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Nulling Interferometry: from the Bracewell scheme to the ESA-Darwin mission

Published online by Cambridge University Press:  11 October 2004

C. Aime ,
R. Soummer  and
Y. Rabbia
Y. Rabbia*
Affiliation:
Observatoire de la Côte d'Azur, Dpt. Gemini, UMR CNRS 6203, Av. Copernic, 06130 Grasse, France
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Abstract

This paper aims at describing (broad lines) the various instrumental concepts for nulling interferometry and how some observational constraints have driven the evolution from the initial Bracewell configuration to the ESA-Darwin mission configuration. Before this short overview, basic principles of interferometry and of nulling interferometry are recalled. Since a key point in the nulling mode is to insert achromatic phase shifts between interfering waves, a short description of several Achromatic Phase Shifters concepts is given as well as the associated constraints.

Type
Research Article
Information
European Astronomical Society Publications Series , Volume 12: Astronomy with High Contrast Imaging II , 2004 , pp. 215 - 234
Copyright
© EAS, EDP Sciences, 2004

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