一种轴向变倍四视场中波红外光学系统
发布时间：2018-08-20 10:26
【摘要】：设计了一款长焦距大变倍比轴向变倍四视场中波红外光学系统.该光学系统由前固定组、变倍调焦组、中间补偿组、后固定组、反射镜一、反射镜二、中继组组成.光学系统采用光学补偿叠加机械补偿方式克服单一光学补偿或机械补偿变焦方式无法同时满足光学系统长焦距、大变倍比、光学系统小型化、光学系统宽温度范围(-40℃~70℃)温度补偿等问题,实现了兼具长焦距和大变倍比的轴向变倍四视场中波红外光学系统.设计结果表明该光学系统像质良好,满足热象仪整机使用要求.
[Abstract]:An infrared optical system with long focal length and large magnification ratio in four view field is designed. The optical system consists of anterior fixation group, variable focus group, intermediate compensation group, posterior fixation group, mirror 1, mirror 2 and relay group. The optical system can not satisfy the long focal length, large ratio of variation and miniaturization of optical system by using optical compensation superposition mechanical compensation method to overcome the single optical compensation or mechanical compensation zoom mode can not satisfy the long focal length of optical system at the same time. The temperature compensation of optical system in the wide temperature range (-40 鈩，
本文编号：2193270
[Abstract]:An infrared optical system with long focal length and large magnification ratio in four view field is designed. The optical system consists of anterior fixation group, variable focus group, intermediate compensation group, posterior fixation group, mirror 1, mirror 2 and relay group. The optical system can not satisfy the long focal length, large ratio of variation and miniaturization of optical system by using optical compensation superposition mechanical compensation method to overcome the single optical compensation or mechanical compensation zoom mode can not satisfy the long focal length of optical system at the same time. The temperature compensation of optical system in the wide temperature range (-40 鈩，
本文编号：2193270
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