| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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Stimulated Brillouin Scattering Damage of Large-Aperture Fused Silica Grating |
| HAN Wei, HUANG Wan-Qing, LI Ke-Yu, WANG Fang, FENG Bin, JIA Huai-Ting, LI Fu-Quan, XIANG Yong, JING Feng, ZHENG Wan-Guo
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| Research Center of Laser Fusion, China Academy of Engineering Physics, Mianyang 621900 |
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| Cite this article: |
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HAN Wei, HUANG Wan-Qing, LI Ke-Yu et al 2010 Chin. Phys. Lett. 27 124205 |
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Abstract Laser induced damage experiment is carried out on a large aperture laser facility. Severe damage is observed on a large-aperture fused silica grating which presents 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 occurring in the grating, which includes the transverse SBS, the back SBS and the zigzag SBS.
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| Keywords:
42.70.-a
42.65.Es
42.79.Dj
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Received: 30 August 2010
Published: 23 November 2010
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