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Volume 29 Issue 1
Sep.  2013
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Article Navigation >  LASER TECHNOLOGY  > 2005 >  29(1): 9-10,17

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Finite element simulating about laser radiation of semiconductor-cooled composite phase change silicon mirror

  • 1.

    National Laboratory of Laser Technology, HUST, Wuhan 430074, China

  • Corresponding author: YU Wen-feng, gdlaser@hotmail.com ; 
  • Received Date: 2003-12-10
    Accepted Date: 2004-05-09
  • In order to overcome the shortcoming of long time interval between two shoots in the high-energy laser by using phase change material(PCM) cooled mirror,a novel semiconductor-cooled composite phase chang silicon mirror is presented in this paper.Thermal process of laser radiation of solid silicon mirror,PCM and semiconductor-cooled mirror is simulated by ANSYS finite element program. From the largest temperature-time curves there can be seen that semiconductor-cooled composite phase chang silicon mirror can restore the temperature of mirror and elastic deformation to their start for 5s in the 25W of refrigerating output under 20℃ of environment temperature and 100W of net absorption heat quantity.
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  • [1] 张耀宁,程祖海,库耕et al.硅镜热畸变研究[J].中国激光,1997,24(8):688～692.
    [2] 彭玉峰,程祖海,张耀宁et al.强激光辐照下硅基片超薄多层金属镜的热畸变[J].中国激光,2002,29(1):21～24.
    [3] 张耀宁,彭玉峰,周次明et al.相变制冷复合镜研究[J].强激光与粒子束,2000,12(s0):77～79.
    [4] 徐德胜.半导体制冷与应用技术[M].上海:上海交通大学出版社,1992.3～5.
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Finite element simulating about laser radiation of semiconductor-cooled composite phase change silicon mirror

    Corresponding author: YU Wen-feng, gdlaser@hotmail.com; 
  • 1. National Laboratory of Laser Technology, HUST, Wuhan 430074, China
  • Received Date: 2003-12-10
  • Accepted Date: 2004-05-09
  • Available Online: 2005-01-25

Abstract: In order to overcome the shortcoming of long time interval between two shoots in the high-energy laser by using phase change material(PCM) cooled mirror,a novel semiconductor-cooled composite phase chang silicon mirror is presented in this paper.Thermal process of laser radiation of solid silicon mirror,PCM and semiconductor-cooled mirror is simulated by ANSYS finite element program. From the largest temperature-time curves there can be seen that semiconductor-cooled composite phase chang silicon mirror can restore the temperature of mirror and elastic deformation to their start for 5s in the 25W of refrigerating output under 20℃ of environment temperature and 100W of net absorption heat quantity.

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