Status of the SG-III solid state laser project

Hansheng Peng; Xiao Min Zhang; XiaoFeng Wei; Wanguo Zheng; Feng Jing; Zhan Sui; Dianyuan Fan; Zunqi Lin

doi:10.1117/12.354219

23 July 1999 Status of the SG-III solid state laser project

Hansheng Peng, Xiao Min Zhang, XiaoFeng Wei, Wanguo Zheng, Feng Jing, Zhan Sui, Dianyuan Fan, Zunqi Lin

Proceedings Volume 3492, Third International Conference on Solid State Lasers for Application to Inertial Confinement Fusion; (1999) https://doi.org/10.1117/12.354219
Event: Third International Conference on Solid State Lasers for Application to Inertial Confinement Fusion, 1998, Monterey, CA, United States

Abstract

High power solid state laser technologies for application to inertial confinement fusion have been developed over the past three decades in China. The XG-1 laser facility was built in 1984 and upgraded into XG-II in 1993. The SG-1 was completed in 1985 and the upgrade into SG-II will be finished in a few months. As the next step, the SG-III laser facility has been proposed to produce 60-kJ blue light for ICF target physics experiments and is one being conceptually designed. A preliminary baseline design suggest that he SG- III be a 64-beam facility with an output beam size of 25 cm X 25cm. The main amplifier column of 4 high by 2 wide has been chosen as a module. New laser technologies, including multipass amplification, large aperture plasma electrode switches, fast growth of KDP, laser glass with fewer platinum grains, Ce-doped quartz long flash lamps, capacitors with higher energy density, Ce-doped quartz long flash lamps, capacitors with higher energy density and precision manufacturing technique of large optical components have been developed to meet the requirements of the SG-III Project. In addition, numerical simulations are being conducted to optimize the optical design of the facility. The technical integration line with a 4 X 2 segmented aperture array of the amplifiers as a prototype beamline of the SG-III has been scheduled for the next few years.

Citation Download Citation

Hansheng Peng, Xiao Min Zhang, XiaoFeng Wei, Wanguo Zheng, Feng Jing, Zhan Sui, Dianyuan Fan, and Zunqi Lin "Status of the SG-III solid state laser project", Proc. SPIE 3492, Third International Conference on Solid State Lasers for Application to Inertial Confinement Fusion, (23 July 1999); https://doi.org/10.1117/12.354219

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