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

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

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

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

5. GSFC Lidar Working Group Meeting Frisco CO, June 2004 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%

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

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

8. GSFC Lidar Working Group Meeting Frisco CO, June 2004 Schedule 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