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Proceedings Paper

New polychromatic test bench for Darwin/TPF nulling interferometer laboratory demonstration
Author(s): Alain Labeque; Alain M. Leger; Predrag Sekulic; Frank Brachet; Marc Ollivier; Thierry Lepine; Claude Valette; Claude Lizambert; Veronique Hervier
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Paper 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.

Paper Details

Date Published: 26 February 2003
PDF: 7 pages
Proc. SPIE 4852, Interferometry in Space, (26 February 2003); doi: 10.1117/12.460698
Show Author Affiliations
Alain Labeque, Univ. de Paris-Sud (France)
Alain M. Leger, Univ. de Paris-Sud (France)
Predrag Sekulic, Univ. de Paris-Sud (France)
Frank Brachet, Univ. de Paris-Sud (France)
Marc Ollivier, Univ. de Paris-Sud (France)
Thierry Lepine, Univ. de Paris-Sud (France)
Claude Valette, Univ. de Paris-Sud (France)
Claude Lizambert, Univ. de Paris-Sud (France)
Veronique Hervier, Univ. de Paris-Sud (France)


Published in SPIE Proceedings Vol. 4852:
Interferometry in Space
Michael Shao, Editor(s)

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