Nulling interferometric breadboard using integrated optics beam combiners: preparation to the IRSI/DARWIN mission

Pierre Haguenauer; Marc Barillot; Pierre Y. Kern; Isabelle Schanen-Duport; Virginie Collomb; Pierre Labeye; Anne Poupinet; Valerie Weber; Zoran Sodnik; Pierre Kervella

doi:10.1117/12.458538

21 February 2003 Nulling interferometric breadboard using integrated optics beam combiners, preparation to the IRSI/DARWIN mission

Pierre Haguenauer, Marc Barillot, Pierre Y. Kern, Isabelle Schanen-Duport, Virginie Collomb, Pierre Labeye, Anne Poupinet, Valerie Weber, Zoran Sodnik, Pierre Kervella

Author Affiliations +

Proceedings Volume 4838, Interferometry for Optical Astronomy II; (2003) https://doi.org/10.1117/12.458538
Event: Astronomical Telescopes and Instrumentation, 2002, Waikoloa, Hawai'i, United States

Abstract

The IRSI/DARWIN spatial interferometer of the European Space Agency (ESA) is aimed at detecting extrasolar planets. The high difference in flux emission between the star and the planet is tackled by using nulling interferometry as a coronographic method. By star light extinction, one can retrieve the planet signal, and thus have access to high resolution imaging by interferometric measurements. Critical technological solutions are to be developed in order to reach the high level performances of such instruments. This is the scope of the Multi-Aperture Imaging Interferometer (MAI²) breadboard developed by Alcatel Space in an ESA contract. The goal of this laboratory experiment, based on integrated optics (IO) beam combination, is to obtain stable rejection of a star signal at a level of 10⁶.

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Pierre Haguenauer, Marc Barillot, Pierre Y. Kern, Isabelle Schanen-Duport, Virginie Collomb, Pierre Labeye, Anne Poupinet, Valerie Weber, Zoran Sodnik, and Pierre Kervella "Nulling interferometric breadboard using integrated optics beam combiners, preparation to the IRSI/DARWIN mission", Proc. SPIE 4838, Interferometry for Optical Astronomy II, (21 February 2003); https://doi.org/10.1117/12.458538

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