21 July 2014 Overview of the MICADO SCAO system
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Abstract
We present in this paper an overview of the single-conjugate adaptive optics (SCAO) module of the wide-field imager MICADO. MICADO is a near-IR camera for the European ELT, featuring a wide field (75"), spectroscopic and coronagraphic capabilities. It has been chosen by ESO as one of the two first-light instruments. MICADO will be optimized for the multi-conjugate adaptive optics module MAORY and will also work in SCAO mode. This SCAO mode will provide MICADO with a high-level, on-axis correction, making use of the M4 adaptive mirror in the telescope. We present first the current design of the different subsystems of the SCAO module (namely the optical relay interfacing MICADO to the telescope in its SCAO mode, the wavefront sensor, the real-time computer and the high contrast imaging). We then present the adaptive optics and coronagraphic simulations. The following section is devoted to the presentation of the project organization. We end with the conclusions and perspectives of the project.
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Yann Clénet, Tristan M. Buey, Gérard Rousset, Mathieu Cohen, Philippe Feautrier, Eric Gendron, Zoltan Hubert, Fanny Chemla, Damien Gratadour, Pierre Baudoz, Sylvestre Lacour, Anthony Boccaletti, Arnaud Sevin, Fabrice Vidal, Raphaël Galicher, Denis Perret, Bertrand Le Ruyet, Frédéric Chapron, Eric Stadler, Patrick Rabou, Laurent Jocou, Sylvain Rochat, Gaël Chauvin, Richard Davies, "Overview of the MICADO SCAO system", Proc. SPIE 9148, Adaptive Optics Systems IV, 91480Z (21 July 2014); doi: 10.1117/12.2055220; https://doi.org/10.1117/12.2055220
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