Damage phenomenon of large-aperture fused silica grating

Wei Han; Fuquan Li; Bin Feng; Yong Xiang; Feng Jing; Wanguo Zheng

doi:10.1117/12.866327

29 November 2010 Damage phenomenon of large-aperture fused silica grating

Wei Han, Fuquan Li, Bin Feng, Yong Xiang, Feng Jing, Wanguo Zheng

Proceedings Volume 7842, Laser-Induced Damage in Optical Materials: 2010; 784228 (2010) https://doi.org/10.1117/12.866327
Event: Laser Damage Symposium XLII: Annual Symposium on Optical Materials for High Power Lasers, 2010, Boulder, Colorado, United States

Abstract

Laser induced damage experiment was carried out on a large aperture laser facility. Severe damage has been observed on a large-aperture fused silica grating which presented dense craters on the front surface and six cracks alternatively located at the front and the rear surface. The bizarre fact about the damage on the grating is that, unlike other optics, the damage craters are almost on the front surface. According to observation, damage phenomenon is due to the Stimulated Brillouin Scattering (SBS) effect happened in the grating.

Citation Download Citation

Wei Han, Fuquan Li, Bin Feng, Yong Xiang, Feng Jing, and Wanguo Zheng "Damage phenomenon of large-aperture fused silica grating", Proc. SPIE 7842, Laser-Induced Damage in Optical Materials: 2010, 784228 (29 November 2010); https://doi.org/10.1117/12.866327

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