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A Configuration for Future Giant Telescope
SU Ding-qiang; WANG Ya-nan; CUI Xiang-qun
Source PublicationChinese Astronomy and Astrophysics
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.
KeywordFuture Giant Telescope Adaptive Optics
Subject Area光学/红外望远镜 ; 天文光学设计 ; 主动光学
WOS IDWOS:000223946500012
Citation statistics
Cited Times:8[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Recommended Citation
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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