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Design of compact high zoom ratio infrared optical system
Alternative Title紧凑型大变倍比红外光学系统设计
Qu, Rui1; Mei, Chao1; Yang, Hongtao1; Cao, Jianzhong1; Zhao, Yan2
Department光电测量技术实验室
2017-11-25
Source PublicationHongwai yu Jiguang Gongcheng/Infrared and Laser Engineering
ISSN10072276
Volume46Issue:11
Contribution Rank1
AbstractIn order to solve the problems in high zoom ratio lens design, a two-stage-of-series zoom lens model was proposed based on optics zoom theory. Therefore, differential zoom equations were deduced and solved to help the lens power assignments, also the cam curve optimization condition and method were proved. In this model, first stage zoom was achieved by the two-part-zoom front part, and the given movement pattern of the compensation lens and the second magnified lens determined the second stage zoom, by which the 100% cooled stop efficiency was assured. Based on this method, a 70x MWIR zoom lens under the requirements of F/4, focal length 6.5-455 mm, HFOV 0.92°-58.2°, work waveband 3.7-4.8 μm was designed, which only used two kinds of infrared materials, consisted of 10 lenses, total length 300 mm, had good image quality and tolerance character. © 2017, Editorial Board of Journal of Infrared and Laser Engineering. All right reserved.

DOI10.3788/IRLA201746.1104002
Indexed ByEI ; CSCD
Language中文
Citation statistics
Document Type期刊论文
Identifierhttp://ir.opt.ac.cn/handle/181661/30838
Collection光电测量技术实验室
Affiliation1.Xi'an Institute of Optical and Precision Mechanics, Chinese Academy of Sciences, Xi'an; 710119, China;
2.Luoyang Electro-optical Equipment Research Institute of Aviation Industry Corporation of China, Luoyang; 471009, China
Recommended Citation
GB/T 7714
Qu, Rui,Mei, Chao,Yang, Hongtao,et al. Design of compact high zoom ratio infrared optical system[J]. Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering,2017,46(11).
APA Qu, Rui,Mei, Chao,Yang, Hongtao,Cao, Jianzhong,&Zhao, Yan.(2017).Design of compact high zoom ratio infrared optical system.Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering,46(11).
MLA Qu, Rui,et al."Design of compact high zoom ratio infrared optical system".Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering 46.11(2017).
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