MCP成像探测器前端电子学增益补偿  

Research on front-end electronics gain compensation of MCP imaging detector

作　　者：窦双团 付利平 贾楠 王天放 DOU Shuangtuan;FU Liping;JIA Nan;WANG Tianfang(National Space Science Center,Chinese Academy of Sciences,Beijing 100190,China;University of Chinese Academy of Sciences,Beijing 100190,China;Beijing Key Laboratory of Space Environment Exploration,Beijing 100190,China;Key Laboratory of Science and Technology on Environmental Space Situation Awareness,Beijing 100190,China)

机构地区：[1]中国科学院国家空间科学中心,北京100190 [2]中国科学院大学,北京100190 [3]北京天基空间环境探测重点实验室,北京100190 [4]空间环境态势感知科技重点实验室,北京100190

出　　处：《应用光学》2022年第6期1165-1174,共10页Journal of Applied Optics

基　　金：国家自然科学基金(42174226,41874187)。

摘　　要：基于微通道板电子倍增电荷分割型阳极的成像探测器常用于行星大气、气辉等微弱信号探测。针对探测器读出电路增益不相等导致探测器成像产生畸变的问题,利用理论分析结合MATLAB仿真揭示了不同畸变图像的形成机制,在该基础上提出了一种探测器读出电路增益补偿方法减小探测器成像畸变。通过MATLAB仿真和实验测试结果表明该文提出的方法能够有效减小由于读出电路增益不相等导致的探测器成像畸变。The imaging detectors based on the electron multiplication charge splitting anode of micro-channel plate are often used for weak signal detection such as planetary atmosphere and airglow.In view of the problem of detector imaging distortion caused by unequal gain of detector readout circuit,the theoretical analysis combined with MATLAB simulations were used to reveal the formation mechanism of different distorted images,and a gain compensation method of detector readout circuit was proposed to reduce the detector imaging distortion.The MATLAB simulation and experimental results show that the proposed method can effectively reduce the detector imaging distortion due to the unequal gain of readout circuit.

关 键 词：紫外光子探测器 探测器前端电子学 模型和仿真 图像畸变 探测器增益补偿 

分 类 号：TN366[电子电信—物理电子学]