Refractive-diffractive optical imaging system for satellite-borne surveillance of space targets

LIU Shuai; LIU Chun-yu; WANG Tian-cong

doi:10.3788/OPE.20172514.0024

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Refractive-diffractive optical imaging system for satellite-borne surveillance of space targets

更新时间：2020-08-13

- Refractive-diffractive optical imaging system for satellite-borne surveillance of space targets
- Optics and Precision Engineering Vol. 25, Issue 12z, Pages: 24-31(2017)
- 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,中国,130033
- 作者简介：
- 基金信息：
- DOI：10.3788/OPE.20172514.0024
  CLC： O436.1
- Received：28 May 2017，
  
  Revised：11 June 2017，
  
  Published：31 December 2017
- 稿件说明：
移动端阅览
刘帅, 刘春雨, 王天聪. 星载空间目标监视折衍射光学成像系统设计[J]. 光学精密工程, 2017,25(12z): 24-31

LIU Shuai, LIU Chun-yu, WANG Tian-cong. Refractive-diffractive optical imaging system for satellite-borne surveillance of space targets[J]. Editorial Office of Optics and Precision Engineering, 2017,25(12z): 24-31
刘帅, 刘春雨, 王天聪. 星载空间目标监视折衍射光学成像系统设计[J]. 光学精密工程, 2017,25(12z): 24-31 DOI： 10.3788/OPE.20172514.0024.

LIU Shuai, LIU Chun-yu, WANG Tian-cong. Refractive-diffractive optical imaging system for satellite-borne surveillance of space targets[J]. Editorial Office of Optics and Precision Engineering, 2017,25(12z): 24-31 DOI： 10.3788/OPE.20172514.0024.

摘要

为了监视空间目标和空间碎片，设计了折衍射透镜混合的大视场、大相对孔径的光学成像系统，对该系统的设计指标、工作原理、基于折衍射透镜混合的消色差以及消热差设计方法进行研究。首先，介绍了空间目标监视系统构成及工作原理，根据使用需求确立了光学系统的设计指标。接着，利用折衍射混合透镜进行光学系统的优化设计，包括焦距缩放、调整口径和视场、像差校正等。然后，在分析系统能量集中度分布、像点弥散斑半径、光学传递函数曲线以及色差、畸变等像质评价方法的基础上，不断优化光学系统性能。最后，分析在不同温度下系统的光学传递函数。设计结果表明：光学系统总长63.4 mm，视场为25°×25°，焦距为32.33 mm，相对孔径为1/1.6，折衍射混合透镜的使用，使得系统垂轴色差为-0.828

m，在-50，20，70℃温度下，各视场对应光学传递函数均大于0.6。该折衍射混合光学成像系统实现了消色差和消热差，具有良好的成像性能。

Abstract

In order to monitor space targets and space debris

a refractive-diffractive optical imaging system with wide field of view and large relative aperture was designed. Parameters and working principle of the system

as well as the way of achromatic and athermal design based on the refractive-diffractive lens was studied. Firstly

the structure and principle of the space target surveillance system were introduced

and the design parameters of the optical system were established according to the requirements. Then

the optical system was optimized via refractive-diffractive lens

including focal zoom

adjustment of aperture and field

aberration correction and etc. The performance of the system was further optimized by the analysis of system encircled energy

RMS radius of spot diagram

MTF

color and distortion aberration. Finally

the values of MTF at different temperatures were analyzed. The results indicate that the system exhibits a total length of 63.4 mm

field of view of 25°×25°

focal length of 32.33 mm and clear aperture of 20.2 mm. With the refractive-diffractive lens

the lateral color is -0.828

m. The MTF values of all field are above 0.6 at the temperature of -50

70℃. The refractive-diffractive optical imaging system can achieved achromatism and athermalization

thus its imaging performance is stable and fine.

关键词

Keywords

references

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