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First laboratory results with the LINC-NIRVANA high layer wavefront sensor
Zhang, Xianyu1,2,3,4; Gaessler, Wolfgang1; Conrad, Albert R.1; Bertram, Thomas1; Arcidiacono, Carmelo5; Herbst, Thomas M.1; Kuerster, Martin1; Bizenberger, Peter1; Meschke, Daniel1; Rix, Hans-Walter1; Rao, Changhui2,3; Mohr, Lars1; Briegel, Florian1; Kittmann, Frank1; Berwein, Juergen1; Trowitzsch, Jan1; Schreiber, Laura6; Ragazzoni, Roberto7; Diolaiti, Emiliano8
Source PublicationOPTICS EXPRESS
Volume19Issue:17Pages:16087-16095
2011-08-15
Language英语
Indexed BySCI
WOS IDWOS:000293894900045
SubtypeArticle
AbstractIn the field of adaptive optics, multi-conjugate adaptive optics (MCAO) can greatly increase the size of the corrected field of view (FoV) and also extend sky coverage. By applying layer oriented MCAO (LO-MCAO) [4], together with multiple guide stars (up to 20) and pyramid wavefront sensors [7], LINC-NIRVANA (L-N for short) [1] will provide two AO-corrected beams to a Fizeau interferometer to achieve 10 milliarcsecond angular resolution on the Large Binocular Telescope. This paper presents first laboratory results of the AO performance achieved with the high layer wavefront sensor (HWS). This sensor, together with its associated deformable mirror (a Xinetics-349), is being operated in one of the L-N laboratories. AO reference stars, spread across a 2 arc-minute FoV and with aberrations resulting from turbulence introduced at specific layers in the atmosphere, are simulated in this lab environment. This is achieved with the Multi-Atmosphere Phase screen and Stars (MAPS) [2] unit. From the wavefront data, the approximate residual wavefront error after correction has been calculated for different turbulent layer altitudes and wind speeds. Using a somewhat undersampled CCD, the FWHM of stars in the nearly 2 arc-minute FoV has also been measured. These test results demonstrate that the high layer wavefront sensor of LINC-NIRVANA will be able to achieve uniform AO correction across a large FoV. (C) 2011 Optical Society of America
WOS Research AreaOptics
WOS SubjectOptics
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Cited Times:11[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ioe.ac.cn/handle/181551/3423
Collection光电技术研究所被WoS收录文章
Affiliation1.Max Planck Inst Astron, D-69117 Heidelberg, Germany
2.Chinese Acad Sci, Inst Opt & Elect, Lab Adapt Opt, Chengdu 610209, Peoples R China
3.Chinese Acad Sci, Key Lab Adapt Opt, Chengdu 610209, Peoples R China
4.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
5.INAF Arcetri Astrophys Observ, I-50125 Florence, Italy
6.Univ Bologna, Dept Astron, I-40126 Bologna, Italy
7.INAF Astron Observ Padova, I-35122 Padua, Italy
8.INAF Osservatorio Astron Bologna, I-40127 Bologna, Italy
Recommended Citation
GB/T 7714
Zhang, Xianyu,Gaessler, Wolfgang,Conrad, Albert R.,et al. First laboratory results with the LINC-NIRVANA high layer wavefront sensor[J]. OPTICS EXPRESS,2011,19(17):16087-16095.
APA Zhang, Xianyu.,Gaessler, Wolfgang.,Conrad, Albert R..,Bertram, Thomas.,Arcidiacono, Carmelo.,...&Diolaiti, Emiliano.(2011).First laboratory results with the LINC-NIRVANA high layer wavefront sensor.OPTICS EXPRESS,19(17),16087-16095.
MLA Zhang, Xianyu,et al."First laboratory results with the LINC-NIRVANA high layer wavefront sensor".OPTICS EXPRESS 19.17(2011):16087-16095.
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