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Optical system design for wide-angle airborne mapping camera with diffractive optical element
Zhang, Jian1,2; Zhao, Liangxiao2,3; An, Fei2; Hao, Sanfeng2,3
2019
Conference Name3rd International Conference on Photonics and Optical Engineering
Source PublicationThird International Conference on Photonics and Optical Engineering
Volume11052
Conference Date2018-12-05
Conference PlaceXi'an, China
PublisherSPIE
Contribution Rank1
AbstractWith the development of the digital airborne photogrammetry technology, the more performances of the optical system for airborne mapping camera are required, such as the longer focal and the wider field of view (FOV). At the same time, the secondary spectrum correction becomes more important and difficult for the optical system design. A high performance optical system of airborne mapping camera with 200mm focus and 2ω=60° FOV is designed in this paper. The range of work wavelength is from 430nm to 885nm. A two-layer HDOE with negative dispersive characteristic is used to eliminate the secondary spectrum in the process of optical system design. The diffraction efficiency of the designed two-layer HDOE is up to 90%. From the result of design, the MTFs in whole fields are over 0.5 at 90lp/mm, which shows that the system has a great image quality. Meantime, the thermal analysis is done at the temperature range between-20°C and 40°C. As a result, MTF curves of the system at-20°C ?40°C show that a great image quality is kept, which meets the design requirements. ? 2019 SPIE.
Department科佳公司
DOI10.1117/12.2520554
Indexed ByEI
ISBN9781510627796
Language英语
ISSN0277786X;1996758X
EI Accession Number20190806535032
Citation statistics
Document Type会议论文
Identifierhttp://ir.opt.ac.cn/handle/181661/31274
Collection科佳公司
Corresponding AuthorZhao, Liangxiao
Affiliation1.School of Mechano-Electronic Engineering, Xidian University, Xi'an; 710119, China;
2.Xi'An Institute of Optics and Precision Mechanics of CAS, Xi'an; 710119, China;
3.University of Chinese Academy of Science, Beijing; 10010, China
Recommended Citation
GB/T 7714
Zhang, Jian,Zhao, Liangxiao,An, Fei,et al. Optical system design for wide-angle airborne mapping camera with diffractive optical element[C]:SPIE,2019.
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