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红外焦平面阵列非线性响应的分析和计算
引用本文:刘会通,郑志伟,等.红外焦平面阵列非线性响应的分析和计算[J].红外与毫米波学报,2001,20(4):253-258.
作者姓名:刘会通  郑志伟
作者单位:1. 哈尔滨工业大学光电子技术研究所,
2. 洛阳光电技术发展中心,
摘    要:分析了导致红外焦平面阵列响应非线性的各种因素;并以HgCdTe红外焦平面阵列为例,以量子效率与入射光子波长的相关性为基础,计算了在准理想条件下探测器响应的非线性量;结合非均匀性校正,计算了在给定区间定标后的非线性大小;还对实际应用中一例非线性响应所导致的焦平面阵列的非均匀性剩余误差进行了解释。

关 键 词:红外焦平面阵列  非线性响应  非均匀性  量子效率
修稿时间:2000年6月25日

ANALYSIS AND CALCULATION OF THE NONLINEAR RESPONSE IN INFRARED FOCAL PLANE ARRAYS
LIU Hui,Tong,WANG Qi.ANALYSIS AND CALCULATION OF THE NONLINEAR RESPONSE IN INFRARED FOCAL PLANE ARRAYS[J].Journal of Infrared and Millimeter Waves,2001,20(4):253-258.
Authors:LIU Hui  Tong  WANG Qi
Abstract:Various factors contributing to the nonlinearity response in infrared focal plane array (IRFPA) were analyzed. Then based on the dependence of quantum efficiency on the wavelength of incident photon flux, the global nonlinearity in the response of HgCdTe IRFPA was calculated under quasi ideal conditions. In consideration of nonuniformity correction, the nonlinearity in the calibrated interval was further calculated. At last, a practical case of residual nonuniformity error attribued to the nonuniformity of response nonlinearity was introduced and interpreted.
Keywords:infrared focal plane array (IRFPA)  nonlinear response  nonuniformity  quantum efficiency    
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