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http://hdl.handle.net/20.500.12386/24289
Title: | Near-infrared wavefront sensing | Authors: | Wizinowich, Peter Chun, Mark Mawet, Dimitri AGAPITO, GUIDO Dekany, Richard ESPOSITO, Simone Fusco, Thierry Guyon, Olivier Hall, Donald Plantet, Cedric Rigaut, Francois |
Issue Date: | 2016 | Volume: | Adaptive Optics Systems V | Editors: | Marchetti, Enrico; Close, Laird M.; Véran, Jean-Pierre | Series: | PROCEEDINGS OF SPIE | Number: | 9909 | First Page: | 990915 | Abstract: | We discuss the advantages of wavefront sensing at near-infrared (IR) wavelengths with low-noise detector technologies that have recently become available. In this paper, we consider low order sensing with laser guide star (LGS) adaptive optics (AO) and high order sensing with natural guide star (NGS) AO. We then turn to the application of near-IR sensing with the W. M. Keck Observatory (WMKO) AO systems for science and as a demonstrator for similar systems on extremely large telescopes (ELTs). These demonstrations are based upon an LGS AO near-IR tip-tilt-focus sensor and our collaboration to implement a near-IR pyramid wavefront sensor (PWFS) for a NGS AO L-band coronagraphic imaging survey to identify exoplanet candidates. | Conference Name: | Adaptive Optics Systems V | Conference Place: | Edinburgh, UK | Conference Date: | 26 June-1 July, 2016 | URI: | http://hdl.handle.net/20.500.12386/24289 | URL: | https://www.spiedigitallibrary.org/conference-proceedings-of-spie/9909/1/Near-infrared-wavefront-sensing/10.1117/12.2233035.full | ISSN: | 0277-786X | ISBN: | 9781510601987 | DOI: | 10.1117/12.2233035 | Bibcode ADS: | 2016SPIE.9909E..15W | Fulltext: | open |
Appears in Collections: | 3.01 Contributi in Atti di convegno |
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[C39] Wizinowich (2016).pdf | PDF editoriale | 1.47 MB | Adobe PDF | View/Open |
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