A Configuration for Future Giant Telescope

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	A Configuration for Future Giant Telescope
	SU Ding-qiang; WANG Ya-nan; CUI Xiang-qun
	2004-01
发表期刊	Chinese Astronomy and Astrophysics
卷号	28 期号:1 页码:356-366
摘要	A configuration for the Future Giant Telescope is proposed. It is a 30 m telescope with segmented primary mirror and alt-azimuth mounting. The aspherical f/1.2 primary mirror is made up of 1095 partial annular submirrors.The optical system includes a Nasmyth system, a coud6 system and a widefield system. The Nasmyth system has a novel design with four mirrors and provides a ,~10 arcmin field of diffraction-limited images, a much larger field than can be obtained by the traditional Nasmyth system. Several diffractionlimited observations each over a small field, can be carried out simultaneously. By applying active optics to change the shape, tip, tilt and piston of the submirrors,thereby to effect a new aspherical surface of the primary, excellent quality images can be obtained for the coud4 system and the wide field system. The wide field system has a field of 25 arcmin, the focal surface is only slightly curved and the atmospheric dispersion could be corrected. The tolerances of the surface shape and position for the submirrors, and the telescope mounting and structure are also discussed. The innovations in this configuration should have a general significance for future giant telescopes.
关键词	Future Giant Telescope Adaptive Optics
学科领域	光学/红外望远镜 ; 天文光学设计 ; 主动光学
WOS记录号	WOS:000223946500012
引用统计	被引频次：8[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.niaot.ac.cn/handle/114a32/374
专题	期刊论文
推荐引用方式 GB/T 7714	SU Ding-qiang,WANG Ya-nan,CUI Xiang-qun. A Configuration for Future Giant Telescope[J]. Chinese Astronomy and Astrophysics,2004,28(1):356-366.
APA	SU Ding-qiang,WANG Ya-nan,&CUI Xiang-qun.(2004).A Configuration for Future Giant Telescope.Chinese Astronomy and Astrophysics,28(1),356-366.
MLA	SU Ding-qiang,et al."A Configuration for Future Giant Telescope".Chinese Astronomy and Astrophysics 28.1(2004):356-366.

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