SAXO+, a second-stage adaptive optics for SPHERE on VLT: optical and mechanical design concept

Journal
Date Issued
2022
Author(s)
Stadler, Eric
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Loupias, Magali
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Magnard, Yves
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Maurel, Didier
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Rabou, Patrick
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Rochat, Sylvain
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Vidal, Fabrice
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Cantalloube, Faustine
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Gendron, Eric
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Milli, Julien
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Mouillet, David
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Chauvin, Gael
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Wildi, François
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Beuzit, Jean Luc
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Boccaletti, Anthony
DOI
Abstract
SPHERE+ is a proposed upgrade of the SPHERE instrument at VLT, which will boost the current performances of detection and characterization of exoplanets and disks, and will serve as a demonstrator for the future planet finder (PCS) of the European ELT. The performance gain will be delivered by a second-stage AO module (SAXO+), including a dedicated wavefront sensor and deformable mirror to remove the residual wavefront errors left by the primary AO loop. This paper is focused on the optical and mechanical implementation of SAXO+ and describes the baseline design concept, selected from trade-off analysis of different options.
Coverage
Adaptive Optics Systems VIII
All editors
Schreiber, Laura; Schmidt, Dirk; Vernet, Elise
Series
Volume
12185
Start page
165
Conferenece
Adaptive Optics Systems VIII
Conferenece place
Montréal, Québec, Canada
Conferenece date
17-23 July, 2022
Uri
Url
Issn Identifier
0277-786X
Rights
open.access
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