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Optical–digital joint design of refractive telescope using chromatic priors

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Abstract

The conventional optical system design employs combinations of different lenses to combat aberrations, which usually leads to considerable volume and weight. In this Letter, a tailored design scheme that exploits state-of-the-art digital aberration correction algorithms in addition to traditional optics design is investigated. In particular, the proposed method is applied to the design of refractive telescopes by shifting the burden of correcting chromatic aberrations to software. By enforcing cross-channel information transfer in a post-processing step, the uncorrected chromatic aberrations are well-mitigated. Accordingly, a telescope of F-8, 1400?mm focal length, and 0.14° field of view is designed with only two lens elements. The image quality of the designed telescope is evaluated by comparing it to the equivalent designs with multiple lenses in a traditional optical design manner, which validates the effectiveness of our design scheme.

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DOI:10.3788/COL201917.052201

所属栏目:Optical Design and Fabrication

基金项目:This work was supported by the Joint Foundation Program of the Chinese Academy of Sciences for Equipment Pre-Feasibility Study (No.?6141A01011601), the National Natural Science Foundation of China (Nos.?61775219 and 61640422), and the Equipment Research Program of the Chinese Academy of Sciences (No.?Y70X25A1HY).

收稿日期:2018-10-15

录用日期:2019-01-30

网络出版日期:2019-05-14

作者单位    点击查看

Jingang Zhang:Key Laboratory of Computational Optics Imaging Technology, Chinese Academy of Sciences, Beijing 100094, ChinaUniversity of Chinese Academy of Sciences, Beijing 100049, Beijing
Yunfeng Nie:Brussel Photonics, Department of Applied Physics and Photonics, Vrije Universiteit Brussel, 1050 Ixelles, Belgium
Qiang Fu:King Abdullah University of Science and Technology, Thuwal 23955-6900, Saudi Arabia
Yifan Peng:The University of British Columbia, Vancouver V6T 1Z4, Canada

联系人作者:Yunfeng Nie, (ynie@b-phot.org, )

备注:This work was supported by the Joint Foundation Program of the Chinese Academy of Sciences for Equipment Pre-Feasibility Study (No.?6141A01011601), the National Natural Science Foundation of China (Nos.?61775219 and 61640422), and the Equipment Research Program of the Chinese Academy of Sciences (No.?Y70X25A1HY).

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引用该论文

Jingang Zhang,  Yunfeng Nie,  Qiang Fu,  Yifan Peng, "Optical–digital joint design of refractive telescope using chromatic priors," Chinese Optics Letters 17(5), 052201 (2019)

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