Extremely wide-angle lens with transmissive and catadioptric integration

Wang Xiaoheng; Zhong Xing; Zhu Ruifei; Gao Fang; Li Zhuqiang

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Extremely wide-angle lens with transmissive and catadioptric integration

机译：具有透射和递送的极端广角镜头

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Wide-angle lenses can be generally classified into two structures: a transmitted fish-eye structure and a catadioptric structure with a panoramic annular lens (PAL). Compared with the former, the latter exhibits better imaging capability for a super-large field of view. However, the PAL causes this type of optical system to lose its imaging ability in a small field of view in front of the lens. In this study, a novel extremely wide-angle lens is designed by combining the fish-eye and catadioptric structures. The designed lens integrates the transmissive and catadioptric structures and can simultaneously observe two fields of view. The two fields of view of the lens complement each other and completely eliminate the central observation blind area of ordinary catadioptric wide-angle lens. The forward field of view of the lens is 360 degrees x (0 degrees-56 degrees), and the annular field of view is 360 degrees x (55 degrees-115 degrees). The total field of view of the optical system reaches 230 degrees when only spherical lenses are used for all the optical elements. The optical model shows that the imaging quality of the extremely wide-angle lens is good, which proves the advantages of the new optical system in a large field of view. (c) 2019 Optical Society of America

机译：广角镜头通常可以分为两种结构：透射的鱼眼结构和具有全景环形透镜（PAL）的偶像结构。与前者相比，后者对超大视野表现出更好的成像能力。然而，PAL导致这种类型的光学系统在镜头前面的小视野中失去其成像能力。在这项研究中，通过组合鱼眼和分发结构来设计一种新颖的非常广角镜头。设计的镜头集成了透射和递送的结构，并同时观察两个视野。镜片的两个视野相互补充，并完全消除普通抗辐射广角镜头的中央观察盲面积。镜头的前向视野是360度x（0度-56度），环形视场是360度x（55度-115度）。当仅用于所有光学元件时，光学系统的总视场达到230度。光学模型表明，极广角镜头的成像质量好，这证明了新光学系统在大视野中的优势。（c）2019年光学学会

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来源
《Applied optics》 |2019年第16期|共9页
作者
Wang Xiaoheng; Zhong Xing; Zhu Ruifei; Gao Fang; Li Zhuqiang;
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作者单位

Chinese Acad Sci Changchun Inst Opt Fine Mech &

Phys Changchun 130033 Jilin Peoples R China;

Chinese Acad Sci Changchun Inst Opt Fine Mech &

Phys Changchun 130033 Jilin Peoples R China;

Chang Guang Satellite Technol CO LTD Key Lab Satellite Remote Sensing Applicat Changchun 130012 Jilin Peoples R China;

Chang Guang Satellite Technol CO LTD Key Lab Satellite Remote Sensing Applicat Changchun 130012 Jilin Peoples R China;

Chang Guang Satellite Technol CO LTD Key Lab Satellite Remote Sensing Applicat Changchun 130012 Jilin Peoples R China;

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Extremely wide-angle lens with transmissive and catadioptric integration

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