Thomas J. Papetti Principal Research Scientist VI, S1, CAO Contact 301 Sparkman DriveOptics BuildingRoom 446Huntsville, AL 35899 Campus Map thomas.papetti@uah.edu Biography Over 44 years of work in solid-state laser design, nonlinear optics, coherent optical sensing, opticalspeckle phenomenology, indoor optical test range design and operation, surface scatteringcharacterization, laser beam diagnostics, large optical system alignment, metrological interferometry,beam control for directed energy, and atmospheric turbulence measurements. Education B.S., Physics, University of Central Florida, 1979 Patents U.S. Patent 5,199,042, March 30, 1993, Unstable Laser Apparatus, T. Papetti et al. Expertise Active Laser Seeker (International Laser Systems, 1979-1980) Phase Conjugate Laser Amplifier, Medium Energy Laser Program for U.S. Army Night Vision Labs (Litton Laser Systems, 1985-1989): Active pre-lase control of a self-seeded Q-switched Nd:YAG laser oscillator 10 mm aperture Faraday rotator design Graded reflectivity unstable resonator with compensation for thermally-induced birefringence Pulse-burst coherent Nd:YAG ladar transceiver Software-Defined Coherent Lidar, specifically implementing a pseudo-randomly phase modulated waveform for range-Doppler imaging without range or Doppler ambiguities Directed Energy projects Recent Publications “MRDF and BRDF Measurements of Low-Scatter Materials”, Papetti, T. J. et al, SPIE Symposium on Defenseand Security, Paper No. 6550-16, (2007). “Coherent Backscatter: Measurement of the Retroreflective BRDF Peak Exhibited by Several SurfacesRelevant to Ladar Applications”, Papetti, T.J. et al, SPIE Optics and Photonics Symposium, Paper No.6682-13, (2007). “Coherent Mode-locked 1.06 micron Ladar Transmitter”, Papetti, T. J. et al, SPIE Proceedings Vol. 1633, pp 6-14, (1992).