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Proceedings Paper

Cophasing studies for an imaging multi-aperture optical space interferometer
Author(s): Didier Morancais; Bertrand Calvel; Philippe Roussel
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Paper Abstract

A cophasing system architecture has been derived for an imaging multi-aperture optical space interferometer. This system is based on cophasing on a guide star. Breadboarding and testing of the main part of the system, with emphasis on the critical items (delay line, cophasing interferometer, Optical Path Difference (OPD retrieval methods), has provided an evaluation of the expected performance. This paper describes the reference interferometry mission used for the study, the overall OPD stabilization concept, the cophasing system and associated OPD restitution algorithms, and the first test results.

Paper Details

Date Published: 13 September 1994
PDF: 10 pages
Proc. SPIE 2209, Space Optics 1994: Earth Observation and Astronomy, (13 September 1994); doi: 10.1117/12.185274
Show Author Affiliations
Didier Morancais, Matra Marconi Space (France)
Bertrand Calvel, Matra Marconi Space (France)
Philippe Roussel, ESTEC (Netherlands)

Published in SPIE Proceedings Vol. 2209:
Space Optics 1994: Earth Observation and Astronomy
Guy Cerutti-Maori; Philippe Roussel, Editor(s)

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