Design of airtight optical window and protector for aerial camera

TAN Songnian; YAO Yuan; XU Yulei; XU Yongsen; LI Hao

doi:10.37188/OPE.20223020.2436

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Design of airtight optical window and protector for aerial camera

Modern Applied Optics | 更新时间：2026-09-12

- Design of airtight optical window and protector for aerial camera
- Optics and Precision Engineering Vol. 30, Issue 20, Pages: 2436-2445(2022)
- 作者机构：
  
  1.中国科学院长春光学精密机械与物理研究所，吉林长春 130033
  2.中国科学院大学，北京 100049
  3.中国科学院航空光学成像与测量重点实验室，吉林长春 130033
- 作者简介：
- 基金信息：
- DOI：10.37188/OPE.20223020.2436
  CLC： V447+.1
- Received：10 January 2022，
  
  Revised：2022-03-02，
  
  Published：25 October 2022
- 稿件说明：
移动端阅览
谭淞年,姚园,徐钰蕾等.航空相机气密光学窗口及其保护罩的设计[J].光学精密工程,2022,30(20):2436-2445.

TAN Songnian,YAO Yuan,XU Yulei,et al.Design of airtight optical window and protector for aerial camera[J].Optics and Precision Engineering,2022,30(20):2436-2445.
谭淞年,姚园,徐钰蕾等.航空相机气密光学窗口及其保护罩的设计[J].光学精密工程,2022,30(20):2436-2445. DOI： 10.37188/OPE.20223020.2436.

TAN Songnian,YAO Yuan,XU Yulei,et al.Design of airtight optical window and protector for aerial camera[J].Optics and Precision Engineering,2022,30(20):2436-2445. DOI： 10.37188/OPE.20223020.2436.

摘要

为了保证航空相机的成像效果，设计了气密光学窗口及其保护罩。本文对光学窗口的设计流程进行了分析，讨论了光学窗口设计的考虑因素，例如光学材料、光学厚度、压力和气密安装方案等。为了实现在非工作状态下对光学窗口的保护，设计了双层舱门结构形式的光窗保护罩，实现了系统的小型化。通过仿真分析和试验，测试了气密光学窗口和光窗保护罩的稳定性，系统能够在2个大气压和高低温环境下正常工作，性能良好。光学窗口保护罩整个厚度仅为37 mm，能够实现快速开启与关闭，单程时间为7.7 s。相关分析方法解决了光学窗口设计问题的盲目性，使光学窗口的设计更加合理可靠。本文提出的方案为航空相机光学窗口的设计和保护提供了参考和技术支持。

Abstract

To ensure the imaging effectiveness of an aerial camera， an airtight optical window and a protector are designed in this study. The design process for the optical window is analyzed. Considerations， such as optical materials， optical thickness， pressure， and air-tight installation options， for the design of optical windows are discussed. To ensure that the optical window remains protected in the non-working state， a light window protector with a double hatch structure is designed to miniaturize the system. The stability of the airtight optical window and light window protector is tested by conducting simulation analysis and experiments. The system can work appropriately and exhibit good performance under an atmospheric pressure of 2 and in high- and low-temperature environments. The overall thickness of the optical window protector is 37 mm. The one-way time is 7.7 s， indicating a small opening or closing interval. The related analysis method ensures that the optical window design process is guided and makes the optical window design process more effective and reliable. The scheme proposed in this study provides a reference and technical support for the design and protection of aerial camera optical windows.

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Keywords

references

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