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Volume 26 Issue 1
Sep.  2013
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Citation:
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Damage effect of CW CO2 laser on PV type InSb detector

  • 1.

    National University of Defense Technology, Changsha, 410073

  • Received Date: 2000-10-08
    Accepted Date: 2000-11-28
  • The performance of PV type InSb detector illuminated by CW CO2 laser with different power density and time duration has been measured so that the damage threshold range of 72W/cm2×(4～5)s is obtained.Based on one-dimension thermal model,thermal increase is theoretically calculated with the detector illuminated by laser.Results show that the detector damage source is the temperature in the proccess of CW laser illumination which gets up to the melt point of InSb so that its p-n junction becomes a resistance.
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  • [1] 陆启生,蒋志平,刘泽金 et al.强激光与粒子束,1991,3(1):102.
    [2] 蒋志平,陆启生,刘泽金 et al.强激光与粒子束,1990,2(2):247.
    [3] 陈金宝,蒋志平,陆启生 et al.应用激光,1995,15(4):167.
    [4] 李景镇.光学手册,西安:陕西科技出版社,1986:1310.
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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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Damage effect of CW CO2 laser on PV type InSb detector

  • 1. National University of Defense Technology, Changsha, 410073
  • Received Date: 2000-10-08
  • Accepted Date: 2000-11-28
  • Available Online: 2002-01-25

Abstract: The performance of PV type InSb detector illuminated by CW CO2 laser with different power density and time duration has been measured so that the damage threshold range of 72W/cm2×(4～5)s is obtained.Based on one-dimension thermal model,thermal increase is theoretically calculated with the detector illuminated by laser.Results show that the detector damage source is the temperature in the proccess of CW laser illumination which gets up to the melt point of InSb so that its p-n junction becomes a resistance.

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