This presentation will give an overview of the 20-plus years of pulsed transmit laser development at NASA Langley Research Center (LaRC) to enable a coherent Doppler wind lidar to measure global winds from earth orbit. Our group at LaRC has been developing the pulsed laser and other coherent lidar technologies for the global wind mission since the late 1980s. The causal path followed has been from space mission requirements to coherent lidar requirements to component requirements to technology development and finally to ground and aircraft validation. We will describe the development and deployment of Doppler Aerosols Wind Lidar (DAWN) for airborne measurement of wind velocity and direction. The will also present the status of ongoing fully conductively-cooled 2-micron wind lidar transmitter for NASA 3-D winds mission.


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    Title :

    Advances on 2-micron Coherent Doppler Wind Lidar


    Contributors:

    Conference:

    Working Group on Space-Based Lidar Winds ; 2014 ; Boulder, CO, US


    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English