Abstract: The National Aeronautics and Space Administration (NASA), the Federal Aviation Administration (FAA), and the United States Air Force have all expressed interest in the ability of laser radar to detect wind profiles at altitude. A number of programs are addressing the technical feasibility and utility of using laser radar atmospheric backscatter to determine wind profiles and wind hazards for aircraft guidance and navigation. This paper presents the results of ground and flight tests of a coherent 10.6 $mu@m airborne laser radar for wind hazard detection. It also discusses the emerging capabilities of an airborne, all-solid-state, 2 $mu@m laser radar for performing these functions in a rugged, smaller, lighter weight, high- performance package. !3
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