Off-axis three-mirror freeform optical system with large linear field of view

	Off-axis three-mirror freeform optical system with large linear field of view
	Meng, Q.; H. Wang; Y. Wang; Z. Ji and D. Wang
	2016
发表期刊	Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering
卷号	45 期号:10
摘要	A minitype optical system used in stereo camera was designed based on civilian low cost stereo imaging requirement, the optical system aimed to achieve 50 m ground sampling distance at 250 km orbit altitude. This optical system can both achieve stereo imaging function and large format array imaging function combined with a CMOS. The system has a focal length of 32 mm, a field of view of 66, an F-number of 6.8 and a working wavelength range of 450-750 nm. The optical system consists of two parts of optical configurations-retrofocus lens and apochromatic microscope. The system design value of MTF achieves 0.49@78 lp/mm, distortion value less than 0.1%, the relative illumination of marginal field of view achieves 0.83, principal ray incoming angle in image plane of marginal field less than 15. The testing result after optical mounting centering alignment shows that the MTF of each field of view all achieve 0.4@80 lp/mm, which meets the static MTF requirement in laboratory. This optical system has better performances in imaging width and distortion value compared with other international famous stereo cameras. 2016, Editorial Board of Journal of Infrared and Laser Engineering. All right reserved.
文章类型	期刊
收录类别	EI
语种	中文
文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/57145
专题	中科院长春光机所知识产出
推荐引用方式 GB/T 7714	Meng, Q.,H. Wang,Y. Wang,et al. Off-axis three-mirror freeform optical system with large linear field of view[J]. Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering,2016,45(10).
APA	Meng, Q.,H. Wang,Y. Wang,&Z. Ji and D. Wang.(2016).Off-axis three-mirror freeform optical system with large linear field of view.Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering,45(10).
MLA	Meng, Q.,et al."Off-axis three-mirror freeform optical system with large linear field of view".Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering 45.10(2016).

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