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1m红外太阳望远镜镜面位置误差致光轴偏移分析
Alternative TitleAnalysis on Optic Axis Deviation Induced by Lens Position Disorder of 1 m New Vacuum Solar Telescope
董雪岩1,2; 许方宇1; 陈骥3; 罗永芳3
Source Publication红外技术(Infrared Technology)
2016-10
Volume38Issue:10Pages:870-876
ClassificationP111.21
Contribution Rank第1完成单位
Indexed ByCSCD ; 核心
Keyword红外望远镜 光学装调 光轴偏移 像质 弯沉 灵敏度矩阵
Abstract

定量分析了云南天文台1 m新真空红外太阳望远镜(简称NVST),副镜失调误差对主光轴偏移的影响。以格里高利双反射系统为例,在综合像质达到衍射极限的前提下,分析了副镜的离心和倾斜误差分别对光轴带来的影响,然后分析了两种因素综合作用下,NVST光轴的可能的偏移量。模拟结果表明当副镜离心和倾斜单独存在且分别小于0.121 mm和0.01?时,像质可达衍射限。当副镜离心与倾斜同时存在且耦合,离心4.5 mm倾斜0.392?时,像质仍可达到衍射限,光轴已偏移0.392?,远大于望远镜设计视场0.083?。因此光轴稳定性是大型望远镜装调的一项必检指标。

Other Abstract

Taking the 1 m new vacuum solar telescope(NVST) of the Yunnan Observatories as an example, this paper analyzed quantitatively the maladjustment of the optical imaging components(such as the primary mirror and the secondary mirror) on the optical axis deviation. The influence of the decentration or tilt of the secondary mirror on the optical axis and the field of view is discussed and the allowable deviation of the optical axis of the NVST is analyzed under the combination of the two factors. We noticed that decentration and tilt can sometimes compensate each other, mitigating damage of telescope imaging quality. When the limit offset reaches 4.5 mm and 0.392?, the optical axis offset is 0.392?, which is far larger than the design field of view of telescope. It is concluded that the optical axis stability is a necessary index to test the results of large telescope alignment.

Funding Project国家自然科学基金项目[U1231117] ; 国家自然科学基金项目[U1431122]
Funding Organization国家自然科学基金项目[U1231117, U1431122]
Language中文
Subject Area天文学 ; 天文学其他学科
MOST Discipline Catalogue理学 ; 理学::天文学
ISSN1001-8891
CSCD IDCSCD:5834016
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/9805
Collection抚仙湖太阳观测站
Corresponding Author许方宇
Affiliation1.云南天文台天文技术实验室,云南,昆明,650216
2.中国科学院大学,北京,100049
3.云南北方驰宏光电有限公司,云南,昆明,650217
First Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Corresponding Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
董雪岩,许方宇,陈骥,等. 1m红外太阳望远镜镜面位置误差致光轴偏移分析[J]. 红外技术(Infrared Technology),2016,38(10):870-876.
APA 董雪岩,许方宇,陈骥,&罗永芳.(2016).1m红外太阳望远镜镜面位置误差致光轴偏移分析.红外技术(Infrared Technology),38(10),870-876.
MLA 董雪岩,et al."1m红外太阳望远镜镜面位置误差致光轴偏移分析".红外技术(Infrared Technology) 38.10(2016):870-876.
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