New polychromatic test bench for Darwin/TPF nulling interferometer laboratory demonstration

Alain Labeque; Alain M. Leger; Predrag Sekulic; Frank Brachet; Marc Ollivier; Thierry Lepine; Claude Valette; Claude Lizambert; Veronique Hervier

doi:10.1117/12.460698

26 February 2003 New polychromatic testbed for DARWIN/TPF nulling interferometer laboratory demonstration

Alain Labeque, Alain M. Leger, Predrag Sekulic, Frank Brachet, Marc Ollivier, Thierry Lepine, Claude Valette, Claude Lizambert, Veronique Hervier

Author Affiliations +

Proceedings Volume 4852, Interferometry in Space; (2003) https://doi.org/10.1117/12.460698
Event: Astronomical Telescopes and Instrumentation, 2002, Waikoloa, Hawai'i, United States

Abstract

Several concept of space missions dedicated to the direct detection and analysis of extrasolar planets are based on nulling interferometry principle. This principle, which is theoretically very promising requires the capability of propagating and combining beams with very high accuracy in term of amplitude phase and polarization. In order to validate the principle of nulling interferometry, it is necessary to develop laboratory techniques of recombination. In this paper, we present a new test bench that should allow measuring rejection rate up to 105 in a large spectral band between 2 and 4 microns.

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Alain Labeque, Alain M. Leger, Predrag Sekulic, Frank Brachet, Marc Ollivier, Thierry Lepine, Claude Valette, Claude Lizambert, and Veronique Hervier "New polychromatic testbed for DARWIN/TPF nulling interferometer laboratory demonstration", Proc. SPIE 4852, Interferometry in Space, (26 February 2003); https://doi.org/10.1117/12.460698

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