Multi-physics coupling modeling for femtosecond laser damage in fused silica

Hao Yang; Tong Yue; Yiguo Li; Wenbing Liu; Meixia Yang; Zhili Zheng; Yuhan Zhou; Quanxi Liu

doi:10.1117/12.3021195

22 December 2023 Multi-physics coupling modeling for femtosecond laser damage in fused silica

Hao Yang, Tong Yue, Yiguo Li, Wenbing Liu, Meixia Yang, Zhili Zheng, Yuhan Zhou, Quanxi Liu

Proceedings Volume 12982, Pacific-Rim Laser Damage 2023: Optical Materials for High-Power Lasers; 1298206 (2023) https://doi.org/10.1117/12.3021195
Event: SPIE/SIOM Pacific Rim Laser Damage, 2023, Shanghai, China

Abstract

Fused silica is an important optical material used in scientific research, industry and medical fields. In order to explore the mechanism of femtosecond laser damage in fused silica, a multi-physics coupling dynamics model was developed to obtain the transient dynamic behaviors of laser damage. It is found that the thermal wave and mechanical wave caused by initial energy deposition plays an important role in the crack formation near the laser irradiation area. The simulated evolution of laser damage is verified by the early transient images captured by the ultra-fast experimental detection system. This work provides further insights in explaining the laser-induced damage in fused silica.

(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Hao Yang, Tong Yue, Yiguo Li, Wenbing Liu, Meixia Yang, Zhili Zheng, Yuhan Zhou, and Quanxi Liu "Multi-physics coupling modeling for femtosecond laser damage in fused silica", Proc. SPIE 12982, Pacific-Rim Laser Damage 2023: Optical Materials for High-Power Lasers, 1298206 (22 December 2023); https://doi.org/10.1117/12.3021195

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