Research on spatial positioning technology of large size  anomalous off-axis optical element

Wang Peng; Yang Fan; Ji Bin-dong; Ren Wang-tao; Song Xing

doi:10.1117/12.3009049

29 December 2023 Research on spatial positioning technology of large size anomalous off-axis optical element

Wang Peng, Yang Fan, Ji Bin-dong, Ren Wang-tao, Song Xing

Proceedings Volume 12976, Eighth Asia Pacific Conference on Optics Manufacture and Third International Forum of Young Scientists on Advanced Optical Manufacturing (APCOM and YSAOM 2023); 1297614 (2023) https://doi.org/10.1117/12.3009049
Event: 8th Asia Pacific Conference on Optics Manufacture & 3rd International Forum of Young Scientists on Advanced Optical Manufacturing, 2023, Shenzhen, China

Abstract

In this paper, the spatial positioning technology of off-axis optical elements is studied for the installation and positioning requirements of the off-axis mirror and the anomalous off-axis ellipsoid mirror in an optical system. In this paper, the assembly coordinate system is established according to the global coordinate system of space optical system. The key optical parameters of the optical system are accurately measured and controlled by the theodolite, laser tracker, interferometer and other instruments, so as to realize the precise positioning of the special-shaped off-axis optical element. Secondly, the optical characteristics of the system are analyzed by computer aided setting technology, and the optical misalignment is calculated according to the system wave aberration detection results. Thirdly, the attitude of optical element is adjusted precisely according to the amount of optical misalignment. After many iterations calculation and precision adjustment, the optical index requirements are finally achieved. The spatial positioning method of large size anomalous off-axis optical elements proposed in this paper provides an effective method for the spatial positioning and system assembly of anomalous off-axis optical elements in large aperture optical systems.

(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Wang Peng, Yang Fan, Ji Bin-dong, Ren Wang-tao, and Song Xing "Research on spatial positioning technology of large size anomalous off-axis optical element", Proc. SPIE 12976, Eighth Asia Pacific Conference on Optics Manufacture and Third International Forum of Young Scientists on Advanced Optical Manufacturing (APCOM and YSAOM 2023), 1297614 (29 December 2023); https://doi.org/10.1117/12.3009049

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KEYWORDS

Mirrors

Interferometers

Optical components

Off axis mirrors

Computing systems

Laser soldering

Visualization

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