Design of optical system for space camera with long focal length, wide coverage and high resolution

CHANG Jun; WENG Zhi-cheng; JIANG Hui-lin; CONG Xiao-jie

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Design of optical system for space camera with long focal length, wide coverage and high resolution

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- Design of optical system for space camera with long focal length, wide coverage and high resolution
- Optics and Precision Engineering Vol. 11, Issue 1, Pages: 55-58(2003)
- 作者机构：
  
  1. 长春理工大学,吉林长春,130022
  2. 中国科学院长春光学精密机械与物理研究所, 应用光学国家重点实验室,吉林长春,130022
- 作者简介：
- 基金信息：
- DOI：
  CLC： TH703
- Received：04 May 2002，
  
  Revised：30 October 2002，
  
  Published Online：15 February 2003，
  
  Published：15 February 2003
- 稿件说明：
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常军, 翁志成, 姜会林, 丛小杰. 宽覆盖、离轴空间相机光学系统的设计[J]. 光学精密工程, 2003,(1): 55-58

CHANG Jun, WENG Zhi-cheng, JIANG Hui-lin, CONG Xiao-jie . Design of optical system for space camera with long focal length, wide coverage and high resolution[J]. Editorial Office of Optics and Precision Engineering, 2003,(1): 55-58
常军, 翁志成, 姜会林, 丛小杰. 宽覆盖、离轴空间相机光学系统的设计[J]. 光学精密工程, 2003,(1): 55-58 DOI：

CHANG Jun, WENG Zhi-cheng, JIANG Hui-lin, CONG Xiao-jie . Design of optical system for space camera with long focal length, wide coverage and high resolution[J]. Editorial Office of Optics and Precision Engineering, 2003,(1): 55-58 DOI：

摘要

当前空间相机的光学系统的要求是 :在多光谱范围内

系统要有高分辨率、大视场、小体积、质量轻且像面为平像场

TMA(Threemirroranastigmat)可以满足上述要求。为此给出了这方面的设计

所研究的TMA系统三个反射面都是二次曲面

将主镜和第三镜离轴放置

避免中心遮拦的影响

系统的视场可达到 5°× 0.2°

焦距为 6m

像质接近衍射极限。

Abstract

The current requirements for the optical system of a space camera are high resol ution

long focal length

wide field of view small volume and light weight.And all the surfaces in the system designed to satisfy these requirements are of uncoaxis

so that the effect of central obstruction can be avoided

and the syst em has a focal length of 6 m and a field of view of 5白0.2?. The evaluation t est showed that the image quality is near diffraction limit.

关键词

Keywords

references

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沈为民,薛鸣球,余建军.长波红外广角地平仪镜头的光学设计[J].光学精密工程,2002,10(4):329-332.SHEN W M, XUE M Q, YU J J.Optical design of a wide-angle lens for long-wave infrared earth sensors[J].Optics and Precision Engineering,2002,10(4):329-332.(in Chinese)

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