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激光导引星倾斜探测的非等晕性
Alternative TitleAnisoplanatism in the tip-tilt determination of the laser guide star
黄凯1,2; 周钰1; 常翔1; 翟东升1; 熊耀恒1
Source Publication光学学报(Acta Optica Sinica)
2014-04
Volume34Issue:4Pages:15-22
DOI10.3788/AOS201434.0401002
ClassificationO439
Contribution Rank第1完成单位
Indexed ByEI ; CSCD
Keyword自适应光学 非等晕性 角度相关性 激光导引星 倾斜量 Zernike多项式
Abstract

传统的激光导引星(LGS)由于激光发射与接收光路的限制,导致难以利用激光导引星来探测大气倾斜量变化。其中重要的一个解决方案就是利用辅助望远镜,从侧面对激光导引星进行探测,从观测到的激光导引星带状拖影中提取出大气倾斜信息。随着激光带拖影长度的增加,必然导致其出现非等晕现象。给出了激光导引星带状拖影上两球面波之间的Zernike多项式展开系数角度相关函数。从相关性的角度分析了导引星高度、大气湍流强度以及接收望远镜口径对激光导引星带状拖影的非等晕性的影响。此外,基于激光导引星倾斜探测方案的非等晕限制,给出了Na层激光导引星倾斜量探测方案中的辅助望远镜视场限制。

Other Abstract

Traditional laser guide star (LGS) is difficult to detect the variance of atmospheric tilt because of the limitation of laser transmitter and receiver light path. An important solution is to use auxiliary telescopes to detect the LGS from the side, in order to single out the information of atmospheric tilt from the observed LGS strip. It leads to the phenomenon of anisophanatism with the increase of the length of LGS strip. The Zernike coefficient correlations between two spherical waves coming from the LGS strip are developed. From the point of correlation, the effect of the altitude of LGS, atmospherical turbulence and the caliber of the receiving telescope on the anisoplanatism of the LGS strip is analyzed. Furthermore, based on the anisoplanatism limitation of the tip-tilt determination concept, the request of field of view (FOV) of auxiliary telescope to view the sodium LGS is presented.

Funding Project国家自然科学基金青年基金[11103070]
Funding Organization国家自然科学基金青年基金[11103070]
Language中文
Subject Area物理学 ; 光学 ; 天文学 ; 天体测量学
MOST Discipline Catalogue理学 ; 理学::天文学
SubtypeJournal article (JA)
PublisherChinese Optical Society
ISSN0253-2239
Archive Date2014-05-17
CSCD IDCSCD:5127580
EI Accession Number20142117743245
EI KeywordsAdaptive optics
EI Classification Number657.2Extraterrestrial Physics and Stellar Phenomena - 741.1Light/Optics - 921.6Numerical Methods
Citation statistics
Cited Times:1[CSCD]   [CSCD Record]
Document Type期刊论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/7539
Collection应用天文研究组
Corresponding Author黄凯
Affiliation1.中国科学院云南天文台, 云南, 昆明, 650011
2.中国科学院大学, 北京, 100049
First Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Corresponding Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
黄凯,周钰,常翔,等. 激光导引星倾斜探测的非等晕性[J]. 光学学报(Acta Optica Sinica),2014,34(4):15-22.
APA 黄凯,周钰,常翔,翟东升,&熊耀恒.(2014).激光导引星倾斜探测的非等晕性.光学学报(Acta Optica Sinica),34(4),15-22.
MLA 黄凯,et al."激光导引星倾斜探测的非等晕性".光学学报(Acta Optica Sinica) 34.4(2014):15-22.
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