The Fresnel Interferometric Imager

Details The Fresnel Interferometric Imager The Fresnel Interferometric Imager

Oct 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aspc..430..278k&link_type=abstract

Pathways Towards Habitable Planets, proceedings of a workshop held 14 to 18 September 2009 in Barcelona, Spain. Edited by Vincen

Physics

Instrumentation and Detectors

Scientific paper

We present a new “pathway" in the form of an innovative space-based telescope: the Fresnel Imager. It is a concept of two spacecrafts flying in formation, one satellite holding a diffraction array acting as entrance pupil and providing a very high wavefront quality in the visible and UV domains, the other one holding the focal instrumentation and detectors. The distance between spacecrafts would vary between 1 and 100 km, depending on the specifications, and the aperture size would be 3 to 100 meters. We present the validation prototypes realized, the spectral domains that can be explored, and the astrophysical targets.

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