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Volume 33 Issue 1
Feb.  2009
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Influence factors of temperature and strain distribution in electro-optic crystal for repetition frequency lasers

  • Corresponding author: TIAN Xiao-lin, Jackie.2010@yahoo.com
  • Received Date: 2007-12-05
    Accepted Date: 2008-02-28
  • In order to use plasma electro-optic switch in repetition frequency lasers, the effect of crystal absorption coefficient,the crystal thickness, the distance between focula boundary and crystal boundary, power-intensity distribution, on temperature and strain distribution was analyzed by means of finite element method.The simulation results indicate that the heat deposit depends on absorption coefficient and crystal thickness, the temperature distribution is not only related with power intensity distribution of incident laser but also the distance between focula boundary and crystal boundary.The temperature distribution as well as the thermodynamic parameter determinates the strain field.
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    ZHANG J.ZHANG X J,WEI X F,et al.Depoladzed-less analysis of the electro-optic crystal KDP in repetition frequency laser[J].High Power Laser and Particle Beams,2008,20(2):229-233(in Chincse).
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    CAO D X,ZHANG X J,ZHENG W G,et al.Simulation of threadynamies of electro-optic switches for high average power[J].High Power Laser and Particle Beams,2006.18(9):1417-1422(in Chinese).
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    ZHANG K C,WANG X M.Nonlinear optic crystal material science[M].Beijins:Science Press,2005:142-150(in Chinese).
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Influence factors of temperature and strain distribution in electro-optic crystal for repetition frequency lasers

    Corresponding author: TIAN Xiao-lin, Jackie.2010@yahoo.com
  • 1. Laser Fusion Research Center, China Academy of Engineering Physics, Mianyang 621900, China

Abstract: In order to use plasma electro-optic switch in repetition frequency lasers, the effect of crystal absorption coefficient,the crystal thickness, the distance between focula boundary and crystal boundary, power-intensity distribution, on temperature and strain distribution was analyzed by means of finite element method.The simulation results indicate that the heat deposit depends on absorption coefficient and crystal thickness, the temperature distribution is not only related with power intensity distribution of incident laser but also the distance between focula boundary and crystal boundary.The temperature distribution as well as the thermodynamic parameter determinates the strain field.

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