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Proceedings Paper

Analytical solution of steady temperature field distribution in cylindrical medium irradiated by laser
Author(s): Liang Liu; Shanshan Wang; Hongyan Xu; Zhenjiang Song; Xiujun Huang; Dele Shi
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Paper Abstract

Thermal effect severely limits the output power and beam quality in high-power solid-state lasers systems. In solid-state lasers, most optical elements are cylindrical, such as laser medium, mirrors, and so on. Normally, thermal analysis is deduced based on the hypothesis that just one surface is cooled while the others are adiabatic. This paper presents semi-analytical formula of steady-state temperature field distribution, based on the hypothesis that both side surface and one end surface are cooled with different coefficients of heat transfer. Simulation results with Ansys confirmed the correctness of the above formula. The results are helpful to the study of thermal effect in disc laser, rod laser and reflective mirrors in high-power laser system.

Paper Details

Date Published: 29 March 2019
PDF: 6 pages
Proc. SPIE 11046, Fifth International Symposium on Laser Interaction with Matter, 110460S (29 March 2019); doi: 10.1117/12.2523639
Show Author Affiliations
Liang Liu, Shandong Institute of Aerospace Electronics Technology (China)
Naval Aeronautical Univ. (China)
National Univ. of Defense Technology (China)
Shanshan Wang, Yantai Industry and Trade Technician College (China)
Hongyan Xu, Shandong Institute of Aerospace Electronics Technology (China)
Zhenjiang Song, Shandong Institute of Aerospace Electronics Technology (China)
Xiujun Huang, Shandong Institute of Aerospace Electronics Technology (China)
Dele Shi, Shandong Institute of Aerospace Electronics Technology (China)


Published in SPIE Proceedings Vol. 11046:
Fifth International Symposium on Laser Interaction with Matter
YiJun Zhao, Editor(s)

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