色温星模拟器用抛物面离轴反射光学系统设计

doi:10.3969/j.issn.1000-1093.2021.03.013

兵工学报 ›› 2021, Vol. 42 ›› Issue (3): 572-580.doi: 10.3969/j.issn.1000-1093.2021.03.013

色温星模拟器用抛物面离轴反射光学系统设计

刘欢¹，王春艳¹，王志强¹，孙昊¹，赵义武²

(1.长春理工大学光电工程学院，吉林长春 130022； 2.长春理工大学空间光电技术研究所，吉林长春 130022)

上线日期:2021-04-26
通讯作者: 王春艳（1971—），女，教授，博士生导师 E-mail:245044961@qq.com
作者简介:刘欢（1992—），男，博士研究生。 E-mail: 616372861@qq.com
基金资助:
长春理工大学青年科学基金项目（XQNJJ-2018-08）；吉林省科技发展计划重点研发项目（20200401048GX）

Design of Off-axis Paraboloid Reflection Optical System of Color Temperature Star Simulator

LIU Huan¹， WANG Chunyan¹， WANG Zhiqiang¹， SUN Hao¹， ZHAO Yiwu²

(1.School of Opto-electronic Engineering, Changchun University of Science and Technology, Changchun 130022, Jilin, China;2.Institute of Space Optoelectronic Technology, Changchun University of Science and Technology, Changchun 130022, Jilin, China)

Online:2021-04-26

摘要/Abstract

摘要： 为了在室内测试星敏感器对无穷远星光的跟踪能力，设计一款运用宽光谱色温光源通过平行光管来提供无穷远星光色温模拟的光学系统。该系统采用孔径离轴方式规避同轴系统存在的遮光比现象，主镜引用抛物面使得系统像质更加良好，同时结合楔形状半反半透型次镜解决了透射接收端的宽光谱消像散问题。设计指标要求为：工作波段400~900 nm，入瞳直径300 mm，焦距3 150 mm，全视场角0.05°. 实际测试结果表明：在次镜不引入非球面情况下，光学系统可实现反射端及透射端的传递函数均接近衍射极限；各视场的波像差均方根值均优于λ/30（λ为系统主波长），出射光平行度优于1″的指标要求。

关键词: 星模拟器, 光学系统设计, 离轴反射, 抛物面

Abstract: In order to test the tracking ability of star sensor to a starlight at infinity in the laboratory, an optical system is designed to simulate the starlight color temperature at infinity by using a broad spectrum color temperature source through a collimator. In this system, the aperture off-axis method is adopted to avoid the phenomenon of shading ratio of the coaxial system, the paraboloid of the primary mirror makes the image quality of the system better, and the wide spectrum anastigmatism problem of the transmission receiver is solved by combining with the wedge-shaped semi-inverse semi-permeable secondary mirror. The design index requirements are that the working band is 400-900 nm, the entrance pupil diameter is 300 mm, the focal length is 3 150 mm, and the field-of-view angle is 0.05°. The actual test results show that, in the case of the secondary mirror without aspheric surface, the optical system can achieve the index requirements,i.e., the modulation transfer functions of both the reflection end and the transmission end are close to the diffraction limit, the RMS value of wave aberration of each field of view is better than λ /30, and the parallelism of the emitted light is better than 1″.

Key words: starsimulator, opticalsystemdesign, off-axisreflector, paraboloid

中图分类号:

TH741.4

刘欢，王春艳，王志强，孙昊，赵义武. 色温星模拟器用抛物面离轴反射光学系统设计[J]. 兵工学报, 2021, 42(3): 572-580.

LIU Huan， WANG Chunyan， WANG Zhiqiang， SUN Hao， ZHAO Yiwu. Design of Off-axis Paraboloid Reflection Optical System of Color Temperature Star Simulator[J]. Acta Armamentarii, 2021, 42(3): 572-580.

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色温星模拟器用抛物面离轴反射光学系统设计

Design of Off-axis Paraboloid Reflection Optical System of Color Temperature Star Simulator

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