REGAIN: a new optical beam combiner for the G12T

Denis Mourard; Alain Blazit; Daniel Bonneau; D. Merlin; Isabelle Tallon-Bosc; Farrokh Vakili; Serge Menardi; Sylvestre Rebattu; L. Hill; Karine Perraut-Rousselet; Jean-Lucien Boit; Joel Le Merrer; G. Lasselin-Waultier; Michel Saisse; Dominque Pouliquen; M. Joubert

doi:10.1117/12.177277

9 June 1994 REGAIN: a new optical beam combiner for the G12T

Denis Mourard, Alain Blazit, Daniel Bonneau, D. Merlin, Isabelle Tallon-Bosc, Farrokh Vakili, Serge Menardi, Sylvestre Rebattu, L. Hill, Karine Perraut-Rousselet, Jean-Lucien Boit, Joel Le Merrer, G. Lasselin-Waultier, Michel Saisse, Dominque Pouliquen, M. Joubert

Author Affiliations +

Proceedings Volume 2200, Amplitude and Intensity Spatial Interferometry II; (1994) https://doi.org/10.1117/12.177277
Event: 1994 Symposium on Astronomical Telescopes and Instrumentation for the 21st Century, 1994, Kailua, Kona, HI, United States

Abstract

A new focal instrumentation for the Grand Interferometre a 2 Telescopes (GI2T) called REGAIN (REcombinaison pour GrAnd INterferometre) is under study at the Observatoire de la Cote d'Azur (OCA) and the Laboratoire d'Astronomie Spatiale (LAS) in Marseille, France. The objectives of the REGAIN project are multiple. Priority number 1 is a more efficient astrophysical exploitation of the GI2T. Next is the possibility for observing simultaneously at visible and near-infrared wavelengths. Finally REGAIN should ensure the test of the OVLA prototype telescope added to the present GI2T. Therefore, the resulting GI3T could be used for phase-closure imaging with 1.5-m apertures. At the same time reservations will be made for implementing adaptive optics units for each telescope whilst the VLT interferometer fringe- sensor currently studied at the OCA, should be tested on the GI3T.

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Denis Mourard, Alain Blazit, Daniel Bonneau, D. Merlin, Isabelle Tallon-Bosc, Farrokh Vakili, Serge Menardi, Sylvestre Rebattu, L. Hill, Karine Perraut-Rousselet, Jean-Lucien Boit, Joel Le Merrer, G. Lasselin-Waultier, Michel Saisse, Dominque Pouliquen, and M. Joubert "REGAIN: a new optical beam combiner for the G12T", Proc. SPIE 2200, Amplitude and Intensity Spatial Interferometry II, (9 June 1994); https://doi.org/10.1117/12.177277

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