Optical design of the off-axis reflective system with wide fov

doi:10.37188/OPE.20233114.2019

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	Optical design of the off-axis reflective system with wide fov
	Y. Yu, L. Wang, S. Zhao, J. Zhang and X. Zhang
	2023
发表期刊	Guangxue Jingmi Gongcheng/Optics and Precision Engineering
ISSN	1004924X
卷号	31 期号:14 页码:2019-2030
摘要	Generally，the observation ranges and detection efficiencies of optical remote sensors can be enhanced using wide-field optical imaging systems. Accordingly，the design and manufacturing of freeform-surface-based optical systems have achieved significant progress recently，making the construction of wide-field，rapid，higher-quality-resolution and -imaging，and obstacle-free off-axis reflection systems feasible. The first part of this paper presents a detailed analysis of the aberration characteristics of an off-axis reflection system. This asymmetric higher level aberration increases dramatically as the field of view（FOV），specifically the meridional FOV，of the system increases. These characteristics place a prominent requirement on image field continuity. The second part of this paper presents a new design approach for two-dimensional（2-D）large FOV optical systems with long focal lengths. First，we built multiple structural forms based on conventional optical systems，leading to a discretized meridional field angle，and with certain specific surfaces of the optical system decomposed into two sub-surfaces. Following this，system optimization was achieved by constraining the system size and improving its structural form. Finally，we designed the off-axis reflective freeform surface optical system. The imaging quality was good within the entire FOV，realizing 2-D large-field imaging of 40°×16°，a focal length of 1 m，and an F-number of 10. The test results prove that the proposed design is good，yielding an optical modulation transfer function of better than 0. 26，particularly in the visible spectrum of 400-750 nm with a characteristic frequency of 50 lp/mm. © 2023 Chinese Academy of Sciences. All rights reserved.
DOI	10.37188/OPE.20233114.2019
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文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/68128
专题	中国科学院长春光学精密机械与物理研究所
推荐引用方式 GB/T 7714	Y. Yu, L. Wang, S. Zhao, J. Zhang and X. Zhang. Optical design of the off-axis reflective system with wide fov[J]. Guangxue Jingmi Gongcheng/Optics and Precision Engineering,2023,31(14):2019-2030.
APA	Y. Yu, L. Wang, S. Zhao, J. Zhang and X. Zhang.(2023).Optical design of the off-axis reflective system with wide fov.Guangxue Jingmi Gongcheng/Optics and Precision Engineering,31(14),2019-2030.
MLA	Y. Yu, L. Wang, S. Zhao, J. Zhang and X. Zhang."Optical design of the off-axis reflective system with wide fov".Guangxue Jingmi Gongcheng/Optics and Precision Engineering 31.14(2023):2019-2030.

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