “Pulsed terahertz imaging of breast cancer in freshly excised murine tumors,” J. Biomed. Opt., vol. 23, no. 2, pp. 026004, 2018. [doi: 10.1117/1.JBO.23.2.026004] [PDF]
  17. N. M. Burford, M. J. Evans, and M. El-Shenawee, “Plasmonic Nanodisk Thin-Film Terahertz Photoconductive Antenna,” IEEE Transactions on Terahertz Science and Technology, vol. 8, no. 2, p. 237-247, 2018. [PDF]
  18. T. Bowman, A. Walter, O. Shenderova, N. Nunn, G. McGuire, and M. El-Shenawee, “A Phantom Study of Terahertz Spectroscopy and Imaging of Micro- and Nano-diamonds and Nano-onions as Contrast Agents for Breast Cancer,” Biomedical Physics and Engineering Express, vol. 3, no. 5, pp. 055001, 2017. [doi: 10.1088/2057-1976/aa87c2] [Journal Link]
  19. T. Bowman, Y. Wu, J. Gauch, L. K. Campbell, and M. El-Shenawee, “Terahertz Imaging of Three-Dimensional Dehydrated Breast Cancer Tumors,” J. Infrared Milli. Terahz Waves, vol. 38, no. 6, pp. 766-786, 2017. [Journal Link]
  20. N. M. Burford and M. El-Shenawee, “Review of terahertz photoconductive antenna technology,” Opt. Eng., vol. 56, no. 1, 010901, 2017. [PDF] Copyright 2017 Society of Photo Optical Instrumentation Engineers. One print or electronic copy may be made for personal use only. Systematic electronic or print reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited. http://dx.doi.org/10.1117/1.OE.56.1.010901
  21. T. Bowman, M. El-Shenawee, and L.K. Cambell, “Terahertz transmission vs reflection imaging and model-based characterization for excised breast carcinomas” Biomed. Opt. Express vol. 7, no. 9, pp. 3756-3783, 2016. [PDFJournal Link] © 2016 Optical Society of America. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modifications of the content of this paper are prohibited.
  22. N. Burford and M. El-Shenawee, “Computational Modeling of Plasmonic Thin-Film Terahertz Photoconductive Antennas,”J. Opt. Soc. Am. B, vol. 33, no. 4, pp. 748-759, 2016. [PDF] https://www.osapublishing.org/josab/abstract.cfm?uri=josab-33-4-748
  23. S.-M. Acklin, “Terahertz Imaging Platform to Characterize the Growth of In-Vitro Breast Tumors,” Inquiry Undergraduate Research Journal, vol. 19, pp. 53-60, 2015. (Faculty Mentor: Dr. Magda El-Shenawee) [PDF]
  24. T.C. Bowman, M. El-Shenawee, and L.K. Campbell. “Terahertz Imaging of Excised Breast Tumor Tissue on Paraffin Sections.” IEEE Trans. on Ant. and Propag., vol. 63, no. 5, pp. 2088-2097, 2015. [PDF]
  25. N. Burford and M. El-Shenawee, “Optimization of Silver Nanotoroid Arrays for the Absorption Enhancement of Silicon Thin-Film Solar Cells,” Plasmonics, pp. 1-8, Oct. 2014. [Web Link]
  26. D. A. Hutchings and M. El-Shenawee, “Microwave MEMS Antenna Sensor Characterization and Target Detection Using Artificial Neural Network,” IEEE Sensors Journal, vol. 14, no. 8, August 2014. [PDF]
  27. N. M Burford, M. O. El-Shenawee, C. B. O’Neal and K. J. Olejniczak, “Terahertz Imaging for Nondestructive Evaluation of Packaged Power Electronic Devices,” International Journal of Emerging Technology and Advanced Engineering., vol. 4, no. 1, pp. 395-401, January 2014. [PDF]
  28. T. C. Bowman, A. M. Hassan, and M. El-Shenawee, “Imaging 2D Breast Cancer Tumor Margin at Terahertz Frequency using Numerical Field Data based on DDSCAT,” Applied Computational Electromagnetics Society Journal, vol. 28, no. 11, November 2013. [PDF]
  29. A. M. Hassan, T. C. Bowman, and M. El-Shenawee, “Efficient Microwave Imaging Algorithm Based on Hybridization of the Linear Sampling and Level Set Methods,” IEEE Trans. on Antennas and Propag., vol. 61, no. 7, pp. 3765-3773, July 2013. [PDF]
  30. N. Burford and M. El-Shenawee, “Plasmonic Enhancement of Irregular Shape Nano-Patch for Thin Film Silicon Solar Cells,” Journal of Applied Computational Electromagnetics, vol. 28, no. 5, pp. 359-373, 2013. [PDF]
  31. A. M. Hassan, M. R. Hajihashemi and M. El-Shenawee, “Inverse Scattering Shape Reconstruction of 3D Bacteria Using the Level Set Algorithm,” Progress In Electromagnetics Research B, vol. 39, 39-53, 2012. [PDF]
  32. A. M. Hassan and M. El-Shenawee, “Biopotential signals of breast cancer versus tumor types and proliferation stages,” Physical Review E: Biological Physics, vol. 85, no. 2, 021913, 2012. [PDF]
  33. M. R. Hajihashemi and M. El-Shenawee, “Level Set Algorithm for Shape Reconstruction of Non-Overlapping Three-Dimensional Penetrable Targets,” IEEE Trans. Geosci. & Rem. Sens., vol.50, no.1, pp.75-86, Jan. 2012. [PDF]
  34. A. M. Hassan and M. El-Shenawee, “Electromagnetic Techniques for Breast Cancer Detection,” IEEE Reviews in Biomedical Engineering, vol. 4, pp. 103-118, 2011. [PDF]
  35. A. M. Hassan and M. El-Shenawee, “Parallel Implementation of the Diffusion-Drift Algorithm for Modeling the Electrophysiological Activity of Breast Tumors,” Journal of Parallel and Distributed Computing, vol. 71, no. 7, pp. 1011-1023, 2011. [Web Link]
  36. M. R. Hajihashemi and M. El-Shenawee, “Inverse scattering of three-dimensional PEC objects using the level-set method,” Progress In Electromagnetics Research, vol. 116, 23-47, 2011. [PDF]
  37. M. R. Hajihashemi and M. El-Shenawee, “The Level Set Shape Reconstruction Algorithm Applied to 2D PEC Targets Hidden Behind a Wall,” Progress In Electromagnetics Research B, vol. 25, pp. 131-154, 2010. [PDF]
  38. F. Deek and M. El-Shenawee, “Microwave Detection of Cracks in Buried Pipes Using The Complex Frequency Technique,” Journal of Applied Computational Electromagnetics, vol. 25, no. 10, pp. 894-902, 2010. [PDF]
  39. A. M. Hassan and M. El-Shenawee, Modeling Biopotential Signals and Current Densities of Multiple Breast Cancerous Cells, IEEE Transactions on Biomedical Engineering, vol. 57, no. 9, pp. 2099-2106, Sept. 2010.[PDF]
  40. M. El-Shenawee, Polarization Dependence of Plasmonic Nanotoroid Dimer Antenna, IEEE Antennas and Wireless Propagation Letters, vol. 9, pp. 463-466, 2010. [PDF]
  41. M. R. Hajihashemi and M. El-Shenawee, “High Performance Computing of the Level-Set Reconstruction Algorithm,” Journal of Parallel and Distributed Computing JPDC, vol. 70, pp. 671-679, June 2010. [Web Link]
  42. M. R. Hajihashemi and M. El-Shenawee, TE versus TM for the Shape Reconstruction of 2-D PEC Targets using the Level-Set Algorithm, IEEE Trans. Geosci. & Rem. Sens., vol. 48, no. 3, pp. 1159-1168, MARCH 2010. [PDF]
  43. D. A. Woten, M. R. Hajihashemi, A. M. Hassan and M. El-Shenawee, Experimental Microwave Validation of the Level-Set Reconstruction Algorithm, IEEE Trans. Antennas and Propag., vol. 58, no. 1, pp. 230-233, Jan 2010. [PDF]
  44. A. Hassan and M. El-Shenawee, “Diffusion-Drift Modeling of a Growing Breast Cancerous Cell,” IEEE Trans. on Biomed. Eng., vol. 56, no. 10, pp. 2370-2379, October 2009. [PDF]
  45. D. A. Woten and M. El-Shenawee, “Quantitative Analysis of Breast Skin for Tumor Detection using Electromagnetic Waves,” Journal of Applied Computational Electromagnetics, vol. 24, no. 5, October 2009. [PDF]
  46. J. Greenlee and M. El-Shenawee, “Computer Simulation of Breast Ducts,” Undergraduate Research Journal Inquiry, vol. 10, pp. 38-42, October 2009. [PDF]
  47. S. D. Shumate, M. El-Shenawee, “Computational Model of Ductal Carcinoma In Situ: The Effects of Contact Inhibition on Pattern Formation,” IEEE Trans. on Biomed. Eng., vol. 56, no 5, pp. 1341-1347, May 2009.[PDF]
  48. M. El-Shenawee, O. Dorn, and M. Moscoso, “Adjoint-Field Technique for Shape Reconstruction of 3-D Penetrable Object Immersed in Lossy Medium”, IEEE Trans. Antennas and Propag., vol. 57, no. 2, pp. 520-534, Feb. 2009.[PDF]
  49. A. Hassan, M. Hajihashemi, M. El-Shenawee, A. Al-Zoubi, A. Kishk, “Drift De-noising of Experimental TE Measurements for Imaging of 2D PEC Cylinder using the Level Set Algorithm,” IEEE Antennas and Wireless Propagation Letters, vol. 8, pp. 1218-1222, 2009. [PDF]
  50. D. Woten, M. El-Shenawee, “Broadband Dual Linear Polarized Antenna for Statistical Detection of Breast Cancer,” IEEE Trans. Antennas and Propagation, Vol. 56, no. 11, pp. 3576 – 3580, Nov. 2008.[PDF]
  51. M. R. Hajihashemi, M. El-Shenawee, “Shape Reconstruction Using the Level Set Method for Microwave Applications,” IEEE Antennas and wireless propagation letters, vol. 7, no. 4, pp. 92-96, April 2008.[PDF]
  52. D. Woten, J. Lusth, M. El-Shenawee, “Interpreting Artificial Neural Network for Microwave Detection of Breast Cancer,” IEEE Microwave Letters, vol. 17, no. 12, pp. 825 – 827, December 2007.[PDF]
  53. Magda El-Shenawee and Eric Miller, “Spherical Harmonics Microwave Algorithm for Shape and Location Reconstruction of Breast Cancer Tumor,” IEEE Trans. Medical Imaging, vol. 25, no. 10, pp. 1258-1271, October 2006. [PDF]
  54. Magda El-Shenawee and Eric Miller, “Multiple-Incidence Multifrequency for Profile Reconstruction of Random Rough Surfaces Using the Three-Dimensional Electromagnetic Fast Multipole Model,” IEEE Trans. on Geosci. & Rem. Sensing, IEEE Trans. Geosci. & Remote Sens., vol. 42, no. 11, pp. 2499-2510, November 2004. [PDF]
  55. Magda El-Shenawee, “Polarimetric Scattering from Multi-layered Two-Dimensional Random Rough Surfaces with and without Buried Objects,” IEEE Trans. on Geosci. &Rem. Sensing, vol. 42, no. 1, pp. 67-76, January 2004. [PDF]
  56. Magda El-Shenawee, “Resonant Spectra of Malignant Breast Cancer Tumors Using the three-Dimensional Electromagnetic Fast Multipole Model,” IEEE Trans. on Biomedical Engineering, Vol. 51, No. 1, pp. 35-44, January 2004. [PDF]
  57. Magda El-Shenawee, “Numerical Assessment of Multifrequency Microwave Radiometry for Sensing Malignant Breast Cancer Tumor,” Microwave Optical Technology Letters, pp. 394-398, vol. 36, no. 5, March 2003. [PDF]
  58. Magda El-Shenawee, “Scattering from Multiple Objects Buried under Two-Dimensional Randomly Rough Surface using the Steepest Descent Fast Multipole Method,” IEEE Trans. Antennas and Propagation, vol. 51, no. 4, pp. 802-809, April 2003. [PDF]
  59. Magda El-Shenawee and Carey Rappaport, “Electromagnetic Scattering Interference Between Two Shallow Objects Buried Under 2-D Random Rough Surfaces,” IEEE Microwave and Wireless Components Letters (MWCL), vol. 13, no. 6 , pp. 223-225, June 2003. [PDF]
  60. Magda El-Shenawee, “Remote Sensing of Objects Buried Beneath 2-D Random Rough Surfaces using the Modified Mueller Matrix Elements,” Journal of Optical Society of America A (JOSA A), vol. 20, pp.183-194, January 2003. [PDF] This paper was published in Journal of optical Society of America A and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://www.opticsinfobase.org/abstract.cfm?URI=josaa-20-1-183. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.
  61. C. Rappaport, M. El-Shenawee, and H. Zhang, “Suppressing GPR Signal Degradation from Randomly Rough Ground Surfaces to Enhance nonmetallic Mine Detection,” J. Subsurface Sensing Technologies and Applications, Vol. 4, No. 4, pp. 309-324, October 2003. [PDF]
  62. Magda El-Shenawee, “The Multiple Interaction Model for Non-Shallow Scatterers Buried Beneath Two-Dimensional Random Rough Surfaces,” IEEE Trans. on Geosci.&Remote Sensing, vol. 40, no. 4, pp. 982-987, April 2002. [PDF]
  63. M. El-Shenawee and C. Rappaport, “Monte Carlo Simulations for the Statistics of Clutter in Minefields: AP Mine-Like Target Buried Near a Dielectric Object beneath Two-Dimensional Randomly Rough Ground,” IEEE Trans. Geosci. & Rem. Sensing, vol. 40, no. 6, pp. 1416-1426, June 2002. [PDF]
  64. M. El-Shenawee, C. Rappaport, D. Jiang, W. Meleis and D. Kaeli, “Electromagnetics Computations Using the MPI Parallel Implementation of the Steepest Descent Fast Multipole Method (SDFMM),” the Journal of Applied Computational Electromagnetics (ACES), vol. 17, no. 2, pp. 112-122, July 2002. [PDF]
  65. M. Ashouei, D. Jiang, W. Meleis, D. Kaeli, M. El-Shenawee, E. Mizan, Y. Wang and C. Rappaport, “Profile-based Characterization and Tuning for Subsurface Sensing and Imaging Applications,” The International Jounal of Simulation: Systems, Science and Technology, an invited paper to the Special Issue on Modeling and Simulation of Parallel and Distributed Systems, vol. 3, No. 1-2, pp. 40-55, June 2002. [PDF]
  66. D. Jiang, W. Meleis, M. El-Shenawee, E. Mizan, M. Ashouei and C. Rappaport, “Parallel Implementation of the Steepest Descent Fast Multipole Method (SDFMM) On a Beowulf Cluster for Subsurface Sensing Applications,” IEEE Microwave and Wireless Components Letters (MWCL), vol. 12, no. 1, pp. 24-26, January 2002. [PDF]
  67. M. El-Shenawee, C. Rappaport, E. Miller and M. Silevitch, “Three-dimensional subsurface analysis of electromagnetic scattering from penetrable/PEC objects buried under rough surfaces: use of the steepest descent fast multipole method (SDFMM),” IEEE Trans. Geoscience Rem. Sensing, vol. 39, no. 6, pp. 1174-1182, 2001. [PDF]
  68. M. El-Shenawee, C. Rappaport and M. Silevitch, “Monte Carlo Simulations of Electromagnetic Wave Scattering from Random Rough Surface with 3-D Penetrable Buried Object: Mine Detection Application Using the SDFMM,” J. Optical Society of America A, vol.18, no. 12, pp.3077-3084, December 2001. [PDF] This paper was published in Journal of optical Society of America A and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://www.opticsinfobase.org/abstract.cfm?uri=josaa-18-12-3077. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.
  69. E. Bahar and M. El-Shenawee, “Double Scatter Cross Sections for Two Dimensional Random Rough Surfaces that Exhibit Backscatter Enhancement,” J. of Optical Society of America A, vol. 18, no. 1, pp. 108-116, January 2001. [PDF] This paper was published in Journal of optical Society of America A and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://www.opticsinfobase.org/josaa/abstract.cfm?uri=josaa-18-1-108. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.
  70. M. El-Shenawee and C. Rappaport, “Modeling Clutter from Bosnian and Puerto Rican Rough Ground Surfaces for GPR Subsurface Sensing Applications Using the SDFMM Technique,” J. Subsurface Sensing Technologies and Applications, vol. 2, no. 3, pp. 249-264, July 2001. [PDF]
  71. M. El-Shenawee, “The Method of Lines for the Analysis of Asymmetric Coupled Microstrip Lines on Multilayers with an Inhomogeneous Overlay”, AEU (Archiv fur Elektronik und Ubertragungstechnik), Vol. 51, No. 6, pp. 309-311, November 1997. [PDF]
  72. M. El-Shenawee and A. Z. Elsherbeni, “Analysis of Signal Distortion on Coupled Microstrip Lines with an Overlay and a Notch,” Journal of Electromagnetics Waves and Applications (JEWA), Vol. 11, pp. 1627-1631, 1997. [PDF]
  73. E. Bahar and M. El-Shenawee, “Enhanced Backscatter from One Dimensional Random Rough Surfaces-Stationary Phase Approximations to Full Wave Solutions,” Journal of Optical Society of America A, Vol. 12, No. 1, pp. 151-161, January 1995. [PDF] ((This paper was published in Journal of Optical Society of America A and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://www.opticsinfobase.org/abstract.cfm?uri=josaa-12-1-151. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.))
  74. E. Bahar and M. El-Shenawee, “Full Wave Single and Multiple Scattering from Rough Surfaces,” Journal of Computational Physics, Vol. 115, No. 2, pp. 390-398, December 1994.
  75. M. El-Shenawee and E. Bahar, “Numerical Method to Compute TE and TM Multiple Scatter from Rough Surfaces Exhibiting Backscatter Enhancement,” IEEE Trans. on Magnetics,Vol. 30, No. 5, pp. 3140-3143, September 1994. [PDF]
  76. E. Bahar and M. El-Shenawee, “Vertically and Horizontally Polarized Diffuse Double Scatter Cross Sections for One Dimensional Random Rough Surfaces That Exhibit Enhanced Backscatter-Full Wave Solutions,” Journal of optical Society of America A, Vol. 11, No. 8, pp. 2271-2285, August 1994. [PDF] This paper was published in Journal of optical Society of America A and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://www.opticsinfobase.org/abstract.cfm?URI=josaa-11-8-2271. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.
  77. EE. Bahar and M. El-Shenawee, “Use of Supercomputers to Evaluate Singly and Doubly Scattered Electromagnetic Fields from Rough Surfaces,” IEEE Trans. on Magnetics, Vol. 27, No. 5, pp. 4287-4290, September 1991. [PDF]

Book Chapters

  1. O. Dorn, M. El-Shenawee, M. Moscoso, Iterative Microwave Inversion Algorithm Based on the Adjoit-Fields Method for Breast Cancer Application, Mathematics in Industry 12, pp. 587-591, Editors: Luis L. Bonilla and M. Moscoso, Springer-Verlag Berlin Heidelberg 2008.
  2. M. El-Shenawee and A. Elsherbeni, Analysis of Signal Distortion on Coupled Microstrip Lines With an Overlay and a Notch, Electromagnetic Waves, PIER 17, Progress in Electromagnetic Research, Chief Editor: J. A. Kong, EMW Publishing, Cambridge MA, 1997, Chapter 4-pp. 73-89.
”Referenced

Referenced Conference Papers: Published

  1.  Bilal Pirzada, Katie Welch, Zach Uttley, Jose Santos Batista, Mahmud-ul-Hasan Doha, Hugh Churchill, Magda El-Shenawee, “Investigation of Terahertz Black Phosphorus Photoconductive Emitters”, IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, July 23–28, 2023, Portland, Oregon, USA.
  2. Nikita Gurjar, Nagma Vohra, Morgan Ware, Magda El-Shenawee, “Terahertz Wave Interactions with Crystals – Experimental Measurements”, IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, July 23–28, 2023, Portland, Oregon, USA.
  3.  Nikita Gurjar, Morgan Ware, Magda El-Shenawee, “Polarimetric Terahertz Transmission Imaging of Crystal Quartz Sample”, IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, July 23–28, 2023, Portland, Oregon, USA.
  4.  Zach Uttley, Bilal Pirzada, Hugh Churchill, Magda El-Shenawee, “Terahertz Photoconductive Antenna Array Feed – Design and Fabrication”, IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, July 23–28, 2023, Portland, Oregon, USA.
  5. Nagma Vohra, Nikita Gurjar, Keith Bailey, Magda El-Shenawee,“Cancer Classification of Surgical Breast Tumor Specimens using Spectral Angular Mapping Terahertz Imaging”, IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, July 23–28, 2023, Portland, Oregon, USA.
  6. Bilal Pirzada, Zach Uttley, Magda El-Shenawee, “Parametric Performance Analysis of Terahertz Black Phosphorous Emitters”, IEEE Texas Symposium on Wireless & Microwave Circuits and Systems, April 19-20, 2023 Waco, Texas.
  7. Nikita Gurjar, Zach Uttley, Magda El-Shenawee, “Experimental Study on Interaction of Quartz Crystal with Terahertz Wave using Full Polarimetric System”, IEEE Texas Symposium on Wireless & Microwave Circuits and Systems, April 19-20, 2023 Waco, Texas.
  8. Zach Uttley, Jose Santos Batista, Mahmudul Doha, Katie Welch, Hugh Churchill, and Magda El-Shenawee, “Challenges in Measurement of Broadband THz Photoconductive Antennas,” 100th ARFTG Microwave Measurement ConferenceJanuary 22nd-25th, Las Vegas, 2023.
  9. H. Liu, N. Vohra, K. Bailey, M. El-Shenawee and A. Nelson, “Visual Enhancement and Semantic Segmentation of Murine Tissue Scans with Pulsed THz Spectroscopy,” 2023 IEEE 17th International Conference on Semantic Computing (ICSC), 2023. (Accepted).
  10. Zachary Uttley, Magda El-Shenawee, “Fabrication and Measurement of LT-GaAs Photoconductive THz Broadband Antennas,” Proc. IEEE/URSI, Denver, CO, 2022.
  11. Katie Welch, Mahmudul Doha, Zachary Uttley, Arash Fereidouni, Abayomi Omolewu, Jose Santos, Magda El-Shenawee, Hugh Churchill, ”Comparison of Hall Mobility and Carrier Density of Thin Black Phosphorus Exfoliated from Bulk Crystals Provided by Various Vendors,” Proc. IEEE/URSI, Denver, CO, 2022.
  12. Haoyan Liu, Nagma Vohra, Keith Bailey, Magda El-Shenawee, Alexander Nelson, ”Semantic Segmentation of Xenograft Tumor Tissues Imaged with Pulsed Terahertz Technology,” Proc. IEEE/URSI, Denver, CO, 2022.
  13. Vohra, K. Bailey, and M. El-Shenawee, “Terahertz Imaging of ENU Injected Sprague Dawley Rat Breast Cancer Tumors,” Proc. of IEEE APS/URSI2021, Marina Bay Sands, Singapore, 4-10 December 2021.
  14. Vohra and M. El-Shenawee, “K- and W-Band Free-Space Characterizations of Highly Conductive Radar Absorbing Materials,” Proc. of International Instrumentation & Measurement Technology Conference, 17-20 May 2021.
  15. Vohra, T. Chavez, J. R. Troncoso, N. Rajaram, J. Wu, K. Bailey, and M. El-Shenawee, “Terahertz Imaging of Breast Cancer using Human and Animal Models,” Proc. of IEEE Antenna Measurements and Applications (CAMA) 2021, Antibes Juan-les-Pins, France, 15-17 November 2021.
  16. Santos Batista and M. El-Shenawee, “3D Model of Terahertz Photoconductive Antenna using COMSOL Multiphysics,” Proc. of IEEE APS/URSI, Marina Bay Sands, Singapore, 4-10Dec. 2021.
  17. Santos Batista and M. El-Shenawee, “Investigation of Photoconductive Antenna Electrodes on Terahertz Signal Generation,” Proc. of IEEE APS/URSI, Marina Bay Sands, Singapore, 4-10Dec. 2021.
  18. Santos Batista and M. El-Shenawee, “Terahertz Signal Generation Measurements in Photoconductive Antennas using Time Domain Spectroscopy System,” Proc. of IEEE APS/URSI, Marina Bay Sands, Singapore, 4-10Dec. 2021.
  19. A. Malloy, R. Quezada, N. Vohra, and M. El-Shenawee, “Characterization of Integrated Circuit Interconnects Via Terahertz Band Radiation,” Arkansas Louis Stokes Alliance for Minority Participation, Little Rock, Arkansas, Nov. 7-8, 2021.
  20. R. Quezada, A. Malloy, N. Vohra, and M. El-Shenawee, “THz-Jets High Resolution Imaging,” Arkansas Louis Stokes Alliance for Minority Participation, Little Rock, Arkansas, Nov. 7-8, 2021.
  21. N. Vohra, J. S. Batista, and M. El-Shenawee, “Characterization of Radar Absorbing Materials at 75 GHz – 90 GHz using Free-Space System,” Proc. of IEEE-APS/URSI 2020, Montreal, Quebec, Canada, 5-10 July 2020.
  22. N. Vohra, K. Bailey, and M. El-Shenawee, “Imaging Breast Ductal Carcinoma In Situ (DCIS) using Pulsed Terahertz Spectroscopy System,” Proc. of IEEE-APS/URSI 2020, Montreal, Quebec, Canada, 5-10 July 2020.
  23. N. Vohra, K. Bailey, and M. El-Shenawee, “Dehydration Approach for Enhancing Terahertz Detection of Cancer in Freshly Excised Breast Tumors,” Proc. of IEEE-APS/URSI 2020, Montreal, Quebec, Canada, 5-10 July 2020.
  24. J. Santos, N. Burford, M. H. Doha, H. Churchill, and M. El-Shenawee, “Analysis of Black Phosphorus Terahertz Photoconductive Antenna,” Proc. of IEEE-APS/URSI 2020, Montreal, Quebec, Canada, 5-10 July 2020.
  25. T. Chavez, N. Vohra, J. Wu, N. Rajaram, K. Bailey, and M. El-Shenawee, “Supervised Statistical Learning for Cancer Detection in Dehydrated Excised Tissue with Terahertz Imaging,” Proc. of IEEE-APS/URSI 2020, Montreal, Quebec, Canada, 5-10 July 2020.
  26. T. Chavez, N. Vohra, J. Wu, K. Bailey, and M. El-Shenawee, “Spatial Image Segmentation for Breast Cancer Detection in Terahertz Imaging,” Proc. of IEEE-APS/URSI 2020, Montreal, Quebec, Canada, 5-10 July 2020.
  27. T. Kamucheka, Z. Gui, M. Huang, H. Churchill, and M. El-Shenawee, “Benchmark of Acceleware vs XFdtd for Field Simulations of Microstrip Patch Antenna,” 2020 International Applied Computational Electromagnetics Society Symposium (ACES), Monterey, CA, USA, 27-31 July 2020.
  28. N. Vohra, K. Bailey, and M. El-Shenawee, “Terahertz Experimental Measurements of Human Breast Tissue,” Proc. of ARFTG 2020, San Antonio, TX, 26-29 Jan  2020.
  29. N. Vohra, L. R. Rodriguez-Aguilar, J. S. Batista, and M. El-Shenawee, “Free-Space Characterization of Radar Absorbing Non-Magnetic Materials in the W-Band,” Proc. of ARFTG 2020, San Antonio, TX, 26-29 Jan  2020.
  30. N. Vohra, T. Bowman, K. Bailey, and M. El-Shenawee, “Image reconstruction of freshly excised human breast tumors using terahertz electrical properties,” Proc. of IEEE-APS/URSI 2019, Atlanta, GA, 7-12 July  2019.
  31. T. Chavez, T. Bowman, K. Bailey, J. Wu, and M. El-Shenawee, “Cancer Classification of Freshly Excised Murine Tumors with Ordered Orthogonal Projection,” Proc. of IEEE-APS/URSI 2019, Atlanta, GA, 7-12 July  2019.
  32. N. M. Burford, M. J. Evans, and M. El-Shenawee, “Fabrication and Characterization of Plasmonic Thin-Film Terahertz Photoconductive Antenna,” Proc. of IEEE-APS/URSI 2018, Boston, MA, 8-13 July  2018.
  33. T. Bowman, K. Bailey, and M. El-Shenawee, “Challenges in Terahertz Imaging of Freshly Excised Human Breast Tumors,” Proc. of IEEE-APS/URSI 2018, Boston, MA, 8-13 July  2018.
  34. T. Bowman, K. Bailey, and M. El-Shenawee, “Terahertz Time-domain Pulsed Spectroscopy of Human Breast Cancer Tissues,” Proc. of IEEE-APS/URSI 2018, Boston, MA, 8-13 July  2018.
  35. T. Bowman, K. Bailey, M. El-Shenawee, ”Terahertz Imaging of Transgenic Murine Breast Cancer Tumors,” Proc. of IEEE-APS/URSI 2018, Boston, MA, 8-13 July  2018.
  36. A. Shariffar, T. Bowman, C. Lai, M. Huang, K. Bailey, and M. El-Shenawee, “Modelling the Interaction of THz Waves with Breast Cancer Tissues,” Proc. of IEEE-APS/URSI 2018, Boston, MA, 8-13 July  2018.
  37. C. Oldfield, T. Bowman, M. El-Shenawee, ”Development of Tunable Breast Tissue Phantoms for Terahertz Imaging,” Proc. of IEEE-APS/URSI 2018, Boston, MA, 8-13 July  2018.
  38. T. Bowman, N. Vohra, K. Bailey, and M. El-Shenawee, “Polarized Terahertz Waves for Enhancing the Imaging Contrast of Excised Breast Cancer Tissues,” Proc. of IEEE-APS/URSI 2018, Boston, MA, 8-13 July  2018.
  39. T. Bowman, N. Rajaram, K. Bailey, and M. El-Shenawee, “THz Imaging Comparison of Xenograft and Transgenic Murine Breast Cancer Tumors,” Proc. of USNUNC-URSI 2018, Boulder, CO, 4-7 January 2018.
  40. T. Bowman and M. El-Shenawee, “Nondestructive Imaging of Packaged Microelectronics using Pulsed Terahertz Technology,” International Microelectronics and Packaging Society (IMAPS) 2017, Raleigh, North Carolina, 10-12 October 2017. (best in session)
  41. M. El-Shenawee, T. Bowman, T. Esparza, K. Khan, J. Wu, A. Chakraborty, and K. Bailey, “Statistical Signal Processing For Quantitative Assessment Of Pulsed Terahertz Imaging Of Human Breast Tumors,” 42nd International Conference on Infrared, Millimeter and Terahertz Waves, Cancun, Mexico, 27 August – 1 September 2017.
  42. T. Bowman, K. Alhallak, T. Esparza, M. K. Khan, D. Lee, N. Rajaram, J. Wu, A. Chakraborty, K. Bailey, and M. El-Shenawee, “Terahertz Imaging of Freshly Excised Breast Cancer using Mouse Model,” 42nd International Conference on Infrared, Millimeter and Terahertz Waves, Cancun, Mexico, 27 August – 1 September 2017.
  43. T. Bowman, K. Bailey, and M. El-Shenawee, “Pulsed Terahertz Imaging of Fresh and Fixed Human Breast Cancer Tissue,” 42nd International Conference on Infrared, Millimeter and Terahertz Waves, Cancun, Mexico, 27 August – 1 September 2017.
  44. C. E. Kintner, T. K. Anthony, A. I. Zaghloul, M. O. El-Shenawee, and S. J. Weiss, “Free-space Measurement of 3D Periodic Metamaterial,” 2017 URSI General Assembly and Scientific Symposium, Montreal, Quebec, Canada, 19-26 August 2017.
  45. T. Bowman, N. Rajaram, A. Chakraborty, K. Bailey, and M. El-Shenawee, “Terahertz Imaging and Segmentation of Freshly Excised Xenograft Mouse Tumors,” 2017 URSI General Assembly and Scientific Symposium, Montreal, Quebec, Canada, 19-26 August 2017.
  46. T. Bowman, K. Bailey, and M. El-Shenawee, “Terahertz Imaging of Freshly Excised Invasive Ductal Carcinoma Breast Tumors,” 2017 URSI General Assembly and Scientific Symposium, Montreal, Quebec, Canada, 19-26 August 2017.
  47. T. Bowman, N. Rajaram, K. Bailey, and M. El-Shenawee, “Terahertz Pulsed Imaging of Freshly Excised Xenograft Breast Cancer Tumors in Mice,” Proc. of 101st Annual Meeting of the Arkansas Academy of Sciences, Conway, AR, 7-8 April 2017.
  48. T. Bowman, A. Walter, N. Rajaram, Y. Wu, J. Gauch, L. Campbell, K. Bailey, and M. El-Shenawee, “Advances in Terahertz Imaging of Human Breast Carcinomas and Tumor Phantoms,” Proc. of Pittcon 2017, Chicago, IL, 5-9 March 2017.
  49. N. Burford, T. Bowman, B. Beitle, and M. El-Shenawee, “Terahertz Imaging for Defect Identification in Liquid-Sterilizing Membrane Devices,” Proc. of UNSC-URSI 2017, Boulder, CO, 4-7 January 2017.
  50. A. Walter, T. Bowman, O. Shenderova, N. Nunn, G. McGuire, and M. El-Shenawee, “Terahertz Spectroscopy for the Characterization of Microdiamond and Nano-Onion Particles,” Proc. of UNSC-URSI 2017, Boulder, CO, 4-7 January 2017.
  51. T. Bowman, S. Ravindranathan, D. Zaharoff, N. Rajaram, K. Bailey, and M. El-Shenawee, “Terahertz Imaging of Freshly Excised Murine Breast Cancer Tumors,” Proc. of UNSC-URSI 2017, Boulder, CO, 4-7 January 2017.
  52. T. Bowman, A. Walter, O. Shenderova, N. Nunn, G. McGuire, and M. El-Shenawee, “Nanoparticle-Enhanced Terahertz Imaging of Breast Cancer Phantoms,” Proc. of UNSC-URSI 2017, Boulder, CO, 4-7 January 2017.
  53. N. Burford and M. El-Shenawee, “Simulation, Fabrication and Measurement of Plasmonic-Enhanced Terahertz Photoconductive Antenna,” Proc. of SPIE Photonics West OPTO 2016, 15-18 February 2016.
  54. T. Bowman, M. El-Shenawee, and L. Campbell, “Regional spectroscopy of paraffin-embedded breast cancer tissue using pulsed terahertz transmission imaging,” Proc. of SPIE Photonics West BIOS 2016, 13-18 February 2016.
  55. T. Bowman, M. El-Shenawee, and L. Campbell, “Time of flight estimation for breast cancer margin thickness using embedded tumors,” Proc. of SPIE Photonics West BIOS, 13-18 February 2016.
  56. Y. Wu, T. Bowman, M. El-Shenawee, and J. Gauch, “Adaptive Enhancement and Visualization Techniques for 3D Terahertz Images of Breast Cancer Tumors,” Proc. of SPIE Photonics West BIOS, 13-18 February 2016.
  57. T. Bowman, A. Walter, and M. El-Shenawee, “Margin assessment of three-dimensional breast cancer phantoms using terahertz imaging,” Proc. of SPIE Photonics West BIOS, 13-18 February 2016.
  58. A. Walter, T. Bowman, and M. El-Shenawee, “Development of breast cancer phantoms for terahertz imaging,” Proc. of SPIE Photonics West BIOS, 13-18 February 2016.
  59. T. Bowman, Y. Wu, A. Walter, J. Gauch, M. El-Shenawee, and L. Campbell, “Time of Flight THz Imaging of 3D Ex-Vivo Breast Cancer Tumor Tissues,” Proc. of 40th Int. Conf. IRMMW-THz, Hong Kong, 23-28 August 2015.
  60. N. Smith, L. Rivera, N. Burford, T. Bowman, M. El-Shenawee, and G. DeSouza, “Towards Root Phenotyping in situ Using Terahertz Imaging,” Proc. of 40th Int. Conf. IRMMW-THz, Hong Kong, 23-28 August 2015.
  61. C. Arnold and M. El-Shenawee, “Design of Multi-Band Uniplanar MIMO Antenna for Mobile Devices with LTE/WLAN Operation,” Proc. of the IEEE Int. Symp. on Antennas and Prop. and North American Radio Science Meeting, Vancouver, Canada, 19-24 July 2015.
  62. N. Burford and M. El-Shenawee, “Modeling of Plasmonic Terahertz Antennas using COMSOL Multiphysics,” Proc. of the IEEE Int. Symp. on Antennas and Prop. and North American Radio Science Meeting, Vancouver, Canada, 19-24 July 2015.
  63. N. Burford and M. El-Shenawee, “Enhancement of Terahertz Imaging of Packaged Power Electronic Devices,” Proc. of the IEEE Int. Symp. on Antennas and Prop. and North American Radio Science Meeting, Vancouver, Canada, 19-24 July 2015.
  64. T. Bowman, M. El-Shenawee, and L. Campbell, “Z-Scan Terahertz Imaging of Embedded Three-Dimensional Breast Cancer Tissue,” Proc. of the IEEE Int. Symp. on Antennas and Prop. and North American Radio Science Meeting, Vancouver, Canada, 19-24 July 2015.
  65. A. Omolewu, T. Bowman, and M. El-Shenawee, “Numerical Simulation of THz Reflection Imaging of Breast Cancer Tissue,” Proc. of the IEEE Int. Symp. on Antennas and Prop. and North American Radio Science Meeting, Vancouver, Canada, 19-24 July 2015.
  66. T. C. Bowman, M. El-Shenawee, and L. K. Campbell. “Experimental Terahertz Z-Scan Imaging of Three-Dimensional Paraffin Embedded Breast Cancer Tissue.” Proc. of 2015 IEEE MTT-S International Microwave Symposium, Phoenix, AZ, 17-22 June 2015. [PDF]
  67. M. El-Shenawee, T. Bowman, N. Burford. “Terahertz Imaging and Spectroscopy for Biomedical, Security and Industrial Applications at the University of Arkansas.” PittCon 2015, New Orleans, 7-12 March 2015.
  68. T. C. Bowman, M. El-Shenawee, and L. K. Campbell. “Z-scan Terahertz Imaging of Three-Dimensional Embedded Breast Cancer Tissue.” Arkansas INBRE Research Conference, Fayetteville, AR, 7-8 November 2014
  69. N. Burford, B. Freiburger and M. El-Shenawee “Terahertz Investigation of X-Ray Anti-Imaging Coatings: Spectroscopic Characterization and Imaging.” Proc. of 39th Int. Conf. IRMMW-THz, Tucson, AZ, 14-19 September 2014.[PDF]
  70. N. Burford and M. El-Shenawee “Multiphysics Modeling of THz Photoconductive Antennas.” Proc. of 39th Int. Conf. IRMMW-THz, Tucson, AZ, 14-19 September 2014.[PDF]
  71. T. Bowman, M. El-Shenawee, and S. G. Sharma. “Terahertz Spectroscopy for the Characterization of Excised Human Breast Tissue.” Proc. of 2014 IEEE MTT-S International Microwave Symposium, Tampa Bay, FL, 1-6 June 2014.
  72. H. Tran*, N. Burford, S. A. Ghetmiri, L. Huang, Magda El-Shenawee and S-Qing Yu “Resonant Spectra of Metal Nanotoroids With Various Sizes,” STEM Posters at the Arkansas State Capitol, Little Rock, AR, March 7, 2014.
  73. Scarlett Acklin, Samantha Kurtz, Tyler Bowman, David Zaharoff, and Magda El-Shenawee, “Growth of breast tumors in vitro to characterize a novel imaging platform,” STEM Posters at the Arkansas State Capitol, Little Rock, AR, March 7, 2014.
  74. N. Burford, M. El-Shenawee, “Time-Domain Terahertz Imaging and Spectroscopy of X-Ray Blocking and Scattering Coatings,” Proc. of 2014 National Radio Science Meeting, Boulder, USA, January 8-11, 2014.
  75. T. Bowman, M. El-Shenawee. “Imaging and Analysis of Heterogeneous Breast Cancer Tissue Using Pulsed Terahertz System.” Proc. of 2014 National Radio Science Meeting, Boulder, USA, January 8-11, 2014.
  76. T. Bowman, M. El-Shenawee, and S. G. Sharma. “Pulsed Terahertz Imaging of Heterogeneous Breast Cancer Tissue.” Poster. 2013 ABI Fall Research Symposium, Little Rock, USA, October 15, 2013.
  77. T. Bowman and M. El-Shenawee, “Terahertz Spectroscopy and Imaging of FFPE Breast Cancer Tissue Samples,” Proc. of the 8th Annual Breast Cancer Challenge Conference, Branson, USA, July 26-27, 2013.
  78. T. Bowman and M. El-Shenawee, “Pulsed Terahertz Spectrometry of Excised Breast Cancer Tissue,” Proc. of the IEEE Int. Symp. on Antennas and Prop. and USNC/URSI National Radio Science Meeting, Orlando, USA, July 7-13, 2013.
  79. T. Bowman, A. M. Hassan, and M. El-Shenawee, “Terahertz Imaging of Breast Cancer Margin Using the Linear Sampling Method,” Proc. of the IEEE Int. Symp. on Antennas and Prop. and USNC/URSI National Radio Science Meeting, Orlando, USA, July 7-13, 2013.
  80. N. Burford and M. El-Shenawee, “Terahertz Spectroscopy of Photovoltaic Semiconductors,” Proc. of the IEEE Int. Symp. on Antennas and Prop. and USNC/URSI National Radio Science Meeting, Orlando, USA, July 7-13, 2013.[PDF]
  81. N. Burford and M. El-Shenawee, “Optimization of Nanotoroid Arrays for Plasmonic Solar Cell Applications,” Proc. of the IEEE Int. Symp. on Antennas and Prop. and USNC/URSI National Radio Science Meeting, Orlando, USA, July 7-13, 2013.[PDF]
  82. N. Burford and M. El-Shenawee, “Parallel MoM Computation of Localized Field in Silicon due to Finite Array of Nanotoroids,” Proc. 29th Annual Review of Progress in Applied Computational Electromagnetics, March 24-28, 2013. [PDF]
  83. N. Burford and M. El-Shenawee, “Qualitative Measure of Photocurrent Enhancement in Silicon Solar Cells due to Plasmonic Antennas,” Proc. 29th Annual Review of Progress in Applied Computational Electromagnetics, March 24-28, 2013. [PDF]
  84. M. A. Roddy and M. El-Shenawee, “Computational Design of Steerable Broadband MEMS Antennas,” Proc. 29th Annual Review of Progress in Applied Computational Electromagnetics, March 24-28, 2013. [PDF]
  85. N. Burford and M. El-Shenawee, “Absorption Enhancement in Silicon Solar Cells Due to Surface Plasmons of Nanotoroids,” Proc. of the IEEE Int. Symp. on Antennas and Prop. and USNC/URSI National Radio Science Meeting, Chicago, USA, July 8-13, 2012.[PDF]
  86. N. Burford, M. El-Shenawee, S. Shumate, D. Hutchings, H. Naseem, “Field Enhancement Due to Surface Structuring During Aluminum Induced Crystallization of Amorphous Silicon,” Proc. of the IEEE Int. Symp. on Antennas and Prop. and USNC/URSI National Radio Science Meeting, Chicago, USA, July 8-13, 2012.[PDF]
  87. A. M. Hassan, D. C. Hufnagle, G. E. Pacey, and M. El-Shenawee, “Terahertz Tomography Technique for the Assessment of Breast Cancer Tumor Margins,” Proc. of the IEEE Int. Symp. on Antennas and Prop. and USNC/URSI National Radio Science Meeting, Chicago, USA, July 8-13, 2012.[PDF]
  88. A. M. Hassan, T. Bowman, and M. El-Shenawee, “The Linear Sampling Method for the Acceleration of the Level Set Algorithm,” Proceedings of the IEEE International Symposium on Antennas and Propagation and USNC/URSI National Radio Science Meeting, Chicago, USA, July 8-13, 2012.[PDF]
  89. A. M. Hassan, D. C. Hufnagle, M. El-Shenawee, and G. E. Pacey, “Terahertz Imaging for Margin Assessment of Breast Cancer Tumors,” Proceedings of the IEEE International Microwave Symposium (IMS), Montreal, Canada, June 17-22, 2012. [PDF]
  90. Magda El-Shenawee and Ahmed Hassan, “How much is enough and can we image margins in breast cancer?,” The Proceedings of the 2011 Breast Cancer Challenge Conference, Winthrop P. Rockefeller Cancer Institute, Big Cedar, MO, July 2011.
  91. A. M. Hassan and M. El-Shenawee, “The Diffusion-Drift Algorithm for Modeling the Biopotential Signals of Breast Tumors,” NIH Cancer Detection and Diagnostics Technologies for Global Health, NIH campus- Building 45, Bethesda, Maryland, USA, Aug. 22-23, 2011.
  92. M. El-Shenawee, P. Blake, A. M. Hassan, and D. K. Roper, “Surface Plasmons of Finite Nanoring Arrays,” Proceedings of the IEEE International Symposium on Antennas and Propagation and USNC/URSI National Radio Science Meeting, Spokane, WA, USA, pp. 1609-1612, July 3-8, 2011.[PDF]
  93. A. M. Hassan and M. El-Shenawee, “Modeling the Electrophysiological Activities of Breast Tumors with Different Morphologies,” Proceedings of the IEEE International Symposium on Antennas and Propagation and USNC/URSI National Radio Science Meeting, Spokane, WA, USA, pp. 726-729, July 3-8, 2011.[PDF]
  94. A. M. Hassan, M. R. Hajihashemi, and M. El-Shenawee, “Level Set Algorithm for the Shape Reconstruction in the Terahertz Band,” Proceedings of the IEEE International Symposium on Antennas and Propagation and USNC/URSI National Radio Science Meeting, Spokane, WA, USA, July 3-8, 2011.[PDF]
  95. A. Sabbah, A. M. Hassan, and M. El-Shenawee, “Terahertz Waves for Imaging Explosive Materials using Tomography Methods,” Proceedings of the IEEE International Symposium on Antennas and Propagation and USNC/URSI National Radio Science Meeting, Spokane, WA, USA, July 3-8, 2011.[PDF]
  96. M. R. Hajihashemi and M. El-Shenawee, “Inverse Scattering Level Set Algorithm for Retrieving the Shape and Location of Multiple Targets,” Proceedings of the EuCAP 2011, Rome, Italy, April 11-15, pp. 3979-3983, 2011.[PDF]
  97. M. El-Shenawee, “Electromagnetic Imaging for Breast Cancer Research,” Proceedings of the IEEE Radio and Wireless Symposium: BioWireleSS, Phoenix, Arizona, USA, January 16-19, pp. 55-58, 2011.[PDF]
  98. M. El-Shenawee and R. Bachelot, “Magnetic Field Enhancement using Nanotoroid Antenna Array,” Proceedings of the IEEE International Symposium on Antennas and Propagation and USNC/URSI National Radio Science Meeting, Toronto, Canada, July 11-17, 2010.[PDF]
  99. A. M. Hassan and M. El-Shenawee, “The MPI Parallelization of the Diffusion-Drift Algorithm for Quantitative Analysis of Breast Tumor Electric Signals,” Proceedings of the IEEE International Symposium on Antennas and Propagation and USNC/URSI National Radio Science Meeting, Toronto, Canada, July 11-17, 2010.[PDF]
  100. M. R. Hajihashemi and M. El-Shenawee, “The Level Set Technique for Microwave Imaging of 3D Dielectric Objects,” Proceedings of the IEEE International Symposium on Antennas and Propagation and USNC/URSI National Radio Science Meeting, Toronto, Canada, July 11-17, 2010.[PDF]
  101. D. A. Hutchings and M. El-Shenawee, “Fabrication of Broadband MEMS Antennas and Application to Target Detection,” Proceedings of the IEEE International Symposium on Antennas and Propagation and USNC/URSI National Radio Science Meeting, Toronto, Canada, July 11-17, 2010.[PDF]
  102. F. Deek and M. El-Shenawee, “Detecting Flaws in Buried Pipes Under Rough Surface Using The Natural Frequency Technique,” Proceedings of the IEEE International Symposium on Antennas and Propagation and USNC/URSI National Radio Science Meeting, Toronto, Canada, July 11-17, 2010.[PDF]
  103. D. A. Hutchings, M. El-Shenawee and S. Tung, “Electromagnetic Characterization of Broadband MEMS Antenna,” Proceedings of the 26th Annual Review of Progress in Applied Computational Electromagnetics Conference, Tampere, Finland, pp. 242-247, April 26-29, 2010.[PDF]
  104. A. M. Hassan, M. El-Shenawee, “Modeling Electromagnetic Signals of Multiple Breast Cancerous Cells,” Proc. 2010 USNC-URSI National Radio Science Meeting, Boulder Colorado, January 6-9, 2010.[PDF]
  105. D. A. Woten, M. El-Shenawee, S. Tung, “Design and Fabrication of a MEMS Steerable Broadband Antenna Capable of Dual Polarization,” Proc. 2010 USNC-URSI National Radio Science Meeting, Boulder Colorado, January 6-9, 2010.[PDF]
  106. M. R. HajiHashemi, M. El-Shenawee, “Inverse Scattering of Multiple 3D Dielectric Targets using the Level Set Algorithm,” Proc. 2010 USNC-URSI National Radio Science Meeting, Boulder Colorado, January 6-9, 2010.[PDF]
  107. F. G. Deek, M. El-Shenawee, “Crack Detection In Buried Pipes Using Complex Resonant Frequencies,” Proc. 2010 USNC-URSI National Radio Science Meeting, Boulder Colorado, January 6-9, 2010.[PDF]
  108. A. M. Hassan, M. R. Hajihashemi, M. El-Shenawee, A. Al-Zoubi, A. Kishk, “Spatial Low Pass Filter for TE Experimental Measurements for Microwave Image Enhancement,” Proc. 2010 USNC-URSI National Radio Science Meeting, Boulder Colorado, January 6-9, 2010.[PDF]
  109. M. R. Hajihashemi, M. El-Shenawee, “MPI Implementation of the level set algorithm for Microwave Imaging Applications,” Early Adopters Ph.D. Workshop: Building the Next Generation of Application Scientists, SC09 International Conference for High Performance Computing, Networking, Storage and Analysis, Portland, Oregon, Nov. 14-Nov. 20. 2009.
  110. A. Hassan, M. El-Shenawee, “Modeling electrical activities of a growing breast cancerous cell based on a semiconductor approach” the 31st Annual International Conference of the IEEE Engineering in Medicine and Biology Society, Minneapolis, MN, Sept 2-6, 2009.[PDF]
  111. M. El-Shenawee, D. Macias, A. Baudrion, R. Bachelot, “Torus Nano-Antenna: Enhanced Field and Radiation Pattern,” Proc. of the IEEE International Symposium on Antennas and Propagation and USNC/URSI National Radio Science Meeting, Charleston, SC, USA, June 1-5, 2009.[PDF]
  112. A. Hassan, D. A. Woten, M. Hajihashemi, A. Al-Zoubi, M. El-Shenawee, A. Kishk, “Experimental Microwave Imaging Using Ultra-Wideband Dielectric Resonator Antennas,” Proc. of the IEEE International Symposium on Antennas and Propagation and USNC/URSI National Radio Science Meeting, Charleston, SC, USA, June 1-5, 2009.[PDF]
  113. F. Deek, J. Rutledge, M. R. Hajihashemi, A. Hassan, D. Woten, M. El-Shenawee, “Automated GPR Surface Scanning System for Investigation of Defects in Buried Pipes,” Proc. of the IEEE International Symposium on Antennas and Propagation and USNC/URSI National Radio Science Meeting, Charleston, SC, USA, June 1-5, 2009.[PDF]
  114. M. R. Hajihashemi, M. El-Shenawee, “Level Set Shape Reconstruction Algorithm for TE Polarization,” Proc. of the IEEE International Symposium on Antennas and Propagation/URSI National Radio Science Meeting, Charleston, SC, USA June 1-5, 2009.[PDF]
  115. M. R. Hajihashemi, M. El-Shenawee, “MPI Parallelization of the Level-Set Reconstruction Algorithm,” Proc. of the IEEE International Symposium on Antennas and Propagation/URSI National Radio Science Meeting, Charleston, SC, USA, June 1-5, 2009.[PDF]
  116. M. R. Hajihashemi, Magda El-Shenawee, “Three-Dimensional Level Set Algorithm for Shape Reconstruction of Conducting Objects,” Proc. of the IEEE International Symposium on Antennas and Propagation/URSI National Radio Science Meeting, Charleston, SC, USA, June 1-5, 2009.[PDF]
  117. D. A. Woten, M. El-Shenawee, S. Tung, “Planar Broadband Dual-Linearly Polarized MEMS Steerable Antenna,” Proc. of the IEEE International Symposium on Antennas and Propagation/URSI National Radio Science Meeting, Charleston, SC, USA, June 1-5, 2009.[PDF]
  118. D. A. Woten and M. El-Shenawee, “Error Analysis of Breast Tumor Signature versus Skin Thickness at Microwave Frequencies,” Proc. of the IEEE Antenna and Propagation Symposium, San Diego, CA, July 2008.[PDF]
  119. D. A. Woten, M. El-Shenawee, S. Tung, “MEMS Platform for Planar Broadband Dual-Linearly Polarized Antenna,” Proc. of the IEEE Antenna and Propagation Symposium, San Diego, CA, July 2008.[PDF]
  120. A. Hassan, M. El-Shenawee, H. Eswaran, “A Feasibility Study for Passive Detection of Breast Tumors using Naturally Generated Magnetic Fields,” Proc. of the IEEE International Symposium on Antennas and Propagation and USNC/URSI National Radio Science Meeting, San Diego, CA, July 2008.[PDF]
  121. M. R. Hajihashemi, M. El-Shenawee, “Level Set Algorithm for Shape Reconstruction of Multiple Conducting Cylinders with Arbitrary Cross-Sections,” Proc. of IEEE International Symposium on Antennas and Propagation, San Diego, CA, July 2008.[PDF]
  122. M. R. Hajihashemi, M. El-Shenawee, “The Level Set Algorithm for Microwave Imaging of Hidden Objects,” Proc. of IEEE International Symposium on Antennas and Propagation, July 2008.[PDF]
  123. A. Hassan, S. Burkett, M. El-Shenawee, “Parametric Investigation of Hilbert Based Artificial Magnetic Conductors” Proc. of the Annual Review of Progress in Applied Computational Electromagnetics, pp. 1040-1045, Niagara Falls, Canada, March 2008.[PDF]
  124. D. A. Woten, S. Pandalraju and M. El-Shenawee, “Breast Skin Effect on Scattered Electromagnetic Fields,” Proc. of the Applied Computational Electromagnetics Society Symposium, Niagara Falls, Canada, pp. 27-32, March 2008.[PDF]
  125. A. Hassan, M. El-Shenawee, “Mathematical Modeling of Breast Lesion Growth” Proc. of the Annual Review of Progress in Applied Computational Electromagnetics, pp. 86-91, Niagara Falls, Canada, March, 2008.[PDF]
  126. M. R. Hajihashimi, M. El-Shenawee, “Breast Shape Reconstruction using Microwave Techniques and the Level Set Method,” Proc. of the Annual Review of Progress in Applied Computational Electromagnetics, pp. 98-103, Niagara Falls, Canada, March, 2008.[PDF]
  127. S. Shumate, M. El-Shenawee, “Computational Model of Ductal Carcinoma In-Situ,” Proc. of the Annual Review of Progress in Applied Computational Electromagnetics, pp. 483-488, Niagara Falls, Canada, March, 2008.[PDF]
  128. D. A. Woten, O. Kegege, M. R. Hajihashimi, A. Hassan, M. El-Shenawee, “Microwave Detection using Real Measurement Data,” Proc. of the Annual Review of Progress in Applied Computational Electromagnetics, pp. 650-655, Niagara Falls, Canada, March 2008.[PDF]
  129. J. Greenlee, S. Shumate, M. El-Shenawee, “A Comprehensive Approach to Modeling Breast Cancer,” Proc. of 2008 Ohio Collaborative Conference on Bioinformatics, Toledo, Ohio, June 2008.
  130. D. Woten, M. El-Shenawee, “Improvement of Artificial Neural Network Detection of Breast Cancer Using Broadband Dual Polarized Antenna,” Proc. of the IEEE 2007 AP-S International Symposium, pp. 261-264, Honolulu, Hawaii, June 2007.[PDF]
  131. M. El-Shenawee, M. Castro, O. Dorn, “On the Stability of Surface Shape Reconstruction Using Microwave Algorithm for 3-D Breast Tumor Based on the Adjoint-Fields Scheme,” Proc. of the IEEE 2007 AP-S International Symposium, pp. 2188-2191, Honolulu, Hawaii, June 2007.[PDF]
  132. D. A. Woten, J. Lusth, M. El-Shenawee, “Interpreting Artificial Neural Network Output for the Microwave Detection of Breast Cancer,” Proc. 23rd International Review of Progress in Applied Computational Electromagnetics Conference ACES 2007, pp. 91-96, Verona, Italy, March 2007.[PDF]
  133. M. El-Shenawee, O. Dorn, M. Castro, “Reconstruction of 3-D Irregular Shape of Breast Cancer Tumor Using the Adjoint-Field Scheme in the Microwave Imaging Algorithm,” the Proc. 23rd International Review of Progress in Applied Computational Electromagnetics Conference ACES 2007, pp. 1288-1293, Verona, Italy, March 2007.[PDF]
  134. M. R. Hajihashemi, M. El-Shenawee, “A Comparative Study of Different Tomography Methods for Breast Cancer Application,” Proc. of IEEE Region 5 Technical Conference, pp. 21-24, Fayetteville, Arkansas, April 2007.[PDF]
  135. S. Shumate and M. El-Shenawee, “Computational model of breast cancer tumor growth,” Proc. of IEEE Region 5 Technical Conference, pp. 13-15, Fayetteville, Arkansas, April 2007.[PDF]
  136. D. A. Woten and M. El-Shenawee, “Effect of wave polarization on breast cancer detection,” Proc. of IEEE Region 5 Technical Conference, pp. 5-8, Fayetteville, Arkansas, April 2007.[PDF]
  137. S.D. Shumate and M. El-Shenawee, “Computational model of ductal carcinoma in-situ,” Proceedings of the ACES 2008 Conference, Niagara Falls, Canada, April, 2008.
  138. Douglas Woten and Magda El-Shenawee, “Improvement of Artificial Neural Network Detection of Breast Cancer Using Broadband Dual Polarized Antenna,” Proc. of the IEEE 2007 AP-S International Symposium, pp. 261-264, Honolulu, Hawaii, June 10-15, 2007. [PDF]
  139. Magda El-Shenawee, Miguel Castro and Oliver Dorn, “On the Stability of Surface Shape Reconstruction Using Microwave Algorithm for 3-D Breast Tumor Based on the Adjoint-Fields Scheme,” Proc. of the IEEE 2007 AP-S International Symposium, pp. 2188-2191, Honolulu, Hawaii, June 10-15, 2007. [PDF]
  140. Magda El-Shenawee, Oliver Dorn and Miguel Castro, “Iterative microwave inversion algorithm based on the adjoint-field method for breast cancer application,” Proc. of the 14th European Conference on Mathematics for Industry, pp. 43, July 10-14, Madrid 2006. [PDF]
  141. Seth Shumate and Magda El-Shenawee, “Computational model of breast cancer tumor growth,” the IEEE Symposium Region 5, pp. 13-15, the University of Arkansas, Fayetteville, April 22-24, 2007. [PDF]
  142. Mohammad Reza and Magda El-Shenawee, “A comparative study of diffraction tomography methods for breast cancer application,” the IEEE Symposium Region 5, 21-24, the University of Arkansas, Fayetteville, April 22-24, 2007. [PDF]
  143. Douglas Woten, Magda El-Shenawee, and John Lusth, “Effect of wave polarization on breast cancer detection,” the IEEE Symposium Region 5, pp. 5-8, the University of Arkansas, Fayetteville, April 22-24, 2007. [PDF]
  144. Magda El-Shenawee, Oliver Dorn and Miguel Castro, “Iterative microwave inversion algorithm based on the adjoint-field method for breast cancer application,” Proc. of the 14th European Conference on Mathematics for Industry, July 10-14, Madrid 2006. [PDF]
  145. Shruti Pandalraju, Payam Rashidi, Magda El-Shenawee, Demetrio Macias, “The Mie Solution for Improving the Evolution Strategy in Breast Cancer Imaging,” Proc. of the Progress in Electromagnetics Research Symposium (PIERS 2006), Boston, March 26-29, 2006. [PDF]
  146. Payam Rashidi, Douglas Woten, John Lusth, Magda El-Shenawee, “Neural Networks as Statistical Indicator of Breast Cancer using Scattered Electromagnetic Data,” Proc. of the Progress in Electromagnetics Research Symposium (PIERS 2006), Boston, March 26-29, 2006. [PDF]
  147. Magda El-Shenawee, Oliver Dorn and Miguel Moscoso, “The Adjoint-Field Method for Reconstructing Breast Cancer Tumors of Irregular Shape,” Proc. of the Progress in Electromagnetics Research Symposium (PIERS 2006), Boston, March 26-29, 2006. [PDF]
  148. Payam Rashidi, Magda El-Shenawee, and Demetrio Macías, “Microwave Imaging of Three-Dimensional Malignant Breast Tumors Employing an Enhanced Evolution Strategy,” Proc. of the IEEE AP-S International Symposium and URSI Radio Science Meeting, Washington DC, July 3-8, 2005. [PDF]
  149. Vigneshwar K. Raja and Magda El-Shenawee, “Eccentric Annular Slot Antenna for Breast Cancer Detection Based on the Finite-Difference-Time-Domain Method,” Proc. of the IEEE/ACES International Conference on Wireless Communications and Computational Electromagnetics, Hawaii, April 3-7, 2005. [PDF]
  150. Payam Rashidi, Magda El-Shenawee, Demetrio Macías, and Eric Miller, “Microwave Imaging of Three-Dimensional Dielectric Objects Employing Evolution Strategies,” Proc. of the IEEE/ACES International Conference on Wireless Communications and Computational Electromagnetics, Hawaii, April 3-7, 2005. [PDF]
  151. Magda El-Shenawee and Eric Miller, “Inversion Algorithm for Reconstructing the Shape and Location of Three-Dimensional Malignant Breast Cancer Tumor,” Proc of the IEEE AP-S International Symposium and URSI Radio Science Meeting, Washington DC, July 3-8, 2005.
  152. Magda El-Shenawee and Eric Miller, “Microwave Imaging of Malignant Breast Cancer Tumor Based on Optimization Technique,” Proc. of the 16th International Zurich Symposium on Electromagnetic Compatibility-Biomedical EMC, pp. 85-88, Zurich February 14-18, 2005.
  153. Magda El-Shenawee and Eric Miller, “Inverse Scattering Computational Algorithm for the Reconstruction of Random Rough Profiles,” Proc. of the IEEE AP-S International Symposium and URSI Radio Science Meeting, vol. 1 (AP), pp. 205-209, Monterey, CA, June 20-25, 2004. [PDF]
  154. Magda El-Shenawee, “Modeling the Resonance Phenomenon of Electromagnetic Waves Scattered from Malignant Breast Cancer Tumors,” Proc. of the IEEE AP-S International Symposium and URSI Radio Science Meeting, p. 224 (URSI), Monterey, CA, June 20-25, 2004.
  155. Magda El-Shenawee and Eric Miller, “Computational Algorithm for Re-Constructing the Profile of Two- Dimensional Rough Surfaces,” Proc. of Computational Imaging II, edited by Charles A. Bouman, Eric L. Miller, Proceedings of SPIE-IS & T Electronic Imaging, SPIE Vol. 5299, 43-50, January 2004. [PDF]
  156. Magda El-Shenawee and Eric Miller, “Joint Retrieval of Target and Background Electrical Parameters of Buried Objects,” Proc of Progress in Electromagnetics Research Symposium (PIERS 2004), March 28-31, in Pisa, Italy, 2004.
  157. Magda El-Shenawee, “Detection of Breast Cancer Tumors Based on the Resonance Phenomenon of Electromagnetic Waves”, Proc of Progress in Electromagnetics Research Symposium (PIERS 2004), March 28-31, in Pisa, Italy, 2004.
  158. Magda El-Shenawee and Eric Miller, “Reconstruction of Two-Dimensional Rough Surface Profile using Optimization Techniques,” Proc. of Progress in Electromagnetics Research Symposium (PIERS 2004), March 28-31, in Pisa, Italy, 2004.
  159. Magda El-Shenawee, Carey Rappaport and Eric Miller, “Polarimetric Scattering from Targets Buried Beneath 2-D Randomly Rough Surfaces,” Proc. of the IEEE AP-S International Symposium and URSI Radio Science Meeting, Columbus, Ohio, June 22-27, 2003.
  160. Magda El-Shenawee and Eric Miller, “The Covariance Matrix for Radar Imaging of Targets Buried Beneath Two Dimensional Rough Surfaces,” Proc. of Photo-Optical Instrumentation Engineers (SPIE) Vol. 5089 Detection and Remediation Technologies for Mines and Mine like Targets VIII, pp. 265-273, April, 2003. [PDF]
  161. Magda El-Shenawee, Carey Rappaport and Eric Miller, “Scattering from Dielectric Targets Buried Beneath 2-D Randomly Rough Surfaces,” Proc. of Photo-Optical Instrumentation Engineers (SPIE) Vol. 5089 Detection and Remediation Technologies for Mines and Mine like Targets VIII, pp. 258-264, April, 2003. [PDF]
  162. Magda El-Shenawee, “Mueller Matrix Elements for Subsurface Sensing Applications of Targets Buried in Randomly Rough Ground,” Proc. of Applied Computational Electromagnetics (ACES 2003), Monterey, CA, pp. 144-148, March 24-28, 2003.
  163. Magda El-Shenawee, “Electromagnetic Wave Scattering from Multi-layered Random Rough Surfaces with Buried Dielectric Object,” Proc. of the IEEE AP-S International Symposium and URSI Radio Science Meeting, San Antonio, TX, June 16-21, 2002. [PDF]
  164. Magda El-Shenawee, “Subsurface Sensing of Targets Buried Beneath 2-D Multilayered Random Rough Surfaces: Use of the Steepest Descent Fast Multipole Method,” Proc. of PIERS 2002, Cambridge, MA, July 1-5, 2002. [PDF]
  165. Magda El-Shenawee and Carey Rappaport, “The Steepest Descent Fast Multipole Method for Clutter Statistics in Minefields Using Monte Carlo Simulations,” Proc. of PIERS 2002, Cambridge, MA, July 1-5, 2002.
  166. Magda El-Shenawee, “Scattering from Non-Shallow Targets Buried Beneath Two-Dimensional Random Rough Surfaces Using the Multiple Interaction Model,” Proc. of the PIERS 2002, Cambridge, MA, July 1-5, 2002. [PDF]
  167. M. El-Shenawee, “Scattering from Multilayered Random Rough Surfaces Using the Steepest Descent Fast Multipole Method (SDFMM) and the Multiple Interaction Model,” Proc. of the SPIE’s International Symposium on AeroSense, Orlando, FL, April 16-20, 2002. [PDF]
  168. M. El-Shenawee and C. Rappaport, “Parametric Investigation of Ground Roughness on the Interference Between the AP-Mine and a Clutter-Object Buried Under Two-Dimensional Random Rough Surfaces,” Proc. of the SPIE’s International Symposium on AeroSense, Orlando, FL, April 16-20, 2002. [PDF]
  169. He (Sophia) Zhan, Carey Rappaport, Magda El-Shenawee and Eric Miller, “Hypothesis Testing Detection of Mines Buried Under Rough Ground Surfaces using 2-D FDTD Modeling,” Proc. of the SPIE’s International Symposium on Aero Sense, Orlando, FL, pp. 1008-1016, April 16-20, 2002. [PDF]
  170. M. El-Shenawee and C. Rappaport, “Electromagnetic Wave Scattering from Two Nearby Objects Buried UnderRandom Rough Surface Using the SDFMM: Subsurface Sensing Applications,” Proc. of the IEEE AP-S International Symposium and URSI Radio Science Meeting, Boston, MA July 8-13, 2001. [PDF]
  171. M. El-Shenawee and C. Rappaport, “Statistics of Electromagnetic Near Fields Scattered from 3-D AP Mines Buried under Random Rough Surface, Calculated Using the Steepest Descent Fast Multilevel Multipole (SDFMM),” Proc. of the SPIE’s International Symposium on AeroSense, Orlando, FL, April 16-20, 2001.
  172. H. Zhan, C. Rappaport, M. El-Shenawee and E. Miler, “Mine Detection Under Rough Ground Surfaces Using 2-D FDTD Modeling and Hypothesis Testing,” Proc. of the IEEE AP-S International Symposium and URSI Radio Science Meeting, Boston, MA July 8-13, 2001. [PDF]
  173. C. Rappaport and M. El-Shenawee, “Modeling GPR Signal Degradation from Random Rough Ground,” Proc. of IGARSS’2000 in Honolulu, July 24-28, 2000. [PDF]
  174. M. El-Shenawee, E. Miller and C. Rappaport, “Analysis of Three Dimensional Scattering from Random Rough Surfaces with Buried Penetrable Objects for Mine Detection Applications,” Proc. of the IEEE AP-S International Symposium and URSI Radio Science Meeting, Salt Lake City, UT, July 16-21, 2000.
  175. M. El-Shenawee, V. Jandhyala, E. Michielssen, and W. C. Chew, “Analysis of Low Grazing Angle Scattering from Composite Random Rough Surfaces using the Steepest Descent Fast Multipole Method (SDFMM),” Proc. of PIERS 2000, Boston, MA, July 5-14, 2000. [PDF]
  176. M. El-Shenawee and C. Rappaport, “Modeling Clutter from Random Rough Ground for GPR Subsurface Sensing Applications,” Proc. of PIERS 2000, Boston, MA, July 5-14, 2000. [PDF]
  177. M. El-Shenawee and C. Rappaport, “Quantifying the Effects of Different Rough Surface Statistics for Mine Detection Using the FDTD Technique,” Proc. of the SPIE’s International Symposium on AeroSense, Orlando, FL, April 24-28, 2000.
  178. W. C. Chew, M. El-Shenawee, V. Jandhyala, and E. Michielssen, “Scattering at Low Grazing Angles from Large Scale Two Dimensional Random Rough Surfaces Using the Steepest Descent Fast Multipole Method (SDFMM),” Proc. of the International Union of Radio Science, XXVIth General Assembly, University of Toronto, Toronto, Canada, August 13-21, 1999. [PDF]
  179. M. El-Shenawee, V. Jandhyala, E. Michielssen, and W. C. Chew, “The Steepest Descent Fast Multipole Method (SDFMM) for Solving the Combined Field Integral Equation Pertinent to Rough Surface Scattering,” Proc. of the 1999 IEEE AP-S International Symposium and URSI Radio Science Meeting, Orlando, Florida, July 11-16, 1999. [PDF]
  180. M. El-Shenawee, V. Jandhyala, E. Michielssen, and W.C. Chew, “An Enhanced Steepest Descent Fast Multipole Method for the Analysis of Scattering from Two Dimensional Multilayered Rough Surfaces,” Proc. of the 1998 IEEE AP-S International Symposium and URSI Radio Science Meeting, Atlanta Georgia, June 16-21, 1998.
  181. E. Bahar, and M. El-Shenawee, “High-frequency approximations of the full wave solutions to single and double scatter cross-sections for two-dimensional random rough surfaces,” Proc. of SPIE, San Diego, CA, July 19-23, 1998.
  182. M. El-Shenawee, “Propagation Characteristics of Microstrip Transmission Lines on Rough Dielectric Substrate Surface,” Proc. of the 1997 IEEE AP-S International Symposium and URSI Radio Science Meeting, Montreal, Canada, July 13-18, 1997. [PDF]
  183. M. El-Shenawee and A. Z. Elsherbeni, “Method of Lines Analysis of Coupled Microstrip Transmission Line with a Notch,” Proc. of the 1997 IEEE AP-S International Symposium and URSI Radio Science Meeting, Montreal, Canada, July 13-18, 1997. [PDF]
  184. M. El-Shenawee and H. Y. Lee, “Characterization of Asymmetric Microstrip Transmission Lines on Multilayers With FR-4 Composite Overlay,” Proc. of the Applied Computational Electromagnetic Society (ACES 1997), Monterey, CA, March 17-21, 1997. [PDF]
  185. M. El-Shenawee and A. Z. Elsherbeni, “Full Wave Characteristics of a Two Conductor Multilayer Microstrip Transmission Line Using the Method of Lines,” Proc. of the Applied Computational Electromagnetic Society (ACES 1997), Monterey, CA, March 17-21, 1997.
  186. M. El-Shenawee, “Effect of Inhomogeneous Dielectric Layers on Dispersion of Microstrip Lines Using MoL”, Proc. of the 1996 IEEE AP-S International Symposium and URSI Radio Science Meeting, Hyatt Regency Baltimore, Maryland, July 21-26, 1996. [PDF]
  187. M. El-Shenawee and E. Bahar, “Single and Double Like and Cross Polarized Scatter from Two Dimensional Random Rough Surfaces-High Frequency Approximations,” Proc. of the IEEE AP-S International Symposium and URSI Radio Science Meeting, Hyatt Regency Baltimore, Maryland, July 21-26, 1996. [PDF]
  188. M. El-Shenawee and E. Bahar, “Double Scatter Radar Cross Sections for Two Dimensional Random Rough Surfaces That Exhibit Backscatter Enhancement,” Proc. of the Applied Computational Electromagnetic Society (ACES 1996), Monterey, CA, March 18-22, 1996. [PDF]
  189. M. El-Shenawee and E. Bahar, “Enhanced Backscatter from Two Dimensional Random Rough Surfaces,” Proc. of the National Radio Science Meeting, Boulder Colorado, January 9-13, 1996. [PDF]
  190. M. El-Shenawee and E. Bahar, “Double Scatter Radar Cross Sections for Two Dimensional Random Rough Surfaces-High Frequency Approximation,” Proc. 1995 IEEE AP-S International Symposium and USNC/URSI Radio Meeting, Newport Beach, CA, June 18-23, 1995. [PDF]
  191. M. El-Shenawee and E. Bahar, “Double Scatter from Two Dimensional Random Rough Surfaces That Exhibit Enhanced Backscatter,” Proc. of the PIERS 1995 at Seattle, Washington, July 24-28, 1995. [PDF]
  192. M. Khattab and M. El-Shenawee, “Construction Operation Cost/Time Tracking Systems,” Proc. of the First International Conference on Electronics, Circuits and Systems (ICECS’94), December 19-22, Cairo, Egypt, 1994. [PDF]
  193. M. El-Shenawee and E. Bahar, “High Frequency Approximations for the Multiple Scatter Cross Sections of One and Two Dimensional Random Rough Surfaces,” Proc. of the National Radio Science Meeting (URSI) January 5-8, Boulder, Colorado. 1994.
  194. M. El-Shenawee and E. Bahar, “Multiple Scattering from Random Rough Surfaces Based on a Deterministic Full Wave Model,” Proc. of the 1994 International Geoscience and Remote Sensing Symposium (IGARSS’94), Pasadena, CA, August 8-12, 1994. [PDF]
  195. E. Bahar and M. El-Shenawee, “Examination of Large Radius of Curvature Approximation for Rough Surface Scatter Cross Sections,” Proc. of the 1994 IEEE AP-S International Symposium and URSI Radio Science Meeting, Seattle, Washington, June 19-24, 1994. [PDF]
  196. E. Bahar and M. El-Shenawee, “Full Wave Multiple Scattering from One Dimensional Random Rough Surfaces and High Frequency Stationary Phase Approximations,” Proc. of 1993 IEEE AP-S International Symposium and Radio Science Meeting at Ann Arbor, MI, June 27-July 2, 1993. [PDF]
  197. E. Bahar and M. El-Shenawee, “Multiple Scattering from One Dimensional Random Rough Surfaces-Full Wave Solutions,” Proc. of PIERS 1993 at Pasadena, CA, on July 12-16, 1993. [PDF]
  198. E. Bahar and M. El-Shenawee, “High Frequency Approximations to Multiple Scatter That Exhibit Enhanced Backscatter,” Proc. of the International Geoscience and Remote Sensing Symposium (IGARSS’93) at Tokyo, Japan, on August 18-21, 1993. [PDF]
  199. E. Bahar and M. El-Shenawee, “Numerical Method to Compute TE and TM Multiple Scatter from Rough Surfaces Exhibiting Backscatter Enhancement,” Proc. of Conference on the Computation of Electromagnetic Fields (COMPUMAG) at Miami, Florida, on Oct. 31-Nov. 4, 1993. [PDF]
  200. E. Bahar and M. El-Shenawee, “Multiple Scattering from Random Distributions of Individual Rough Surface Scatterers,” Proc. of the IEEE-APS International Symposium and URSI Radio Science Meetin, Chicago on July 18-25, 1992. [PDF]
  201. E. Bahar and M. El-Shenawee, “Single and Multiple Scattering and Depolarization from Two Dimensional Rough Surfaces,” Proc. of IEEE AP-S International Symposium & North American Radio Science Meeting, University of Western Ontario, Ontario, Canada, June 24-28, 1991. [PDF]
  202. E. Bahar, R. D. Kubik, and M. El-Shenawee, “Single and Multiple Scatter from Random Rough Surfaces,” Proc. of Topical Meeting of the International Commission for Optics, Atmospheric, Volume and Surface Scattering and Propagation, Florence, Italy, August 27-30, 1991. [PDF]
  203. E. Bahar and M. El-Shenawee, “Full Wave Multiple Scattering from Rough Surfaces,” Proc. of the IEEE AP-S International Symposium & URSI Radio Science Meeting, Dallas, Texas, May 7-11, 1990. [PDF]
  204. E. Bahar and M. El-Shenawee, “Use of Supercomputers to Evaluate Singly and Doubly Scattered Electromagnetic Fields from Rough Surfaces,” Proc. of the Fourth Biennial IEEE Conference on Electromagnetic Field Computations, Toronto, Canada, October 22-24, 1990. [PDF]

Invited Speaker

  1. M. El-Shenawee*, “Recent Computational Electromagnetics for Inverse Scattering and Imaging Applications,” invited to present to the faculty and students in the Electrical and Computer Engineering Department at the University of Manitoba, Winnipeg, Manitoba, Canada, April 2009.
  2. M. El-Shenawee*, “Computational Electromagnetics for Inverse Scattering and Imaging Applications,” invited to present to the faculty at Dijon University, Dijon, France, July 2008.
  3. M. El-Shenawee*, “Microwave Imaging for Breast Cancer at the University of Arkansas” invited to present to the faculty and scientists at the University of Technology of Troyes, Troyes, France, July 2007.
  4. M. El-Shenawee*, “Breast Cancer Research at the University of Arkansas,” invited to present to the faculty in the Department of Mathematics at the University of Dundee, Dundee, Scotland, April 2007.
  5. M. El-Shenawee*, “Microwave Imaging of Breast Cancer,” invited to present to the faculty in the Department of Electrical and Computer Engineering at the University of North Carolina-Charlotte, March 2007.
  6. M. El-Shenawee*, A. Hassan*, O. Kegege, M. Reza Hajhashemi, S. Shumate, D. Woten, “Microwave Imaging and Detection of Breast Tumor Shape & Development of Tumorigenesis Model,” invited to present to the faculty and graduate students at the Biomedical Engineering Forum, UAMS, LR, AR, June 2007.
  7. M. El-Shenawee*, “Breast Cancer Research at the University of Arkansas-Fayetteville-Microwave Technique for the Early Detection of Breast Cancer,” invited to present research progress to the Arkansas Biosciences Institute (ABI) Advisory Committee, Little Rock, October 2006.
  8. M. El-Shenawee*, “Surface Integral Equations for Subsurface Sensing Applications Using Electromagnetic Waves,” the Department of Applied Mathematics, University of Arkansas, October 2003.
  9. M. El-Shenawee*, “Clutter Sources in Minefields: Challenges and Suggestions,” invited and presented to the National Center Physical Acoustics (NCPA) at the University of Mississippi, August 2003.
  10. M. El-Shenawee*, “Computational Electromagnetics for Mine Detection and Breast Cancer Applications,” invited and presented in a seminar to the Department of Electrical Engineering at the University of Mississippi, August 2003.
  11. M. El-Shenawee*, “Computational Electromagnetics for Biomedical Engineering,” invited and presented to the faculty of Biological and Agricultural Engineering Department, University of Arkansas, March 2003.
  12. M. El-Shenawee*, “Resonant Spectra of Malignant Breast Cancer Tumors Using the three-Dimensional Electromagnetic Fast Multipole Model,” invited and presented to NASA Langley Research Center, Electromagnetic Sensor Group, Hampton, VA, July 2002.
  13. M. El-Shenawee*, “Modeling the Breast Cancer Tumors in the Frequency Domain Using the Steepest Descent Fast Multipole Method (SDFMM),” invited and presented to NASA Langley Research Center, Electromagnetic Sensor Group, Hampton, VA, July 2001.
  14. M. El-Shenawee*, “Fast Multipole Method for Scattering from Two Objects Buried under Random Rough Ground,” invited and presented to the Fifth Annual Landmine Basic Research Technical Review Sponsored by the UXO Center of Excellence, Countermine Division NVESD and Army Research Office, Springfield, VA, 9-11, October 2001.
  15. M. El-Shenawee*, “Fast Multipole Frequency Domain Green’s Function Electromagnetic Method,” invited and presented to the NSF Center for Subsurface Sensing and Imaging Systems (CenSSIS) meeting at Northeastern University, November 2000.
  16. M. El-Shenawee*, “Monte Carlo Simulation-Based Scheme to Predict Mines Buried under Rough Surfaces,” invited and presented to the ARO MURI Review Meeting, Ft. Belvoir, August 1999

Articles Published by Others

  1. Article published in the Arkansas Wires titled “Understanding the Electricity of Breast Cancer Cells,” spring 2010. http://newswire.uark.edu/article.aspx?id=13818
  2. Article published in the Magazine of the Arkansas Alumni Association, Inc. titled “What lies beneath: Researcher applies landmine detection expertise to discover new ways of detecting cancer,” fall 2008.
  3. Article published in the Arkansas INGENUITY titled: Student Awarded Goldwater Scholarship for Breast Cancer Research, summer 2008.
  4. Article published in the health section of the January Issue of Northwest Arkansas CitiScapes titled “UA researchers developing new technology for breast cancer detection,” January 2006.
  5. Article published in the Women’s Giving Circle News titled “Improving Early Detection: Grant makes revolutionary breast cancer detection a reality,” fall 2005.
  6. Article published in the University of Arkansas-Daily Headlines titled “System will provide sharp, 3-D Images of Breast Tumors,” November 2005.
  7. Article published in Spring 2005 the University Research Frontier Magazine issue (hardcopy) and online Spring 2005: http://www.uark.edu/rd_vcad/urel/publications/research_frontiers/
  8. Story about the breast cancer research project broadcasted in Channel 9 News on Thursday 4/28/2005 at 10:00pm.
  9. Article posted in 2005 on the UA daily headlines http://dailyheadlines.uark.edu/4667.htm
  10. Aired on the WTOP radio in DC and posted on their website in 2005 http://www.nae.edu/nae/pubundcom.nsf/weblinks/CGOZ-5SZQNG?OpenDocument
  11. Article posted in the news letter in the Northeastern University- Boston, for the NSF-ERC Research Center for Subsurface Sensing and Imaging Systems (CenSSIS) Wavelets News Flash, May issue 2005.
  12. Story published about the breast cancer research project at UA is broadcasted in Channel 5 News on Monday 9/27/2004 at 5:00 and at 6:00pm and other times.
  13. Story posted online as an article about the breast cancer project with a video clip 2004: http://5newsonline.com/Global/story.asp?S=2355762&nav=2uEHRMxh
  14. Addressed by Chancellor John While the research on breast cancer in the State of the University on September 24, 2004.
  15. Published by Rice University, Center for Excellence and Equity in Education, the candidate’s research graphics on mine detection in the book titled Computational Science: Tools for a Changing World (A High School Curriculum) by Richard Tapia, Cynthia Lanius, Casandra Mc Zeal, and Teresa Parks, http://ceee.rice.edu/Books/CS/. 2002.
  16. Article by Aries Keck in 2001, published in Access Magazine, the National Center for Supercomputing Applications (NCSA), the University of Illinois concerning the applicant’s research on humanitarian mine detection. The title is: A Survey of the Field, vol. 14, no. 1, pp. 6-9, Spring 2001. http://access.ncsa.uiuc.edu/CoverStories/landmine/