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Presentation + Paper
19 November 2021 Ultraviolet fatigue testing of laser optics
Matthew S. Dabney, Brian Arnold, Cyrus Rashvand
Author Affiliations +
Abstract
Laser users desire optics that not only have a high laser induced damage threshold (LIDT), but also perform consistently over time. In fact, some aerospace and military applications can require long lifetime optics for remote environments where replacement is untenable. UV laser optics are susceptible to slow performance degradation with exposure to sub- Laser Induced Damage Threshold UV laser light due to the process of UV fatigue. Although UV fatigue of optics is well documented, the mechanisms are not well understood. Design and construction of a UV lifetime testbed to investigate the mechanisms of UV fatigue, preliminary results, and future directions are presented.
Conference Presentation
© (2021) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Matthew S. Dabney, Brian Arnold, and Cyrus Rashvand "Ultraviolet fatigue testing of laser optics", Proc. SPIE 11910, Laser-Induced Damage in Optical Materials 2021, 119100P (19 November 2021); https://doi.org/10.1117/12.2598678
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5 PAGES + PRESENTATION

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KEYWORDS
Ultraviolet radiation

UV optics

Laser optics

Mirrors

Laser induced damage

Optical testing

Transmittance

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