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24 October 2017 A homogeneous cooling scheme investigation for high power slab laser
Jianguo He, Weiran Lin, Zhongwei Fan, Yanzhong Chen, Wenqi Ge, Jin Yu, Hao Liu, Zeqiang Mo, Lianwen Fan, Dan Jia
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Proceedings Volume 10457, AOPC 2017: Laser Components, Systems, and Applications; 104572S (2017) https://doi.org/10.1117/12.2284946
Event: Applied Optics and Photonics China (AOPC2017), 2017, Beijing, China
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.
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Jianguo He, Weiran Lin, Zhongwei Fan, Yanzhong Chen, Wenqi Ge, Jin Yu, Hao Liu, Zeqiang Mo, Lianwen Fan, and Dan Jia "A homogeneous cooling scheme investigation for high power slab laser", Proc. SPIE 10457, AOPC 2017: Laser Components, Systems, and Applications, 104572S (24 October 2017); https://doi.org/10.1117/12.2284946
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KEYWORDS
Convection
High power lasers
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