双向大视场消畸变低温红外目标模拟光学系统设计

赵文才; 马军

doi:10.3788/OPE.20122012.2619

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双向大视场消畸变低温红外目标模拟光学系统设计

现代应用光学 | 更新时间：2020-08-13

- 双向大视场消畸变低温红外目标模拟光学系统设计
- Design of cryogenic infrared target simulation system with bidirectional and wide field for eliminating distortion
- 光学精密工程 2012年20卷第12期页码：2619-2625
- 作者机构：
  
  中国科学院长春光学精密机械与物理研究所, 吉林长春 130033
- 作者简介：
- 基金信息：
  
  国家863高技术研究发展计划资助项目(No.863-2-5-1-13B)();吉林省科技发展计划资助项目(No.20100524)();科技部国际合作项目(No.201
- DOI：10.3788/OPE.20122012.2619
  中图分类号： TH703;TN216
- 收稿日期：2012-07-21，
  
  修回日期：2012-08-23，
  
  纸质出版日期：2012-12-10
- 稿件说明：
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赵文才, 马军. 双向大视场消畸变低温红外目标模拟光学系统设计[J]. 光学精密工程, 2012,20(12): 2619-2625

ZHAO Wen-cai, MA Jun. Design of cryogenic infrared target simulation system with bidirectional and wide field for eliminating distortion[J]. Editorial Office of Optics and Precision Engineering, 2012,20(12): 2619-2625
赵文才, 马军. 双向大视场消畸变低温红外目标模拟光学系统设计[J]. 光学精密工程, 2012,20(12): 2619-2625 DOI： 10.3788/OPE.20122012.2619.

ZHAO Wen-cai, MA Jun. Design of cryogenic infrared target simulation system with bidirectional and wide field for eliminating distortion[J]. Editorial Office of Optics and Precision Engineering, 2012,20(12): 2619-2625 DOI： 10.3788/OPE.20122012.2619.

摘要

为了选择合适的低温红外目标模拟光学系统

针对国内现有离轴三反射光学系统多存有弧矢视场较大

子午视场很小的问题

本文基于光学系统对称性法则

设计了子午和弧矢都为5

波长为3～5 m的矩形双向大视场离轴三反系统

其焦距为400 mm

#为8。利用光学系统结构参数和反射镜的非球面系数

调整三镜的偏心及倾斜来消除畸变及其它像差

系统光学传递函数在6.5 lp/mm时优于0.71

全视场均方根波像差达到/250

均方根最大弥散斑半径不超过7.0 m

达到衍射极限。另外

系统在各个谱段全视场范围内的最大畸变量小于0.04%。设计的系统可用于红外及可见波段

成像质量均良好。

Abstract

To overcome the shortcomings of off-axis Three Mirror Anastigmatic (TMA) optical systems in larger sagittally FOVs and smaller meridionally FOVs

this paper designs a bidirectional TMA optical system for cryogenic infrared target simulation system based on the symmetric rule of optical system. Both the sagittally and meridionally FOVs are 5

the larger FOV optical system at 3-5 m has a focal length of 400 mm and a

number of 8. By using the structural parameters of the optical system and the non-spherical coefficients of the mirrors to adjust and correct the eccentric and tilt of the three-mirror and to eliminate distortion and other aberrations

the system shows that the MTF is better than 0.71 at 6.5 lp/mm

the aberration of the whole FOV is /250(RMS) and the maximum radius of diffuse point is less than 7.0 m(RMS)

which achieves diffraction limit. Moreover

the maximum distortion in the whole FOV is less than 0.04%. Finally

it proves that the optical system has good imaging quality both in the visible and infrared spectral regions.

关键词

Keywords

references

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