Status of prototype of SG-III high-power solid-state laser

Haiwu Yu; Feng Jing; Xiaofeng Wei; Wanguo Zheng; Xiaomin Zhang; Zhan Sui; Mingzhong Li; Dongxia Hu; Shaobo He; Zhitao Peng; Bin Feng; Hai Zhou; Liangfu Guo; Xiaoqun Li; Jingqin Su; Runchang Zhao; Dong Yang; Kuixing Zheng; Xiaodong Yuan

doi:10.1117/12.817000

21 April 2009 Status of prototype of SG-III high-power solid-state laser

Haiwu Yu, Feng Jing, Xiaofeng Wei, Wanguo Zheng, Xiaomin Zhang, Zhan Sui, Mingzhong Li, Dongxia Hu, Shaobo He, Zhitao Peng, Bin Feng, Hai Zhou, Liangfu Guo, Xiaoqun Li, Jingqin Su, Runchang Zhao, Dong Yang, Kuixing Zheng, Xiaodong Yuan

Author Affiliations +

Proceedings Volume 7131, XVII International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers; 713112 (2009) https://doi.org/10.1117/12.817000
Event: XVII International Symposium on Gas Flow and Chemical Lasers and High Power Lasers, 2008, Lisboa, Portugal

Abstract

We are currently developing a large aperture neodymium-glass based high-power solid state laser, Shenguang-III (SG-III), which will be used to provide extreme conditions for high-energy-density physical experiments in China. As a baseline design, SG-III will be composed of 48 beams arranged in 6 bundles with each beam aperture of 40cm×40cm. A prototype of SG-III (TIL-Technical Integration experimental Line) was developed from 2000, and completed in 2007. TIL is composed of 8 beams (four in vertical and two in horizontal), with each square aperture of 30cm×30cm. After frequency tripling, TIL has delivered about 10kJ in 0.351 μm at 1 ns pulsewidth. As an operational laser facility, TIL has a beam divergence of 70 μrad (focus length of 2.2m, i.e., 30DL) and pointing accuracy of 30 μm (RMS), and meets the requirements of physical experiments.

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Haiwu Yu, Feng Jing, Xiaofeng Wei, Wanguo Zheng, Xiaomin Zhang, Zhan Sui, Mingzhong Li, Dongxia Hu, Shaobo He, Zhitao Peng, Bin Feng, Hai Zhou, Liangfu Guo, Xiaoqun Li, Jingqin Su, Runchang Zhao, Dong Yang, Kuixing Zheng, and Xiaodong Yuan "Status of prototype of SG-III high-power solid-state laser", Proc. SPIE 7131, XVII International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers, 713112 (21 April 2009); https://doi.org/10.1117/12.817000

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