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Analysis of laser pumping and thermal effects based on element analysis
Author(s): Li Cui; Zhijia Liu; Yizhuo Zhang; Juan Han
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Paper Abstract

Thermal effect is a plateau that limits the output of high-power, high beam quality laser, and thermal effects become worse with the increase of pump power. We can reduce the effects caused by thermal effects from pumping, laser medium shape, cooling method and other aspects. In this article, by using finite element analysis software, the thermal effects between Nd:Glass and Nd:YAG laser crystal was analyzed and compared. The causes of generation for thermal effects, and factors that influence the distribution in laser medium were analyzed, including the light source, the laser medium shape and the working mode. Nd:Glass is more suitable for low repetition frequency, high energy pulsed laser output, due to its large size, line width and so on, and Nd:YAG is more suitable for continue or high repetition rate laser output, due to its higher thermal conductivity.

Paper Details

Date Published: 5 March 2018
PDF: 7 pages
Proc. SPIE 10710, Young Scientists Forum 2017, 1071038 (5 March 2018); doi: 10.1117/12.2316778
Show Author Affiliations
Li Cui, Beijing Research Institute of Aviation Engineering (China)
Zhijia Liu, Aerospace Dongfanghong Satellite Co., Ltd. (China)
China Aerospace Science and Space Technology Institute (China)
Yizhuo Zhang, Beijing Research Institute of Aviation Engineering (China)
Juan Han, Beijing Research Institute of Aviation Engineering (China)

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

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