A precise method for adjusting the optical system of laser sub-aperture

Xing Song; Xue-min Zhang; Jianfeng Yang; Li Xue

doi:10.1117/12.2315315

20 February 2018 A precise method for adjusting the optical system of laser sub-aperture

Xing Song, Xue-min Zhang, Jianfeng Yang, Li Xue

Proceedings Volume 10697, Fourth Seminar on Novel Optoelectronic Detection Technology and Application; 106973G (2018) https://doi.org/10.1117/12.2315315
Event: Fourth Seminar on Novel Optoelectronic Detection Technology and Application, 2017, Nanjing, China

Abstract

In order to adapt to the requirement of modern astronomical observation and warfare, the resolution of the space telescope is needed to improve, sub-aperture stitching imaging technique is one method to improve the resolution, which could be used not only the foundation and space-based large optical systems, also used in laser transmission and microscopic imaging. A large aperture main mirror of sub-aperture stitching imaging system is composed of multiple sub-mirrors distributed according to certain laws. All sub-mirrors are off-axis mirror, so the alignment of sub-aperture stitching imaging system is more complicated than a single off-axis optical system. An alignment method based on auto-collimation imaging and interferometric imaging is introduced in this paper, by using this alignment method, a sub-aperture stitching imaging system which is composed of 12 sub-mirrors was assembled with high resolution, the beam coincidence precision is better than 0.01mm, and the system wave aberration is better than 0.05λ.

Citation Download Citation

Xing Song, Xue-min Zhang, Jianfeng Yang, and Li Xue "A precise method for adjusting the optical system of laser sub-aperture", Proc. SPIE 10697, Fourth Seminar on Novel Optoelectronic Detection Technology and Application, 106973G (20 February 2018); https://doi.org/10.1117/12.2315315

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