Design and wavefront sensing for the segmented Spherical Primary Optical Telescope

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	Design and wavefront sensing for the segmented Spherical Primary Optical Telescope
	ShengzhangKai; FanXuewu; LiChuang; LiuKai; Zhang Kaisheng
	2011
会议名称	2011 International Conference on Electronic and Mechanical Engineering and Information Technology, EMEIT 2011
会议录名称	Proceedings of 2011 International Conference on Electronic and Mechanical Engineering and Information Technology, EMEIT 2011
页码	3828-3831
会议日期	August 12, 2011 - August 14, 2012
会议地点	Harbin, China
出版地	445 Hoes Lane - P.O.Box 1331, Piscataway, NJ 08855-1331, United States
出版者	IEEE Computer Society
产权排序	1
摘要	On account of the tight requirement of the high-resolution, the Segmented Primary Optical Telescope (SPOT) becomes the mainstream. Obviously, the use of a strongly aspheric form creates several intractable problems in manufacturing and subsequent optical testing of aspheric off-axis segments having different forms, the task of controlling a large number of aspheric segments for on-orbit cophasing is formidable, so the prospect of assembling the primary mirror from small, low-cost identical spherical mirror segments is very attractive. This paper will discourse upon the demand of the SPOT and analyze the advantages of segmented spherical primary mirror relative to aspheric. Besides these, the author will design an optical systems under the properties (D=1200mm, MTF ≥ 0.6), the optical designs use a full steerable, quasi-Cassegrain telescope in which the primary mirror uses spherical surface, then we will demonstrate its performance and prove the practicality of Spherical Primary Optical Telescope. Ultimately, we will introduce a multistage wavefront sensing and control strategy briefly for Diffraction-limited phasing.
关键词	High-resolution Spot On-orbit Cophasing Segmented Spherical Primary Mirror Quasi-cassegrain Telescope Wavefront Sensing And Control Diffraction-limited
作者部门	空间光学技术研究室
收录类别	EI
ISBN号	9781612840857
语种	英语
文献类型	会议论文
条目标识符	http://ir.opt.ac.cn/handle/181661/20208
专题	空间光学技术研究室
通讯作者	Zhang Kaisheng
推荐引用方式 GB/T 7714	ShengzhangKai,FanXuewu,LiChuang,et al. Design and wavefront sensing for the segmented Spherical Primary Optical Telescope[C]. 445 Hoes Lane - P.O.Box 1331, Piscataway, NJ 08855-1331, United States:IEEE Computer Society,2011:3828-3831.

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