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Dr. Carol L. Kory Carol L. Kory, Ph.D.
Dr. Kory received the B.S.E.E from the University of Dayton, Dayton, OH, 1992, and the M.S.E.E and the Doctorate in Engineering from the Cleveland State University, Cleveland, OH, in 1997 and 2000, respectively. From 1991 to 1992, she was with NASA Glenn as an intern student with the Communication Technology Division, where her work involved analyzing TWT slow-wave circuits using a three-dimensional (3D) particle-in-cell code. She became a full-time employee of the ANALEX Corporation in 1992, working with the same staff at NASA Glenn. She is world-renowned for her pioneering work in the area of 3D computational modeling and design of TWTs, and has experience with micro-machining fabrication processes. Dr. Kory joined CCR in 2001 as a Senior Research Engineer where her work involves computational modeling, design, and development of vacuum electronics devices.

Dr. Kory has provided design consultation on many TWT and backward wave oscillator (BWO) design projects from C-band to THz frequencies, written a book chapter, and published and presented numerous papers. She is a member of the IEEE Electron Devices Society Technical Committee on Vacuum Devices, and was chosen as Technical Chair for the IEEE International Vacuum Electronics Conference in 2004. She is a Senior Member of the IEEE and member of Tau Beta Pi and Eta Kappa Nu. She has acted as program manager on various successful technical programs.

Dr. Kory has received the NASA Communications Technology Division Best Paper Awards in 1996, 1998, 1999, and 2001. She has also received NASA Team Achievement Awards in 1996 for the Computer modeling of coupled-cavity TWT's, in 1996 for pioneering in the modeling of the helical TWT circuit, in 1997 for explanation of an anomaly in the Cassini mission TWT, in 1998 for redefining circuit impedance and revolutionizing the process of TWT design, in 2002 for exceptional work in the area of TWT development, and in 2003 for work on the Jovian Icy Moons Orbiter (JIMO)/Mars Telesat project. She has been a nominee for 1995 IEEE Rappaport Best Paper Award and a member of the Golden List recognizing outstanding reviewers for IEEE Transactions on Electron Devices.
Technical Publications (Partial Listing)

  1. C. L. Kory and J. D Wilson, Simulation of TunneLadder Traveling-Wave Tube Cold-Test Characteristics: Implementation of the Three-Dimensional Electromagnetic Circuit Analysis Code, Micro-SOS. NASA TP-3294, 1992.

  2. C. L. Kory, J. D Wilson and J. W. Maruschek, Simulation of Cold-Test Dispersion and Interaction Impedances for Coupled-Cavity Traveling-Wave Tubes Slow-Wave Circuits. 1992 IEEE International Electron Devices Technical Digest. December 13-16, 1992, San Francisco, California.

  3. J. W. Maruschek, C. L. Kory and J. D Wilson, Generalized Three-Dimensional Simulation of Ferruled Coupled-Cavity Traveling-Wave Tube Dispersion and Impedance Characteristics. NASA TP-3389, November 1993.

  4. C. L. Kory, Simulated Imaging Properties of a Series of Magnetic Electron Lenses, NASA Contractor Report-195474, April 1995.

  5. C. L. Kory and J. D Wilson, Three-Dimensional Simulation of Traveling-Wave Tube Cold-Test Characteristics Using MAFIA, NASA TP-3513, May 1995.

  6. C. L. Kory and J. D Wilson, Ring-Plane Traveling-Wave Tube Slow-Wave Circuit Design Simulations at V-Band Frequencies, NASA Technical Memorandum-106949, May 1995.

  7. C. L. Kory and J. D Wilson, Novel High-Gain, Improved Bandwidth, Finned-Ladder V-Band Traveling-Wave Tube Slow-Wave Circuit Design, IEEE Trans. on Electron Devices, Vol. 42 No. 9, September, 1995.

  8. J. D Wilson and C. L. Kory, Simulation of Cold-Test Parameters and RF Power Characteristics for a Coupled-Cavity Traveling-Wave Tube, IEEE Trans. on Electron Devices, Vol. 42 No. 10, November, 1995.

  9. C. L. Kory, Three-Dimensional Simulation of Helix Traveling-Wave Tube Cold-Test Characteristics Using MAFIA, IEEE Trans. on Electron Devices, Vol. 43, No. 8, August 1996.

  10. C. L. Kory and A. H. Qureshi: Simulation of TunneLadder Traveling-Wave Tube Input/Output Coupler Characteristics Using MAFIA, NASA Contractor Report-198505, September 1996.

  11. C. L. Kory, Computer Simulation of Microwave Devices, NASA Lewis Research Center Research and Technology 1996, Technical Memorandum 107350, 1996.

  12. C. L. Kory, Validation of An Accurate Three-Dimensional Helical Slow-Wave Circuit Model, NASA Contractor Report, CR-4766, March 1997.

  13. C. L. Kory and J. A. Dayton, Jr., Accurate Cold-Test Model Of Helical TWT Slow-Wave Circuits, IEEE Trans. on Electron Devices, Vol. 45, No. 4, April 1998.

  14. C. L. Kory and J. A. Dayton, Jr., Effect of Helical Slow-Wave Circuit Variations on TWT Cold-Test Characteristics, IEEE Trans. on Electron Devices, Vol. 45, No. 4, April 1998.

  15. C. L. Kory, Traveling-Wave Tubes, In John G. Webster's Wiley Encyclopedia of Electrical and Electronics Engineering, Electron Devices, New York: John and Wiley and Sons, Inc., 1998.

  16. C. L. Kory, Computation of Characteristics of a TWT Slow-Wave Circuit, NASA Tech Briefs, LEW-16571, April 1998.

  17. C. L. Kory and J. A. Dayton, Jr., Computational Investigation of Experimental Interaction Impedance Obtained by Perturbation for Helical Traveling-Wave Tube Structures, IEEE Trans. on Electron Devices Vol. 45, No. 9, September, 1998.

  18. C. L. Kory, A More Accurate and Efficient Technique to Obtain Helical Traveling-Wave Tube Interaction Impedance Using Computational Methods, NASA Lewis Research Center Research and Technology 1998, Technical Memorandum 107350, 1998.

  19. J. A. Dayton, J. D. Wilson and C. L. Kory, Computer Analysis of Spectrum Anomaly in 32-GHz Traveling Wave Tube for Cassini Mission, NASA TP-1999-208691, February 1999.

  20. C. L. Kory and A. Haq Qureshi, Three-Dimensional Simulation of Periodic Permanent Magnetic Focusing Of Electron Beams, NASA Contractor Report, CR-, 2000.

  21. C. L. Kory and J. A. Dayton, Jr., Computational Investigation Of Helical Traveling Wave Tube Transverse RF Field Forces, IEEE Trans. on Electron Devices, Vol. 47, No. 1, January 2000.

  22. C. L. Kory, Three-dimensional electron optics model developed for traveling-wave tubes, NASA Glenn Research Center at Lewis Field Research and Technology 1999, Technical Memorandum 209639, 2000.

  23. C. L. Kory, Three-dimensional simulations of PPM Focused Helical Traveling-wave tubes, Doctor of Engineering Dissertation, Cleveland State University, Cleveland, Ohio, August 2000.

  24. C. L. Kory , Effect of Geometric Azimuthal Asymmetries of PPM Stack on Electron Beam Characteristics, IEEE Trans. on Electron Devices, Vol. 48, No. 1, January 2001.

  25. C. L. Kory, Accurate Time-Dependent Traveling Wave Tube Model for Computational Bit-Error-Rate Testing, NASA Glenn Research Center at Lewis Field Research and Technology 2000, NASA Technical Memorandum, 2001-210605.

  26. W. Daniel Williams, George E. Ponchak, Rainee N. Simons, Afroz Zaman, Carol Kory, Edwin Wintucky, Jeffrey D. Wilson, Maximilian C. Scardelletti, Richard Lee, and Hung Nguyen, RF MEMS and Their Applications in NASA's Space Communication Systems, 7th Ka Band Utilization Conference Proceedings, September 26-28, 2001, Genoa, Italy.

  27. C. L. Kory, Investigation of Three-Dimensional Helical RF Field Effects on TWT Beam/Circuit Interaction, IEEE Trans. on Electron Devices, Vol. 48, No. 8, Aug. 2001.

  28. C. L. Kory and Monty Andro, Intersymbol Interference Investigations using a 3D Time-Dependent Traveling Wave Tube Model, IEEE Trans. on Plasma Science, Vol. 30, No. 1 , Feb. 2002.

  29. C. L. Kory and Monty Andro, Simulation of Higher Order Modulation Intersymbol Interference Caused by Traveling-Wave Tube Amplifiers, NASA Glenn Research Center at Lewis Field Research and Technology 2001, NASA Technical Memorandum, 2002-211333.

  30. C. T. Chevalier, K. A. Herrmann, C. L. Kory, J. D. Wilson, A. W. Cross and S. Santana, Three-Dimensional Simulation of Traveling-Wave Tube Cold-Test Characteristics Using CST MICROWAVE STUDIO, NASA Contractor Report, 2002.

  31. Traveling-Wave Tube Cold-Test Circuit Optimization Using CST MICROWAVE STUDIO, IEEE Transactions on Electron Devices.

  32. S. Bhattacharjee, J. H. Booske, W. J. Lee, C. L. Kory, S. Gallagher, M. Genack, D. W. van der Weide, S. Limbach, M. R. Lopez, R. M. Gilgenbach, A compact folded waveguide traveling wave tube oscillator for the generation of terahertz radiation, 44th Annual Meeting of the Division of Plasma Physics (APSDPP), Orlando, Florida, November 11 - 15 (2002). [Bull. Am. Phys. Soc., 47, 256 (2002)].

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