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Title:
Alignment metrology for the Antarctica Kunlun Dark Universe Survey Telescope
Author: Li, ZhengYang(李正阳)1,2,3; Yuan, XiangYan(袁祥岩)1,2; Cui, XiangQun(崔向群)1,2
Source: monthly notice of royal astronomical society
Issued Date: 2015-02
Issue: 449, Pages:425-430
Keyword: miscellaneous
Subject: 天文技术与方法
DOI: 10.1093/mnras/stv268
English Abstract:
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.
Language: 英语
Citation statistics:
Content Type: 期刊论文
URI: http://ir.niaot.ac.cn/handle/114a32/1177
Appears in Collections:南极天文技术中心_期刊论文
望远镜新技术研究室_期刊论文
中科院南京天光所知识成果_期刊论文

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description.institution: 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

Recommended Citation:
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.
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文件名: Alignment metrology for the Antarctica Kunlun Dark Universe Survey Telescope.pdf
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