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21 February 2005 Progress toward an athermal HEL optical window
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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.
© (2005) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Kenneth W. Billman, Danh C. Tran, Ken H. Levin, Steven M. Daigneault, and Nathan J. Edwards "Progress toward an athermal HEL optical window", Proc. SPIE 5647, Laser-Induced Damage in Optical Materials: 2004, (21 February 2005); https://doi.org/10.1117/12.584284
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