ANALYSIS ON THE DISTURBANCE OF CO2 LASER TO LONG-WAVE INFRARED HgCdTe DETECTOR
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    Abstract:

    Laser dazzling is important for countermeasures of precision guided weapons and self defence. In this study, the damages of high-power CO2 laser to long-wave infrared (LWIR) HgCdTe detector were studied theoretically and experimentally. Based on the results of experiment, the relationship between he temperature-rise of detectors and the time of laser irradiation on the detector and the power of laser was calculated by using the theoretical model of temperature-rise .The theoretical results demonstrate that the interference threshold of the detector is 16.5W/cm2 and the damage threshold is 126W/cm2. The conclusions have a reference value for laser jamming satellite-based detector.

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WANG Si-Wen, LI Yan, GUO Li-Hong, GUO Ru-Hai. ANALYSIS ON THE DISTURBANCE OF CO2 LASER TO LONG-WAVE INFRARED HgCdTe DETECTOR[J]. Journal of Infrared and Millimeter Waves,2010,29(2):102~104

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History
  • Received:March 28,2009
  • Revised:November 07,2009
  • Adopted:April 29,2009
  • Online: May 19,2010
  • Published: