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12 October 2021 The impact of intensity fluctuations on laser damage
Douglas W. Broege, Stavros W. Demos, Christophe Dorrer, Kyle Kafka, Amy Rigatti, Michael Spilatro
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Proceedings Volume 11910, Laser-Induced Damage in Optical Materials 2021; 119100I (2021) https://doi.org/10.1117/12.2597516
Event: SPIE Laser Damage, 2021, Online Only
Abstract
Laser systems capable of delivering energetic nanosecond pulses with large incoherent bandwidth spanning more than 10 THz are currently under development for the study of laser–plasma instabilities. A consequence of such a spectrum is random intensity fluctuations, which may have a significant effect on laser damage thresholds. A special damage test station has been built for studying the effect this unique radiation has on common laser materials. We will share measurements of damage thresholds in coated optics, KDP, transmission gratings, and bare materials under various conditions aimed at understanding the role temporal fluctuations play in laser damage.
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Douglas W. Broege, Stavros W. Demos, Christophe Dorrer, Kyle Kafka, Amy Rigatti, and Michael Spilatro "The impact of intensity fluctuations on laser damage", Proc. SPIE 11910, Laser-Induced Damage in Optical Materials 2021, 119100I (12 October 2021); https://doi.org/10.1117/12.2597516
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KEYWORDS
Laser induced damage
Radiation effects
Ultraviolet radiation
Modulation
Terahertz radiation
Optical testing
Q switched lasers
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