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Proceedings Paper

Integrated optics components in silica on silicon technology for stellar interferometry
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Paper Abstract

During the last years, LETI has developed integrated optics components for stellar interferometry using silica on silicon technology. Recent astrophysical results obtained with the three-telescope combiner IONIC3 on IOTA confirm the interest of this kind of integrated devices in terms of overall performance and stability. New combiners based on symmetric three-waveguide couplers have been theoretically studied, manufactured, and tested in laboratory in collaboration with LAOG over the H-band. Simulation et experimental preliminary results are presented and compared to asymmetric two-waveguide couplers. Applications to three- and four-telescope combination are discussed.

Paper Details

Date Published: 20 October 2004
PDF: 10 pages
Proc. SPIE 5491, New Frontiers in Stellar Interferometry, (20 October 2004); doi: 10.1117/12.551863
Show Author Affiliations
Pierre R. Labeye, CEA-LETI (France)
Jean-Philippe Berger, Lab. d'Astrophysique de l'Observatoire de Grenoble (France)
Mouna Salhi, CEA-LETI (France)
Pierre Demolon, Lab. d'Astrophysique de l'Observatoire de Grenoble (France)
Karine Rousselet-Perraut, Lab. d'Astrophysique de l'Observatoire de Grenoble (France)
Fabien Malbet, Lab. d'Astrophysique de l'Observatoire de Grenoble (France)
Pierre Y. Kern, Lab. d'Astrophysique de l'Observatoire de Grenoble (France)


Published in SPIE Proceedings Vol. 5491:
New Frontiers in Stellar Interferometry
Wesley A. Traub, Editor(s)

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