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Proceedings Paper

Progress toward an athermal HEL optical window
Author(s): Kenneth W. Billman; Danh C. Tran; Ken H. Levin; Steven M. Daigneault; Nathan J. Edwards
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Paper Abstract

Progress in the development phases of a new optical material that exhibits very low thermal lensing and robustness against thermal shock will be reported. Material, thermal, and optical properties of the current material formulation, called OFG-04, have been determined on small- and mid-scale samples. Manufacture scale-up to full-scale has been completed and flight windows prepared. Follow-on efforts are now beginning for an optimized formulation that will exhibit even lower bulk absorptance and OPD change with temperature rise.

Paper Details

Date Published: 21 February 2005
PDF: 17 pages
Proc. SPIE 5647, Laser-Induced Damage in Optical Materials: 2004, (21 February 2005); doi: 10.1117/12.584284
Show Author Affiliations
Kenneth W. Billman, Lockheed Martin Missiles and Space (United States)
Danh C. Tran, Infrared Fiber Systems, Inc. (United States)
Ken H. Levin, Infrared Fiber Systems, Inc. (United States)
Steven M. Daigneault, SSG Precision Optronics, Inc. (United States)
Nathan J. Edwards, Airborne Laser System Program Office (United States)

Published in SPIE Proceedings Vol. 5647:
Laser-Induced Damage in Optical Materials: 2004
Gregory J. Exarhos; Arthur H. Guenther; Norbert Kaiser; Keith L. Lewis; M. J. Soileau; Christopher J. Stolz, Editor(s)

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