FINCH: time-dependent simulation of nulling interferometry for the DARWIN mission

Details FINCH: time-dependent simulation of nulling interferometry for the DARWIN mission FINCH: time-dependent simulation of nulling interferometry for the DARWIN mission

Sep 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004spie.5497..226e&link_type=abstract

Modeling and Systems Engineering for Astronomy. Edited by Craig, Simon C.; Cullum, Martin J. Proceedings of the SPIE, Volume 549

Astronomy and Astrophysics

Astronomy

Scientific paper

Within the scope of the DARWIN Technology and Research Programme, the European Space Agency (ESA) initiated the development of a dynamic system simulator (called FINCH "Fast Interferometer Characterization") for the spaceborne nulling interferometry mission DARWIN.The FINCH project is realized by two parallel activities: (1) a simulator for the Guidance, Navigation and Control (FINCH/GNC) of the free-flying satellite array, and (2) a simulator for the optical subsystems and the beam propagation within the system (FINCH/OPT). While the GNC activity is handled by EADS Astrium, France, the optical part is performed in a joint effort by EADS Astrium, Germany, and the European Southern Observatory (ESO). In this paper we focus on FINCH/OPT aspects and describe: " DARWIN and the corresponding overall end-to-end simulation approach " the completed FINCH/OPT development for modelling of point sources " modelling of extended objects, exact and with suitable approximations " details of optical modelling of DARWIN configurations within FINCH " applications of FINCH

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