Numerical investigation of growth model for laser-induced damage in optics under high power laser irradiation

Sensen Li; Fan Wu; Qianghu Liu; Guanjun Zhou; Xiangli Bi; Chaowei An; Xiusheng Yan

doi:10.1117/12.2539816

8 July 2019 Numerical investigation of growth model for laser-induced damage in optics under high power laser irradiation

Sensen Li, Fan Wu, Qianghu Liu, Guanjun Zhou, Xiangli Bi, Chaowei An, Xiusheng Yan

Author Affiliations +

Proceedings Volume 11063, Pacific Rim Laser Damage 2019: Optical Materials for High-Power Lasers; 110630R (2019) https://doi.org/10.1117/12.2539816
Event: Pacific Rim Laser Damage 2019 and Thin Film Physics and Applications 2019, 2019, Qingdao, China

Abstract

In high-power laser systems, the optics suffers from different degrees of damage due to high-power laser irradiation. Studying the laser-induced damage generation and growth law of the optics is greatly benefited by the ability to accurately predict how damage sites evolve with laser exposure. In this work, the laser-induced damage growth model in optics under high-power laser irradiation is described based on the Weibull distribution model. A parameter method for solving Weibull distribution model by using the least-square method is proposed. In addition, a Monte-Carlo analysis method is used to numerically simulate the growth law of laser-induced damage in optics based on the statistical theory. Furthermore, we have also predict the laser-induced damage growth trend for 20 shots in high-power laser systems.

Citation Download Citation

Sensen Li, Fan Wu, Qianghu Liu, Guanjun Zhou, Xiangli Bi, Chaowei An, and Xiusheng Yan "Numerical investigation of growth model for laser-induced damage in optics under high power laser irradiation", Proc. SPIE 11063, Pacific Rim Laser Damage 2019: Optical Materials for High-Power Lasers, 110630R (8 July 2019); https://doi.org/10.1117/12.2539816

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