Alignment metrology for the Antarctica Kunlun Dark Universe Survey Telescope

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	Alignment metrology for the Antarctica Kunlun Dark Universe Survey Telescope
	Zhengyang Li 1,2,3; Xiangyan Yuan 1,2; Xiangqun Cui 1,2
刊名	monthly notice of royal astronomical society
	2015-02
期号	449 页码:425-430
关键词	miscellaneous
英文摘要	Dome A is the highest point on the Antarctic Plateau, and the Chinese expedition team was the first to arrive there in 2005 January. It is an excellent site for astronomical observations. The Kunlun Dark Universe Survey Telescope (KDUST), a proposed next-generation Chinese Antarctic optical telescope, is currently being planned. KDUST is a coaxial three-mirror anastigmatic telescope with an entrance pupil diameter of 2.5 m and a field of view of 1.5⁰. The telescope should be fully aligned in order to achieve diffraction-limited image quality. Based on the current optical model for KDUST, in this study we describe a modified alignment metrology and give the preliminary results of numerical simulations. Using the acquisition of field-dependent aberrations, the algorithm, which is based on double Zernike polynomial decomposition and the least-squares fitting method, delivers a suitable set of corrections for resolvingmisalignments including themulti-axismotion of the secondary and tertiary mirrors. Moreover, the algorithm can also be used to calculate the primary mirror’s low-order figure errors mixing with the misalignments of the secondary mirror.
学科主题	天文技术与方法
语种	英语
内容类型	期刊论文
源URL	[http://ir.niaot.ac.cn/handle/114a32/1177]
专题	南京天文光学技术研究所_中科院南京天光所知识成果_期刊论文南京天文光学技术研究所_南极天文技术中心_期刊论文南京天文光学技术研究所_望远镜新技术研究室_期刊论文
作者单位	1.Nanjing Institute of Astronomical Optics and Technology 2.Key Laboratory of Astronomical Optics and Technology,Chinese Academy of Sciences 3.University of Chinese Academy of Sciences
推荐引用方式 GB/T 7714	Zhengyang Li,Xiangyan Yuan,Xiangqun Cui. Alignment metrology for the Antarctica Kunlun Dark Universe Survey Telescope[J]. monthly notice of royal astronomical society,2015(449):425-430.
APA	Zhengyang Li,Xiangyan Yuan,&Xiangqun Cui.(2015).Alignment metrology for the Antarctica Kunlun Dark Universe Survey Telescope.monthly notice of royal astronomical society(449),425-430.
MLA	Zhengyang Li,et al."Alignment metrology for the Antarctica Kunlun Dark Universe Survey Telescope".monthly notice of royal astronomical society .449(2015):425-430.