Analysis of space attitude measurement methods and optical design of refractive self-collimator in orbital environment

Yuhang Xing; Hong Li; Xiwen Cui; Wei Zhuang; Lianqing Zhu

doi:10.1117/12.3032385

13 September 2024 Analysis of space attitude measurement methods and optical design of refractive self-collimator in orbital environment

Yuhang Xing, Hong Li, Xiwen Cui, Wei Zhuang, Lianqing Zhu

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Proceedings Volume 13178, Eleventh International Symposium on Precision Mechanical Measurements; 1317803 (2024) https://doi.org/10.1117/12.3032385
Event: Eleventh International Symposium on Precision Mechanical Measurements, 2023, Guangzhou, China

Abstract

To monitor the space attitude of the spacecraft key load under on-orbit conditions and obtain three-dimensional angular deflection data, a folding-reflecting self-collimator was designed based on the Cassegrain optical system, and the evaluation indexes and imaging quality of the optical system were systematically analyzed, with the MTF of 100 lp/mm being better than 0.4, aberration being less than 0.0368%, and diffraction-limited dispersion spot diameter within 8.6 um, which meets the requirements for monitoring on-orbit. The principle of using multiple devices to combine to measure the three-dimensional angular deflection of the target load is analyzed, and the correspondence between the spot change and the target deflection angle is deduced. It shows that this method has a good development prospect in the field of space attitude measurement.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Yuhang Xing, Hong Li, Xiwen Cui, Wei Zhuang, and Lianqing Zhu "Analysis of space attitude measurement methods and optical design of refractive self-collimator in orbital environment", Proc. SPIE 13178, Eleventh International Symposium on Precision Mechanical Measurements, 1317803 (13 September 2024); https://doi.org/10.1117/12.3032385

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KEYWORDS

Mirrors

Reflection

Autocollimators

Optical sensing

Imaging systems

Objectives

Modulation transfer functions

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