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Proceedings Paper

First tests of the coronagraphic device of MIRI/JWST
Author(s): Céline Cavarroc; Jérôme Amiaux; Pierre Baudoz; Anthony Boccaletti; Patrice Bouchet; Didier Dubreuil; Pierre-Olivier Lagage; Vincent Moreau; Eric J. Pantin; Jean-Michel Reess; Samuel Ronayette; Gillian S. Wright
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Paper Abstract

One of the main objectives of the instrument MIRI, the Mid-InfraRed Instrument, of the JWST is the direct detection and characterization of extrasolar giant planets. For that purpose, a coronagraphic device including three Four-Quadrant Phase Masks and a Lyot coronagraph working in mid-infrared, has been developed. We present here the results of the first test campaign of the coronagraphic system in the mid-infrared in the facility developed at the CEA. The performances are compared to the expected ones from the coronagraphic simulations. The accuracy of the centering procedures is also evaluated to validate the choice of the on-board centering algorithm.

Paper Details

Date Published: 12 July 2008
PDF: 8 pages
Proc. SPIE 7010, Space Telescopes and Instrumentation 2008: Optical, Infrared, and Millimeter, 70100W (12 July 2008); doi: 10.1117/12.789089
Show Author Affiliations
Céline Cavarroc, CEA, IRFU/SAp (France)
Jérôme Amiaux, CEA, IRFU/SAp (France)
Pierre Baudoz, Observatoire de Paris-Meudon (France)
Anthony Boccaletti, Observatoire de Paris-Meudon (France)
Patrice Bouchet, CEA, IRFU/SAp (France)
Didier Dubreuil, CEA, IRFU/SAp (France)
Pierre-Olivier Lagage, CEA, IRFU/SAp (France)
Vincent Moreau, CEA, IRFU/SAp (France)
Eric J. Pantin, CEA, IRFU/SAp (France)
Jean-Michel Reess, Observatoire de Paris-Meudon (France)
Samuel Ronayette, CEA, IRFU/SAp (France)
Gillian S. Wright, Royal Observatory (United Kingdom)


Published in SPIE Proceedings Vol. 7010:
Space Telescopes and Instrumentation 2008: Optical, Infrared, and Millimeter
Jacobus M. Oschmann; Mattheus W. M. de Graauw; Howard A. MacEwen, Editor(s)

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