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Chin. Opt. Lett.
 Home  List of Issues    Issue 06 , Vol. 04 , 2006    Approximate formulas of temperature and stress distributions and thermal induced effects in a heat capacity slab laser


Approximate formulas of temperature and stress distributions and thermal induced effects in a heat capacity slab laser
Yue Dong1;2, Jifeng Zu1, Liqun Hou1;2, Xianhua Yin1, Tao Zhang1;2, Yalong Gu1;2, Zhigang Liu1, Jianqiang Zhu1
1Laboratory of High Power Laser Physics, [Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences], Shanghai 201800
2[Graduate School of the Chinese Academy of Sciences], Beijing 100039

Chin. Opt. Lett., 2006, 04(06): pp.326-328-3

DOI:
Topic:Lasers and laser optics
Keywords(OCIS Code): 140.0140  140.6810  000.4430  

Abstract
Approximate formulas of transient temperature and stress distributions in the slab of a two-side pumped heat capacity laser are attained by solving the heat diffusion equation. Based on the formulas, the distributions of temperature and stress during the pump period of a two-sided symmetrically laser diode array (LDA) pumped Nd:GGG slab laser with 5-kW average output power are numerically simulated. The results show that the temperature in the slab will averagely increase by more than 70 Celsius degrees after operating for 10 seconds; the stress and maximum of the temperature difference in the slab are about 30 MPa and 24 Celsius degrees, respectively. The thermal induced effects are discussed also.

Copyright: © 2003-2012 . This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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Received:2005/11/15
Accepted:
Posted online:

Get Citation: Yue Dong, Jifeng Zu, Liqun Hou, Xianhua Yin, Tao Zhang, Yalong Gu, Zhigang Liu, Jianqiang Zhu, "Approximate formulas of temperature and stress distributions and thermal induced effects in a heat capacity slab laser," Chin. Opt. Lett. 04(06), 326-328-3(2006)

Note: This work was supported by the project of Chinese Academy of Sciences in 2005. J. Zu is the author to whom the correspondence should be addressed, his e-mail address is jifengzu@mail.siom.ac.cn.



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