LIDAR Components

·        Spectral Ratio Biospheric Lidar, Jonathan A. R. Rall, Robert G. Knox, 22nd International Laser Radar Conference, July 2004.

·        2-micron Coherent Doppler Lidar For Space-based Global Wind Field Mapping, F. Amzajerdian, M. J. Kavaya, U. N. Singh, and J. Yu, IEEE International Geoscience and Remote Sensing Symposium, Toulouse, France, July 21-25, 2003.

• Analysis of Optimum Heterodyne Receivers for Coherent Lidar Applications, F. Amzajerdian, 21th International Laser Radar Conference , Quebec , Canada , July 8-12, 2002.

Laser Diode Risk and Reliability Assessment

·        Qualification of Laser Diode Arrays for Mercury Laser Altimeter, M. A. Stephen, A. Vasilyev, J. Schafer, G. R. Allan, International Laser Radar Conference, July 2004.

·        Optical and thermal analyses of high power laser diode arrays, A. Vasilyev, G. R. Allan, J. Schafer, M. A. Stephen and S. Young, Directed Enegy professional Society's 2004 Solid State and Diode Laser Technology Review, Albequerque , June, 2004.

·        Risk Reduction and Advancement of High Power Quasi-CW Laser Diode Pump Arrays, Farzin Amzajerdian, Byron Meadows, Vikas Sudesh, Nathaniel Baker, Michael J.Kavaya, and Upendra Singh, Solid State and Diode Laser Technology Review, Directed Energy Professional Society, Albuquerque, New Mexico, June 8-10, 2004.

·        Thermal characteristics of high-power, long pulse width, quasi-CW laser diode arrays, Byron Meadows, Farzin Amzajerdian, Nathaniel Baker, Vikas Sudesh, Upendra N. Singh, and Michael J. Kavaya, Photonic West/LASE, San Jose, California, January 24-29, 2004, Proceeding SPIE Vol. 5336.

·        Advancement of High Power Laser Diodes for Pumping 2-micron Solid State Lasers, Farzin Amzajerdian, Byron Meadows, Michael J. Kavaya, Upendra Singh, Vikas Sudesh, and Nathaniel Baker, 3rd Annual NASA Earth Science Technology Conference, Adelphi, Maryland, June 24-26, 2003.

·        High Power Laser Diode Arrays for 2-micron Solid State Coherent Lidars Applications, F. Amzajerdian, B. Meadows, M. J. Kavaya, U. N. Singh, V. Sudesh, and N. Baker, 12th Coherent Laser Radar Technology and Applications Conference, Bar Harbor, ME, June 16 -20, 2003.

·        Characterization of 808 nm Quasi-contant Wave Laser Diode Arrays, Mark Stephen, Aleksey Vasilyev, 2003 NASA Earth Science Technology Conference for ESTO, NASA GSFC.

Laser Damage and Contamination

·        Coalescence of Phenomenological Laser Damage, Materials Properties, and Laser Intensity: Moving Toward Quantitative Relationships, John Canham, SPIE Proceedings of the 35th Annual

·        Cleaning to the Monolayer Level, John Canham, SPIE Proceedings of the 35th Annual

·        Investigation of Contamination Effects on Laser Induced Optical Damage in Space Flight Lasers, John Canham, 2004 NASA Earth Science and Technology Conference for ESTO, June 2004.

·        Contamination and Materials Risk Management in Solid State Laser Systems, John Canham, Directed Energy Professional Society, 2004 Solid State and Diode Laser Technology Review, June 8-10, New Mexico.

·        Guidelines for Cleanroom Operations for Space-Flight Lasers, John Canham.

Detectors

• Noise Measurements of III-V Compound Detectors for 2mm Lidar/DIAL Remote Sensing Applications, N. Abedin , T. Refaat & U. Singh, International Journal of High Speed Electronics and Systems, Vol. 12, No. 2, page 531-540, 2002. Presented at the Workshop on Frontiers in Electronics (WOFE-02), 2002.
• Spectral Response Measurements of Short Wave Infrared Detectors (SWIR), T. Refaat, N. Abedin & U. Singh, International Journal of High Speed Electronics and Systems, Vol. 12, No. 2, page 541-550, 2002. Presented at the Workshop on Frontiers in Electronics (WOFE-02), 2002.
• Monte Carlo estimation of the electron drift characteristics and avalanche noise in bulk InAs, G. Satyanadh, R. P. Joshi, M. N. Abedin and U. N. Singh, Journal of Applied Physics, Vol. 91, No. 3, page 1331-1338, 2002.
• Monte Carlo calculations of the impulse response in bulk InAs for low intensity photon avalanche detection at 2 micron wavelength, G. Satyanadh, R. P. Joshi, M. N. Abedin and U. N. Singh, Japanese Journal of Applied Physics, Vol. 41, No. 9, page 5559-5560, 2002.
• 2 mm detectors for atmospheric CO2 DIAL measurements, T. Refaat, N. Abedin, G. Koch, S. Ismail & U. Singh, Optical Remote Sensing of The Atmosphere, OSA Technical Digest, Quebec City, Canada, 2003.
• InGaAsSb detectors’ characterization for 2-mm CO2 lidar/DIAL applications, T. Refaat, N. Abedin, G. Koch & U. Singh, NASA/TP-2003-212140, 2003.
• Characterization and analysis of InGaAsSb detectors, M. N. Abedin, T. F. Refaat, R. P. Joshi, O. V. Sulima, M. Mauk & U. N. Singh, Infrared Technology and Applications XXIX, Proceedings of SPIE, Vol. 5074, 2003.
• InGaSb ternary material for 2 mm detectors, T. F. Refaat, M. N. Abedin, U. N. Singh and B. W. Barnes, Conference on Lasers and Electro-Optics, Baltimore, Maryland, 2003.
• Infrared detectors characterization for CO2 DIAL measurements, T. Refaat, N. Abedin, G. Koch, S. Ismail & U. Singh, Lidar Remote Sensing for Environmental Monitoring IV, Proceeding of SPIE, Vol. 5154, 2003.
• Comparison of the plasma and wet chemical passivation of GaSb p-n junction photodiodes, V. Bhagwat, J. P. Langer, I. Bhat, P. S. Dutta, T. F. Refaat and M. N. Abedin, International Symposium on Compound Semiconductors, 2003.
• Characterization of InGaSb/GaSb p-n photodetectors” in the 1.0-2.4 mm wavelength range, T. F. Refaat, M. N. Abedin, I. Bhat, P. S. Dutta and U. N. Singh, accepted for publication in Optical Engineering Letters.
• AlGaAsSb/InGaAsSb Phhototransistors for 2-μm Remote Sensing Applications, T.F. Refaat, M.N. Abedin, O.V. Sulima, S. Ismail, and U.N. Singh, submitted to the Optical Engineering Letters.
• Novel AlGaAsSb/InGaAsSb phhototransistors for spectral range around 2-μm, O.V. Sulima, T.F. Refaat, M.G. Mauk, J.A. Cox, J. Li, S.K. Lohokare, M.N. Abedin, U.N. Singh, and J.A. Rand, submitted to the IEEE Electronics Letters.