Spectrally Tunable Star Simulator Light Source Based on Digital Micro-mirror Device

XU Da; ZHANG Guo-yu; SUN Gao-fei; ZHANG Yu; LEI Jie; MA Yi-yuan

doi:10.3788/fgxb20173810.1384

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Spectrally Tunable Star Simulator Light Source Based on Digital Micro-mirror Device

更新时间：2020-08-12

- Spectrally Tunable Star Simulator Light Source Based on Digital Micro-mirror Device
- Chinese Journal of Luminescence Vol. 38, Issue 10, Pages: 1384-1390(2017)
- 作者机构：
  
  1. 长春理工大学光电工程学院,吉林长春,130022
  2. 吉林省光电测控仪器工程技术研究中心, 吉林长春 130022
  3. 航天系统仿真重点实验室, 北京 100000
- 作者简介：
- 基金信息：
  
  Supported by Key Scientific and Technological Research Project of Jilin Province(20160204008GX);Science and Technology Innovation Fund of Changchun University of Science and Technology(XJJLG-2016-15);Fund of State Key Laboratory(61420020210162002)。
- DOI：10.3788/fgxb20173810.1384
  CLC： TH744;V524.3
- Received：30 May 2017，
  
  Revised：15 June 2017，
  
  Published：05 October 2017
- 稿件说明：
移动端阅览
徐达, 张国玉, 孙高飞等. 基于数字微镜的光谱可调星模拟器光源系统[J]. 发光学报, 2017,38(10): 1384-1390

XU Da, ZHANG Guo-yu, SUN Gao-fei etc. Spectrally Tunable Star Simulator Light Source Based on Digital Micro-mirror Device[J]. Chinese Journal of Luminescence, 2017,38(10): 1384-1390
徐达, 张国玉, 孙高飞等. 基于数字微镜的光谱可调星模拟器光源系统[J]. 发光学报, 2017,38(10): 1384-1390 DOI： 10.3788/fgxb20173810.1384.

XU Da, ZHANG Guo-yu, SUN Gao-fei etc. Spectrally Tunable Star Simulator Light Source Based on Digital Micro-mirror Device[J]. Chinese Journal of Luminescence, 2017,38(10): 1384-1390 DOI： 10.3788/fgxb20173810.1384.

摘要

为满足对星敏感器在各种谱线分布下对探测能力的高精度标定，提出了一种基于数字微镜的星模拟器光源系统设计方案，在一定程度上解决了由星模拟器与星敏感器观星的色温不匹配对星敏感器光信号定标精度产生的问题。从理论上分析了光谱不匹配影响定标精度的原理，设计了基于数字微镜器件的光谱可调的恒星光谱模拟系统。采用遗传算法作为光谱匹配，通过遗传算法求解不同的光谱构造函数实现对不同光谱的模拟。最后分别对5 nm分辨率和20 nm分辨率的光谱模拟系统在3900，4800，6500 K 3种色温下进行了测试。测试结果表明，该星模拟器的恒星光谱模拟精度在5 nm分辨率下优于2%，在20 nm分辨率下优于5%。

Abstract

In order to satisfy the high precision calibration of the detection capability of the star sensor under various spectral distribution

a design method of star simulator light source system based on digital micro-mirror device was proposed

and the issue of star sensor optical signal calibration precision caused by the mismatching between star simulator's color temperature and star sensor's detecting color temperature was partly solved. The principle of how color temperatures mismatching affected the calibration accuracy was analyzed

and a spectral tunable stellar spectrum simulation system based on digital micro-mirror device was designed. The genetic algorithm was used to perform spectral matching

and different spectral constructors were solved by the genetic algorithm to achieve the simulation of different spectra. Finally

the simulation system was simulated by three kinds of color temperature of 3900

4800 and 6500 K at the spectral resolution of 5 nm and 20 nm. The simulation results show that the accuracy of the star spectrum is better than 2% at the spectral resolution of 5 nm and better than 5% at the spectral resolution of 20 nm.

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references

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