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HARLIE – GLOW Union UV Doppler Demonstration

HARLIE – GLOW Union UV Doppler Demonstration. Geary Schwemmer Bruce Gentry NASA GSFC. Objectives Components & Interfaces UV HOE Laser & Transmitter Optics Schedule. Outline. Test UV HOE in lidar operation Verify laser beam steering and boresight alignment

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HARLIE – GLOW Union UV Doppler Demonstration

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  1. HARLIE – GLOW Union UV Doppler Demonstration Geary Schwemmer Bruce Gentry NASA GSFC Lidar Working Group Meeting Frisco CO, June 2004

  2. Objectives Components & Interfaces UV HOE Laser & Transmitter Optics Schedule Outline Lidar Working Group Meeting Frisco CO, June 2004

  3. Test UV HOE in lidar operation Verify laser beam steering and boresight alignment Demonstrate HOE in Doppler measurements Objectives Lidar Working Group Meeting Frisco CO, June 2004

  4. HARLIE tele-scanner assembly Components & Interfaces GLOW Doppler UV Receiver Lidar signal Lidar data Scanner control & data Beam Mechanical GLOW Data System Fibertek Laser Sync Lidar Working Group Meeting Frisco CO, June 2004

  5. UV HOE • 1-m focal length • 45° diffraction angle • 40 cm diam. x 1 cm • Central hole for laser transmission • 62% efficiency (w/o AR coatings) • Blur circle • 243 µrad @86% • 200 µrad @73% Lidar Working Group Meeting Frisco CO, June 2004

  6. Laser & Transmitter Optics Lidar Working Group Meeting Frisco CO, June 2004

  7. Laser Optical Interface M4* 7x Beam Exp M3 M2 QWP M1 Hign Brightness Laser 355 nm; 50 mJ; 50 Hz Lidar Working Group Meeting Frisco CO, June 2004 * Motorized for boresight control

  8. Designs completed 20 May 2004 Fabrication complete 23 July 2004 Assembly & alignment complete 27 August 2004 First light 3 September 2004 Doppler measurements 30 September 2004 Schedule Lidar Working Group Meeting Frisco CO, June 2004

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