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Integrated Optics in Astronomical Interferometry

Published online by Cambridge University Press:  19 July 2016

V. Coudé du Foresto
V. Coudé du Foresto*
Affiliation:
Observatoire de Paris, DESPA (CNRS URA 264), 92195 Meudon Cedex, France

Abstract

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Integrated optical components (mostly single-mode fibers and couplers) can be used to achieve several functions that are needed in interferometry: coherent beam transportation and recombination, pathlength modulation and control for fringe tracking and double Fourier interferometry, spatial filtering of the wavefront and interferogram calibration. Their potential is assessed and the main problems encountered in their implementation are discussed: dispersion, polarization behavior, and especially starlight injection.

Keywords

Stellar interferometryIntegrated opticsSingle-mode fibers and couplers
Type
Impact of Technology II: Optical and Infrared
Information
Symposium - International Astronomical Union , Volume 158: Very High Angular Resolution Imaging , 1994 , pp. 261 - 271
Copyright
Copyright © Kluwer 1994 

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