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4 January 2021 Long-term monitoring the damage performance of multilayer dielectric grating samples residing inside the compressor chamber of the OMEGA EP laser
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Abstract

Understanding of the laser-induced damage threshold and impact of air–vacuum cycling of the optical components in short-pulse laser systems is of fundamental importance. We report the results of a damage-testing campaign that monitored representative pulse compression grating samples that were positioned inside the OMEGA EP grating compressor vacuum chamber during normal operation and routinely damage tested on every quarterly vent for a period of about 10 years. The evolution of their damage resistance under 10-ps and 100-ps pulse lengths are associated with a significant degradation of the laser-induced damage thresholds, which is comparatively larger at 100 ps, is described.

© 2021 Society of Photo-Optical Instrumentation Engineers (SPIE) 0091-3286/2021/$28.00 © 2021 SPIE
Alexei A. Kozlov, Stavros G. Demos, David Canning, Brittany N. Hoffman, Brian E. Kruschwitz, Amy L. Rigatti, Nickolaos Savidis, and Leon J. Waxer "Long-term monitoring the damage performance of multilayer dielectric grating samples residing inside the compressor chamber of the OMEGA EP laser," Optical Engineering 60(3), 031008 (4 January 2021). https://doi.org/10.1117/1.OE.60.3.031008
Received: 3 July 2020; Accepted: 4 December 2020; Published: 4 January 2021
JOURNAL ARTICLE
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