Filter wheel mechanism for optical remote sensor in geostationary orbit

BAO He; LI Zhi-lai; CHAI Fang-mao; YANG Hui-sheng

doi:10.3788/OPE.20152312.3357

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Filter wheel mechanism for optical remote sensor in geostationary orbit

Micro Nano Technology and Fine Mechanics | 更新时间：2020-08-13

- Filter wheel mechanism for optical remote sensor in geostationary orbit
- Optics and Precision Engineering Vol. 23, Issue 12, Pages: 3357-3363(2015)
- 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：
- DOI：10.3788/OPE.20152312.3357
  CLC： TP732
- Revised：23 March 2015，
  
  Published：25 December 2015
- 稿件说明：
移动端阅览
鲍赫, 李志来, 柴方茂等. 静止轨道光学遥感器的滤光轮机构[J]. 光学精密工程, 2015,23(12): 3357-3363

BAO He, LI Zhi-lai, CHAI Fang-mao etc. Filter wheel mechanism for optical remote sensor in geostationary orbit[J]. Editorial Office of Optics and Precision Engineering, 2015,23(12): 3357-3363
鲍赫, 李志来, 柴方茂等. 静止轨道光学遥感器的滤光轮机构[J]. 光学精密工程, 2015,23(12): 3357-3363 DOI： 10.3788/OPE.20152312.3357.

BAO He, LI Zhi-lai, CHAI Fang-mao etc. Filter wheel mechanism for optical remote sensor in geostationary orbit[J]. Editorial Office of Optics and Precision Engineering, 2015,23(12): 3357-3363 DOI： 10.3788/OPE.20152312.3357.

摘要

为实现静止轨道空间光学遥感器的多谱段成像

研究了光学系统特定谱段的多光谱成像的方法。对两种滤光模式进行了对比

选择透射式滤光方案进行不同谱段光线的切换。结合本项目光学系统的特点

确定了在光学系统中光线集中度较高的焦平面附近设置滤光轮机构的方案。通过对多种转动机构特点的比较

设计了一种基于正五棱锥台基座的新型滤光轮机构

该机构由滤光轮组件和滤光轮驱动机构两部分组成。介绍了滤光轮机构的组成和工作原理

最后

在环境模拟试验前后对滤光轮机构进行了综合性能测试。测试结果表明:该机构具有结构强度高、结构紧凑、精度高、稳定可靠等特点。试验前后滤光片面形精度RMS值均优于λ/30

机构转动精度优于25"

机构自锁性能良好

满足复杂空间环境下光学遥感器多谱段成像的要求。

Abstract

To achieve the multispectral imaging of a space optical remote sensor in geostationary orbit

multispectral imaging methods of light filtering in the optical system were investigated. By comparing two kinds of filter modes

the transmissive filter program was selected to switch lights in different bands. Combining the characteristics of the optical system

a scheme was chosen to set a filter wheel mechanism in the vicinity of the focal plane where the degree of light concentration is higher. By comparing the characteristics of different rotating mechanisms

a new type of filter wheel mechanism consisting of a filter wheel assembly and a filter wheel driving mechanism was designed based on a regular five truncated pyramid. The composition and working principle of the mechanism were introduced. Then

the comprehensive performance on filter wheel mechanism was tested before and after the environmental simulation tests. The test results show that the Root Mean Square(RMS) value of filter surface accuracy before and after the tests is better than the average value of λ / 30

the body rotation accuracy is better than 25". Moreover

the mechanism has good self-locking performance and meets the requirements of optical remote sensing multispectral imaging under complex space environments.

关键词

Keywords

references

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