大幅宽多谱段高光谱红外探测器研究  

Research on Large-Width Multi-Band Hyperspectral Infrared Detectors

作　　者：王经纬[1] 王晓龙 付志凯 张智超[1] 孟令伟[1] WANG Jing-wei;WANG Xiao-long;FU Zhi-kai;ZHANG Zhi-chao;MENG Ling-wei(Focal Plane Technology Research Department,North China Research Institute of Electro-Optics,Beijing 100015,China)

机构地区：[1]华北光电技术研究所焦平面技术研究部,北京100015

出　　处：《红外》2024年第4期1-6,共6页Infrared

摘　　要：报道了基于分子束外延(Molecular Beam Epitaxy,MBE)碲镉汞(Mercury Cadmium Telluride,MCT)技术的大幅宽、多谱段、大像元高光谱红外探测器的最新研究进展。采用MBE技术制备出高质量MCT材料;采用成熟的n-on-p技术路线制备探测芯片,并针对特殊形状的大像元进行了优化;高光谱专用读出电路设计针对短波、窄谱段、小信号等典型特征进行了优化,并针对光谱应用加入行增益可调等功能设计。测试结果表明,组件基本性能良好,有效像元率大于99.5%,平均量子效率优于70%。The latest research progress of large-width,multi-band,large-pixel hyperspectral infrared detectors based on molecular beam epitaxy(MBE)mercury cadmium telluride(MCT)technology is reported.High-quality MCT materials are fabricated by MBE technology.For the fabrication of the detector chips,the well-established n-on-p technology route is employed,with optimizations made for large pixels with special shapes.The readout circuits,specifically designed for hyperspectral applications,have been tailored for typical characteristics such as short wavelengths,narrow spectral bands,and small signals,incorporating features like gain-selection-by-line function for spectral applications.The test results show that the basic performance of the module is good,with an operability greater than 99.5%and an average quantum efficiency greater than 70%.

关 键 词：高光谱 红外探测器 碲镉汞 分子束外延 

分 类 号：TN213[电子电信—物理电子学]