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多光谱制冷型红外系统杂散辐射抑制技术研究

Stray Radiation Suppression Technology for Multi-spectral Refrigeration Infrared System
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摘要 对采用制冷型中波红外探测器的光学系统,设计了一个多光谱中波红外汇聚系统,针对分色滤光片引入外界杂散辐射的问题,设计了一个热辐射抑制光阑,对其形状及位置不断地迭代优化,达到抑制系统外界杂散辐射的目的。经TracePro仿真验证表明,运用此热辐射抑制光阑后,总的杂散辐射降为之前总杂散辐射的8.8%,对改善成像质量有明显的效果。 For the optical system using refrigeration mid-wave infrared detector,a multi-spectral mid-wave infrared convergence system is designed.To solve the problem of external stray radiation introduced by color separation filter,a thermal radiation suppression stop is designed,and its shape and position are optimized through iteration,so as to suppress the external stray radiation of the system.The TracePro simulation shows that this thermal radiation suppression stop can reduce the total stray radiation to 8.8%.It has obvious effects of improving the imaging quality.
作者 于海滨 王晓锋 潘枝峰 任伟锋 蔡猛 YU Haibin;WANG Xiaofeng;PAN Zhifeng;REN Weifeng;CAI Meng(Science and Technology on Electro-Optical Control Laboratory,Luoyang 471000,China;Luoyang Institute of Electro-Optical Equipment,AVIC,Luoyang 471000,China;China National Aero-Technology Import & Export Corporation,Beijing 100000,China)
出处 《电光与控制》 CSCD 北大核心 2022年第4期83-88,共6页 Electronics Optics & Control
关键词 红外成像 光学系统 热辐射抑制光阑 杂散辐射 光学设计 infrared imaging optical system thermal radiation suppression stop stray radiation optical design
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