NDLI: Experiment analysis of CO2 laser disturbance on long-wave infrared HgCdTe detector

Content Provider	IEEE Xplore Digital Library
Author	Wang Si-Wen
Copyright Year	2011
Description	Author affiliation: Changchun Institute of Optics, Fine Mechanics and Physics, e of organization, Chinese Academy of Sciences, 130033, China (Wang Si-Wen)
Abstract	Theoretical analysis and experimental study were carried out on the high-power CO2 laser disturbance to long-wave infrared (LWIR) HgCdTe detector in this paper. Based on the practical parameters of experiment, the theoretical model of temperature-rise is adopted to calculate the variation of the temperature with the time and the power of laser for laser irradiation on the detector. After that, the high-power laser damage mechanism to LWIR detector is discussed, and compares with the experimental results of laser irradiation the detector on the distance of 15km. The theoretical and experimental results demonstrate that the interference threshold of the detector is $20.5W/cm^{2};$ the damage threshold is $110W/cm^{2}.$ This experimental phenomenon well agrees with the results predicted by the theoretical calculation. The conclusions have a certain reference value for the laser defense of detector.
Starting Page	375
Ending Page	377
File Size	211051
Page Count	3
File Format	PDF
ISBN	9781424480364
e-ISBN	9781424480395
DOI	10.1109/ICEICE.2011.5777431
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-04-15
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Damage threshold Laser theory Radiation effects Disturbing threshold Power lasers Optical attenuators Detectors Materials Laser modes CO2 laser LWIR detector Temperature rise model
Content Type	Text
Resource Type	Article

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