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Proceedings Paper

Research on the liquid coolant applied in the high repetition rate slab amplifier
Author(s): Bingyan Wang; Yangshuai Li; Panzheng Zhang; Li Wang; Yanli Zhang; Tao Feng; Qiong Zhou; Qiang Liu; Haiyuan Li; Xu Zhang; Shenlei Zhou; Weixin Ma; Jian Zhu; Jianqiang Zhu
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Paper Abstract

High repetition rate slab amplifier (HRRSA) is extraordinarily indispensable for the future fusion power plant, ultra-short laser, laser weapon, and so on. Thermal controlling is the decisive factor for the repetition rate and the output energy of the slab amplifier. For larger clear aperture HRRSA, flash-lamp pumped slab amplifier based on neodymium phosphate glass (Nd:glass) is chosen with the liquid cooling. The liquid coolant circulates across the Nd:glass and takes off the thermal induced in the pumping process. A novel liquid coolant (Series A) whose refractive index is the same with Nd:glass is proposed to alleviate the wavefront distortion induced by thermal. The chemical stability of the liquid coolant under high energy flash-lamp irradiation with 200 shots and under the irradiation of a 1053nm laser with 19 hours and 37 hours are experimented. The results show that the chemical stability of the liquid coolant is stable under irradiation.

Paper Details

Date Published: 5 March 2018
PDF: 5 pages
Proc. SPIE 10710, Young Scientists Forum 2017, 107104A (5 March 2018); doi: 10.1117/12.2317679
Show Author Affiliations
Bingyan Wang, Shanghai Institute of Optics and Fine Mechanics (China)
Yangshuai Li, Shanghai Institute of Optics and Fine Mechanics (China)
Panzheng Zhang, Shanghai Institute of Optics and Fine Mechanics (China)
Li Wang, Shanghai Institute of Optics and Fine Mechanics (China)
Yanli Zhang, Shanghai Institute of Optics and Fine Mechanics (China)
Tao Feng, Shanghai Institute of Optics and Fine Mechanics (China)
Qiong Zhou, Shanghai Institute of Optics and Fine Mechanics (China)
Qiang Liu, Shanghai Institute of Optics and Fine Mechanics (China)
Haiyuan Li, Shanghai Institute of Optics and Fine Mechanics (China)
Xu Zhang, Shanghai Institute of Optics and Fine Mechanics (China)
Shenlei Zhou, Shanghai Institute of Optics and Fine Mechanics (China)
Weixin Ma, Shanghai Institute of Optics and Fine Mechanics (China)
Jian Zhu, Shanghai Institute of Optics and Fine Mechanics (China)
Jianqiang Zhu, Shanghai Institute of Optics and Fine Mechanics (China)


Published in SPIE Proceedings Vol. 10710:
Young Scientists Forum 2017
Songlin Zhuang; Junhao Chu; Jian-Wei Pan, Editor(s)

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