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5 July 2000 Robin Laurance nulling interferometers
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Abstract
In the DARWIN study, the European Space Agency has for several years investigated the possibilities for a mission, dedicated to direct detection of earth-like life on extra- solar planets. The detection technique is based on nulling interferometry, i.e. suppression of the on-axis star, such that only light from orbiting planet(s) remains. The concept of Generalized Angel's Cross (GAC) is introduced. A GAC is a nulling interferometer made up of four telescopes, all at equal distance from the interferometer's center and flown in one plane perpendicular to the common optical axis.
© (2000) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Anders Karlsson and Bertrand P. Mennesson "Robin Laurance nulling interferometers", Proc. SPIE 4006, Interferometry in Optical Astronomy, (5 July 2000); https://doi.org/10.1117/12.390168
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