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Stellar coronagraphy: two mono-axial configurations for the Achromatic Interfero Coronagraph

Published online by Cambridge University Press:  02 May 2006

J. Gay ,
J. P. Rivet ,
Y. Rabbia ,
G. Cassar ,
C. Buisset ,
F. Fressin  and
T. Lepine
J. Gay
Affiliation:
Observatoire de la Côte d'Azur, B.P. 4229, F-06304 Nice Cedex 4, France. email: gay@obs-nice.fr
J. P. Rivet
Affiliation:
Observatoire de la Côte d'Azur, B.P. 4229, F-06304 Nice Cedex 4, France. email: gay@obs-nice.fr
Y. Rabbia
Affiliation:
Observatoire de la Côte d'Azur, Avenue Copernic, F-06130 Grasse, France.
G. Cassar
Affiliation:
Observatoire de la Côte d'Azur, B.P. 4229, F-06304 Nice Cedex 4, France. email: gay@obs-nice.fr
C. Buisset
Affiliation:
Observatoire de la Côte d'Azur, Avenue Copernic, F-06130 Grasse, France.
F. Fressin
Affiliation:
Observatoire de la Côte d'Azur, B.P. 4229, F-06304 Nice Cedex 4, France. email: gay@obs-nice.fr
T. Lepine
Affiliation:
Ecole Supérieure d'Optique, LTSI, 10 rue Barrouin, F-42000 Saint-Etienne, France
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Abstract

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The standard AIC (Achromatic Interfero Coronagraph) has a “coudé” geometry (the output beam leaves at right angle from the input beam). Thus, some extra optical parts are required to fit such a device within the optical train between a telescope and its IR camera. To avoid this drawback, we present two mono-axial variants of the AIC.

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. 473 - 476
Copyright
© 2006 International Astronomical Union