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Proceedings Paper

Darwin ground-based European Nulling Interferometer Experiment (GENIE)
Author(s): Philippe Gondoin; Olivier Absil; C. V. Malcolm Fridlund; Christian Erd; Roland H. den Hartog; Nicola Rando; Andreas Glindemann; Bertrand Koehler; Rainer Wilhelm; Anders Karlsson; L. Labadie; I. Mann; Anthony J. Peacock; Andrea Richichi; Zoran Sodnik; Massimo Tarenghi; Sergio Volonte
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Paper Abstract

Darwin is one of the most challenging space projects ever considered by the European Space Agency (ESA). Its principal objectives are to detect Earth-like planets around nearby stars and to characterize their atmospheres. Darwin is conceived as a space "nulling interferometer" which makes use of on-axis destructive interferences to extinguish the stellar light while keeping the off-axis signal of the orbiting planet. Within the frame of the Darwin program, the European Space Agency (ESA) and the European Southern Observatory (ESO) intend to build a ground-based technology demonstrator called GENIE (Ground based European Nulling Interferometry Experiment). Such a ground-based demonstrator built around the Very Large Telescope Interferometer (VLTI) in Paranal will test some of the key technologies required for the Darwin Infrared Space Interferometer. It will demonstrate that nulling interferometry can be achieved in a broad mid-IR band as a precursor to the next phase of the Darwin program. The present paper will describe the objectives and the status of the project.

Paper Details

Date Published: 21 February 2003
PDF: 12 pages
Proc. SPIE 4838, Interferometry for Optical Astronomy II, (21 February 2003); doi: 10.1117/12.458573
Show Author Affiliations
Philippe Gondoin, European Space Agency (Netherlands)
Olivier Absil, Observatoire de Paris-Meudon (France)
C. V. Malcolm Fridlund, European Space Agency (Netherlands)
Christian Erd, European Space Agency (Netherlands)
Roland H. den Hartog, European Space Agency (Netherlands)
Nicola Rando, European Space Agency (Netherlands)
Andreas Glindemann, European Southern Observatory (Germany)
Bertrand Koehler, European Southern Observatory (Germany)
Rainer Wilhelm, European Southern Observatory (Germany)
Anders Karlsson, European Space Agency (Netherlands)
L. Labadie, European Space Agency (Netherlands)
I. Mann, European Space Agency (Netherlands)
Anthony J. Peacock, European Space Agency (Netherlands)
Andrea Richichi, European Southern Observatory (Germany)
Zoran Sodnik, European Space Agency (Netherlands)
Massimo Tarenghi, European Southern Observatory (Germany)
Sergio Volonte, European Space Agency (France)

Published in SPIE Proceedings Vol. 4838:
Interferometry for Optical Astronomy II
Wesley A. Traub, Editor(s)

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