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通过测量光伏型锑化铟探测器在不同功率密度、不同辐照时间的CWCO2 激光辐照时性能的变化 ,得到其破坏阈值区间。理论上用一维热模型计算了探测器在激光辐照过程中的温升 ,结果表明 ,PV型InSb探测器的破坏效应源于连续波激光辐照过程中温升达到InSb材料熔点时其p n结退化为电阻
The damage threshold range was obtained by measuring the change of the performance of the PV-based InSb detector when irradiated by CWCO2 laser with different power density and irradiation time. In theory, one-dimensional thermal model was used to calculate the temperature rise of the detector during laser irradiation. The results show that the destructive effect of the PV-type InSb detector originates from the fact that when the temperature rises to the melting point of the InSb material during the continuous laser irradiation, the pn Knot degenerated into resistance