Optical system design for coaxial camera with large compression and large relative aperture

doi:10.3788/OPE.20202808.1651

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	Optical system design for coaxial camera with large compression and large relative aperture
	B. Lu,W.-Q. Liu and D.-Y. Dong
	2020
发表期刊	Guangxue Jingmi Gongcheng/Optics and Precision Engineering
ISSN	1004924X
卷号	28 期号:8 页码:1651-1660
摘要	Based on the imaging three-mirror aberration theory as the design basis, using a small field angle offset setting and a one-dimensional inclined plane mirror to fold the optical path in front of the main mirror, a coaxial large relative aperture imaging optical system with a high compression ratio was optimized. The focal length of the camera is 2.5 m, the image F is 6.3, the imaging field of view angle is 0.60.3, and the optical transmission function in the visible-near infrared band of 400-900 nm is greater than 0.41 at the spatial frequency of 91 lp/mm. It is better than 0.6 at 20 lp/mm, the imaging quality is close to the diffraction limit, and the imaging consistency is high over the full field of view. The length of the optical system has a high compression ratio greater than 1/5.6 times the system focal length and 1.1 times the diameter of the main mirror. The three mirrors are all conic without high-order aspheric coefficients and non-off-axis spatial layout. The tolerance analysis shows thatthe optical system is easy to realize by engineering and has a wide application prospect in the field of compact commercial imaging altimetry optical cameras with multi-star networking. 2020, Science Press. All right reserved.
DOI	10.3788/OPE.20202808.1651
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收录类别	EI
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文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/64755
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	B. Lu,W.-Q. Liu and D.-Y. Dong. Optical system design for coaxial camera with large compression and large relative aperture[J]. Guangxue Jingmi Gongcheng/Optics and Precision Engineering,2020,28(8):1651-1660.
APA	B. Lu,W.-Q. Liu and D.-Y. Dong.(2020).Optical system design for coaxial camera with large compression and large relative aperture.Guangxue Jingmi Gongcheng/Optics and Precision Engineering,28(8),1651-1660.
MLA	B. Lu,W.-Q. Liu and D.-Y. Dong."Optical system design for coaxial camera with large compression and large relative aperture".Guangxue Jingmi Gongcheng/Optics and Precision Engineering 28.8(2020):1651-1660.

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