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Stellar coronagraphy: laboratory testing of the Achromatic Interfero Coronagraph

Published online by Cambridge University Press:  02 May 2006

J. P. Rivet ,
J. Gay ,
J. Dalmau ,
G. Cassar  and
Y. Rabbia
J. P. Rivet
Affiliation:
Observatoire de la Côte d'Azur, B.P. 4229, F-06304 Nice Cedex 4, France email: rivet@obs-nice.fr
J. Gay
Affiliation:
Observatoire de la Côte d'Azur, B.P. 4229, F-06304 Nice Cedex 4, France email: rivet@obs-nice.fr
J. Dalmau
Affiliation:
Observatoire de la Côte d'Azur, B.P. 4229, F-06304 Nice Cedex 4, France email: rivet@obs-nice.fr
G. Cassar
Affiliation:
Observatoire de la Côte d'Azur, B.P. 4229, F-06304 Nice Cedex 4, France email: rivet@obs-nice.fr
Y. Rabbia
Affiliation:
Observatoire de la Côte d'Azur, Avenue Copernic, F-06130 Grasse, France
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Abstract

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We present new laboratory measurements of the intrinsic rejection performances in infrared (1.9 $\mu\,$m to 2.5 $\mu\,$m) for a prototype of Achromatic Interfero Coronagraph (AIC). We first recall basics about the AIC, then describe the prototype under consideration. We give detailed explanations about the experimental setup and the procedures followed to measure the rejection rate. We end up with a discussion of the results obtained.

Keywords

instrumentation: miscellaneous
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 1 , Colloquium C200: Direct Imaging of Exoplanets: Science & Techniques , October 2005 , pp. 485 - 488
Copyright
© 2006 International Astronomical Union