First tests of the coronagraphic device of MIRI/JWST

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

doi:10.1117/12.789089

12 July 2008 First tests of the coronagraphic device of MIRI/JWST

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

Author Affiliations +

Proceedings Volume 7010, Space Telescopes and Instrumentation 2008: Optical, Infrared, and Millimeter; 70100W (2008) https://doi.org/10.1117/12.789089
Event: SPIE Astronomical Telescopes + Instrumentation, 2008, Marseille, France

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.

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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, and Gillian S. Wright "First tests of the coronagraphic device of MIRI/JWST", Proc. SPIE 7010, Space Telescopes and Instrumentation 2008: Optical, Infrared, and Millimeter, 70100W (12 July 2008); https://doi.org/10.1117/12.789089

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