Numerical analysis on the cooling characteristics of finite Nd: GGG slab in a solid state heat capacity laser

Liqun Hou; Jifeng Zu; Yue Dong; Xianhua Yin; Jianqiang Zhu

doi:10.1117/12.725763

29 January 2007 Numerical analysis on the cooling characteristics of finite Nd: GGG slab in a solid state heat capacity laser

Liqun Hou, Jifeng Zu, Yue Dong, Xianhua Yin, Jianqiang Zhu

Author Affiliations +

Proceedings Volume 6279, 27th International Congress on High-Speed Photography and Photonics; 62796U (2007) https://doi.org/10.1117/12.725763
Event: 27th International congress on High-Speed Photography and Photonics, 2006, Xi'an, China

Abstract

In this paper, based on the fundamental theories of heat transfer, we researched the cooling characteristics of a finite Nd: GGG slab working in HCL mode. The 3D thermal and stress fields in the slab are simulated by the ANSYS firstly, then distribution rules of temperature and stress are outlined, and the influences of coolant temperature and convective heat transfer coefficient on the cooling effects are also discussed. At last, a cooling method with increasing continuously flow rate coolant in normal temperature is proposed. As a result, the maximum cooling stress could be depressed down about ten percents and cooling procedure is also shortened. It can be suitable to some special SSHCLs' applications that have higher demand for cooling time.

Citation Download Citation

Liqun Hou, Jifeng Zu, Yue Dong, Xianhua Yin, and Jianqiang Zhu "Numerical analysis on the cooling characteristics of finite Nd: GGG slab in a solid state heat capacity laser", Proc. SPIE 6279, 27th International Congress on High-Speed Photography and Photonics, 62796U (29 January 2007); https://doi.org/10.1117/12.725763

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