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Proceedings Paper

Evaluation method of thermal recovery uniformity for high energy amplifier
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Paper Abstract

Thermal recovery uniformity is key factor on high energy laser device. Based on the principle of statistics, combined with the amplifier glass neodymium thermal recovery research results, we put forward degree of uniformity as evaluation index for Nd-glass laser slab on multi-segment amplifier. The simulation results show that the heat transfer coefficient of the Nd:glass laser slab on the amplifier is affected by number, pitch and diameter of the inlet jet. The heat transfer coefficient and temperature contour of Nd:glass laser slab are obtained based on numerical simulation. Moreover, the degree of uniformity of Nd-glass laser slab is on the base of simulation results. The more the degree of uniformity is close to 1, the better thermal recovery of Nd:glass laser slab.

Paper Details

Date Published: 29 November 2012
PDF: 7 pages
Proc. SPIE 8551, High-Power Lasers and Applications VI, 855109 (29 November 2012); doi: 10.1117/12.2001306
Show Author Affiliations
Zhiyuan Ren, Shanghai Institute of Optics and Fine Mechanics (China)
Jianqiang Zhu, Shanghai Institute of Optics and Fine Mechanics (China)


Published in SPIE Proceedings Vol. 8551:
High-Power Lasers and Applications VI
Upendra N. Singh; Dianyuan Fan; Jianquan Yao; Robert F. Walter, Editor(s)

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