高工作温度红外探测器的研究进展及趋势

Research Progress and Trends of High Operating Temperature Infrared Detectors

基于高工作温度探测器的热成像系统的典型特征是体积小、重量轻、功耗低,其性能在降低成本的同时与低温制冷型热成像系统的性能相当,有着重要的应用价值和批量生产的前景。本文介绍势垒型探测器的结构特点,阐述构建势垒型探测器的材料结构类型与其对系统性能的影响,总结其他相关技术实现的高温探测器。最后对势垒型探测器目前的研究进展进行归纳,提出了几个高温探测器技术未来的研究方向。

Low SWaP(size,weight,and power)applications are typical features of thermal imaging systems based on HOT(high operating temperature)detectors.The system performance is comparable to that of a cooled infrared system,with reduced manufacturing costs.They have important application value and are promising prospects for high volume production.The structural features of barrier detectors are introduced,and the structures of the materials used for the barrier detectors and their impact on system performance are analyzed.Other technologies used for HOT detectors are also summarized.Finally,the current research progress on barrier infrared detectors is summarized.Additionally,several future research directions for HOT detector technologies are presented.