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题名:
First laboratory results with the LINC-NIRVANA high layer wavefront sensor
作者: 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
刊名: OPTICS EXPRESS
出版日期: 2011-08-15
卷号: 19, 期号:17, 页码:16087-16095
文章类型: Article
英文摘要: In 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标题词: Science & Technology ; Physical Sciences
类目[WOS]: Optics
研究领域[WOS]: Optics
收录类别: SCI
语种: 英语
WOS记录号: WOS:000293894900045
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/3423
Appears in Collections:光电技术研究所被WoS收录文章_期刊论文

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作者单位: 1.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:
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.
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