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针对导弹红外成像系统调试和测试的需要,设计了一种折射式红外平行光管。平行光管由准直物镜、红外靶、红外靶温度控制系统和镜筒等部分组成。准直物镜采用柯克3片式结构,且为像方远心光路,红外靶由镂空的铜板靶面和靶面后面的黑体组成,红外靶控制系统控制红外靶温差在0.2~8℃可调。对准直物镜的成像质量进行了分析,并给出了红外靶温度控制原理图。
In order to meet the need of commissioning and testing of missile infrared imaging system, a refraction infrared collimator was designed. Collimator consists of collimating lens, infrared target, infrared target temperature control system and lens barrel. Collimating objective lens adopts Kirk 3-slice structure, and is like Fang Yuanxin light path. The infrared target consists of the hollow copper plate target surface and the black body behind the target surface. The infrared target control system can control the infrared target temperature difference to be adjustable from 0.2 to 8 DEG C . The imaging quality of the collimating objective lens is analyzed, and the principle diagram of infrared target temperature control is given.