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Proceedings Paper

A homogeneous cooling scheme investigation for high power slab laser
Author(s): Jianguo He; Weiran Lin; Zhongwei Fan; Yanzhong Chen; Wenqi Ge; Jin Yu; Hao Liu; Zeqiang Mo; Lianwen Fan; Dan Jia
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Paper Abstract

The forced convective heat transfer with the advantages of reliability and durability is widely used in cooling the laser gain medium. However, a flow direction induced temperature gradient always appears. In this paper, a novel cooling configuration based on longitudinal forced convective heat transfer is presented. In comparison with two different types of configurations, it shows a more efficient heat transfer and more homogeneous temperature distribution. The investigation of the flow rate reveals that the higher flow rate the better cooling performance. Furthermore, the simulation results with 20 L/min flow rate shows an adequate temperature level and temperature homogeneity which keeps a lower hydrostatic pressure in the flow path.

Paper Details

Date Published: 24 October 2017
PDF: 6 pages
Proc. SPIE 10457, AOPC 2017: Laser Components, Systems, and Applications, 104572S (24 October 2017); doi: 10.1117/12.2284946
Show Author Affiliations
Jianguo He, Academy of Opto-Electronics (China)
National Engineering Research Ctr. (China)
Weiran Lin, Academy of Opto-Electronics (China)
National Engineering Research Ctr. (China)
HarGlo Applied Laser Technology Institute Co., Ltd. (China)
Zhongwei Fan, Academy of Opto-Electronics (China)
National Engineering Research Ctr. (China)
Univ. of Chinese Academy of Sciences (China)
Yanzhong Chen, Academy of Opto-Electronics (China)
National Engineering Research Ctr. (China)
Wenqi Ge, Academy of Opto-Electronics (China)
National Engineering Research Ctr. (China)
Jin Yu, Academy of Opto-Electronics (China)
National Engineering Research Ctr. (China)
Univ. of Chinese Academy of Sciences (China)
Hao Liu, Academy of Opto-Electronics (China)
National Engineering Research Ctr. (China)
Zeqiang Mo, Academy of Opto-Electronics (China)
National Engineering Research Ctr. (China)
Lianwen Fan, China Academy of Space Technology (China)
Dan Jia, Academy of Opto-Electronics (China)


Published in SPIE Proceedings Vol. 10457:
AOPC 2017: Laser Components, Systems, and Applications
Shibin Jiang; Lijun Wang; Lan Jiang; Long Zhang, Editor(s)

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