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Design of a compact off-axis two-mirror freeform infrared imager with a wide field of view
Ye, Jingfei1,2; Yu, Jun3; Song, Zhenzhen1; Pei, Shixin1; Yuan, Qun2; Gao, Zhishan2; He, Yu4
Corresponding AuthorYe, Jingfei(yjfei1988@gmail.com)
2019-02-06
Source PublicationJOURNAL OF MODERN OPTICS
ISSN0950-0340
Volume66Issue:3Pages:304-311
AbstractWith the development of modern precision optical fabrication and measurement technologies, optical freeform surfaces have been widely employed in different applications, especially in off-axis reflective optical systems. For an infrared optical system operating in the long-wavelength spectrum, compactness, brightness, and a wide field of view are key requirements for military surveillance or scene sensing. In this paper, we present an off-axis two-mirror freeform infrared imager with compactness and brightness. It has a large pupil of size 12 mm and a fast focal ratio of 2.2 over a wide 23 degrees diagonal field of view, as well as good image quality. XY-polynomial freeform surfaces are applied to the viewing mirror and focusing mirror. The multiple degrees of freedom of optical freeform surfaces are very helpful for off-axis aberration correction and improving the optical performance over the entire pupil across the full field of view. The overall dimension of our designed freeform infrared imager is about 30 mm by 30 mm by 30 mm, which is elegantly miniaturized. The final designed results of a reflective freeform infrared imager are demonstrated and discussed in detail.
KeywordOptical design reflective infrared imager optical freeform surface wide field of view
DOI10.1080/09500340.2018.1520934
Indexed BySCI
WOS KeywordDISPLAY ; OPTICS
Language英语
WOS Research AreaOptics
WOS SubjectOptics
WOS IDWOS:000452041900009
PublisherTAYLOR & FRANCIS LTD
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/24726
Collection中国科学院水利部成都山地灾害与环境研究所
Corresponding AuthorYe, Jingfei
Affiliation1.Nanjing Univ Informat Sci & Technol, Sch Phys & Optoelect Engn, Nanjing, Jiangsu, Peoples R China
2.Nanjing Univ Sci & Technol, Sch Elect & Opt Engn, Nanjing, Jiangsu, Peoples R China
3.Tongji Univ, Sch Phys Sci & Engn, Shanghai, Peoples R China
4.Chinese Acad Sci, Inst Opt & Elect, State Key Lab Opt Technol Microfabricat, Chengdu, Sichuan, Peoples R China
Recommended Citation
GB/T 7714
Ye, Jingfei,Yu, Jun,Song, Zhenzhen,et al. Design of a compact off-axis two-mirror freeform infrared imager with a wide field of view[J]. JOURNAL OF MODERN OPTICS,2019,66(3):304-311.
APA Ye, Jingfei.,Yu, Jun.,Song, Zhenzhen.,Pei, Shixin.,Yuan, Qun.,...&He, Yu.(2019).Design of a compact off-axis two-mirror freeform infrared imager with a wide field of view.JOURNAL OF MODERN OPTICS,66(3),304-311.
MLA Ye, Jingfei,et al."Design of a compact off-axis two-mirror freeform infrared imager with a wide field of view".JOURNAL OF MODERN OPTICS 66.3(2019):304-311.
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