Dr. Andrew S. Keys

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Dr. Andrew S. Keys is an Associate Professor with the Aeronautics and Astronautics Department of the Air Force Institute of Technology.  His research interests include the development of sensors and detectors for the purpose of space-based remote sensing, electro-optics and photonic technologies, optical and laser systems, radiation hardening of avionics and electronics, and the advancement of related space technologies.

Prior to joining the AFIT faculty in February of 2019, Dr. Keys was employed for over 27 years with the National Aeronautics and Space Administration's (NASA's) Marshall Space Flight Center (MSFC) where he served in multiple leadership and technology management positions.  During 2018, Dr. Keys was the supervisory Chief of the Optics Branch.  Prior to that assignment, since 2010, Dr, Keys was the Center Chief Technologist where he defined and implemented the space technology portfolio being developed by the Center’s scientists and engineers for the purpose of fulfilling the Agency’s mission of exploration and discovery.  Earlier in his career with NASA, Dr. Keys managed multiple space technology development projects, including radiation-hardened electronics, space-based optical telescopes, optical sensors and detectors, instrumented re-entry vehicles, technologies supporting aerocapture orbital maneuvers, and spacecraft avionics technologies.

Dr. Keys earned his bachelor's and master's degrees in electrical engineering from Auburn University in 1988 and 1990, respectively, and earned his doctorate of philosophy in electrical engineering from the University of Alabama in Huntsville in 2002. He has published more than a dozen papers and technical reports, is the recipient of numerous NASA awards, including an Outstanding Leadership Medal, and is the co-holder of two patents.


A. S. Keys and H. C. Morris (editors), “Marshall Space Flight Center Research and Technology Report 2017,” NASA/TM-2018-2199582018, NASA MSFC, 2018.

A. S. Keys, M. L. Tinker and H. C. Morris (editors), “Marshall Space Flight Center Research and Technology Report 2015,” NASA/TM-2016-218221, NASA MSFC, 2016.

A. S. Keys, M. L. Tinker, A.D. Sivak (editors), “Marshall Space Flight Center Research and Technology Report 2014,” NASA/TM-2015-218204, NASA MSFC, 2015.

A. S. Keys, “Overview of the NASA ETDP RHESE Program,” Chapter within Extreme Environment Electronics, editors J. D. Cressler and H. A. Mantooth, CRC Press, 2012.

A. S. Keys et al., “Advanced Avionics and Processor Systems for a Flexible Space Exploration Architecture,” AIAA-2010-8783, in AIAA SPACE 2010 Conference and Exposition, Anaheim, CA, 2010.

A. S. Keys et al., “Advanced Avionics and Processor Systems for Space and Lunar Exploration,” AIAA-2009-6783, in AIAA SPACE 2009 Conference and Exposition, Pasadena, CA, 2009.

A. S. Keys et al., “A Review of NASA's Radiation-Hardened Electronics for Space Environments Project,” AIAA SPACE 2008 Conference and Exposition, San Diego, CA, Sep. 9-11 2008, AIAA Paper 2008-7673, 2008.

A. S. Keys et al., "High-Performance, Radiation-Hardened Electronics for Space and Lunar Environments," Space Technology and Applications International Forum 2008, Albuquerque, NM, 2008.

A. S. Keys et al., “Developments in Radiation-Hardened Electronics Applicable to the Vision for Space Exploration,” AIAA SPACE 2007 Conference and Exposition, Long Beach, CA, Sep. 18-20, 2007, AIAA Paper 2007-6269, 2007.

A. S. Keys and M. D. Watson, "Radiation Hardened Electronics for Extreme Environments," Government Microcircuit Applications and Critical Technology Conference, edited by I. Mack, Office of Naval Research, pp. 319-322, Lake Buena Vista, FL, 2007.

A. S. Keys, J. L. Hall, D. Y. Oh, and M. M. Munk, “Overview of a Proposed Flight Validation of Aerocapture System Technology for Planetary Missions,” 42nd AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit, Sacramento, CA, AIAA Paper 2006-4518, 2006.

A. S. Keys and R. L. Fork,Multilayer Dielectric Transmissive Optical Phase Modulator,” Photonic Tech Briefs, a supplement to NASA Tech Briefs, vol. 28, no. 11, pp. 11a–12a, Nov. 2004.  Availbale: http://www.nasatech.com/Briefs/Nov04/MSC31565.html.

A. S. Keys, R. W. Crow, and P. R. Ashley, “Binary-Phase Fourier Gratings for Nonuniform Array Generation,” Proceedings of SPIE, vol. 5177, 2003.

A. S. Keys, R. L. Fork, T. R. Nelson, Jr., J. E. Ehret, and J. E. Van Nostrand, “Characterization of a multilayered dielectric transmissive phase modulator,” in Physics, Theory, and Applications of Periodic Structures in Optics, Proceedings of SPIE, vol. 4438, P. Lalanne, Ed., pp. 96-107, 2001.

A. S. Keys and R. L. Fork, “Full cycle, low loss, low distortion phase modulation from multilayered dielectric stacks with terahertz optical bandwidth,” Optics Express [Online], vol. 7, no. 9, pp. 311-322, 23 Oct. 2000. Available: http://www.opticsexpress.org/oearchive/source/23426.htm

A. S. Keys, R. L. Fork, T. R. Nelson, Jr., and J. P. Loehr, “Resonant Transmissive Modulator Construction for use in Beam Steering Array,” in Optical Scanning: Design and Application, Proceedings of SPIE, vol.3787, L. Beiser, S. F. Sagan, G. F. Marshall, Eds., pp.115-125, 1999.

R. L. Fork, S. T. Cole, L. J. Gamble, W. M. Diffey, and A. S. Keys, "Optical amplifier for space applications," Optics Express [Online], vol. 5, no. 12, pp. 292-301, 6 Dec. 1999. Available: http://www.opticsexpress.org/oearchive/source/14181.htm.

T. R. Nelson, Jr., J. P. Loehr, Q. Xie, J. E. Ehret, J. E. Van Nostrand, L. Gamble, D. K. Jones, S. T. Cole, R. A. Trimm, W. M. Diffey, R. L. Fork, and A. S. Keys, "Electrically Tunable Group Delays Using Quantum Wells in a Distributed Bragg Reflector," Enabling Photonic Technologies for Aerospace Applications, Proceedings of SPIE, vol. 3714, A. R. Pirich and E. W. Taylor, Eds., pp. 12-23, 1999.

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