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本文叙述了在红外光学系统设计时,增大接收系统口径获得能量与透镜厚度的相互关系。给出了计算单透镜最佳接收口径的公式,并对几种常用的红外材料给出了图解曲线。
This paper describes the relationship between the energy gain of the receiving system and the thickness of the lens when the infrared optical system is designed. The formula for calculating the optimal receiving aperture of single lens is given, and the graphical curves of several commonly used infrared materials are given.