Recent progress and future prospects of the GI2T interferometer

D. Mourard; A. Blazit; D. Bonneau; J. L. Chevassut; J. M. Clausse; J. B. Le Bouquin; J. Maire; G. Merlin; K. Rousselet-Perraut; J. Borgnino; N. Nardetto; F. Patru; X. Rondeau; P. Stee; I. Tallon-Bosc; E. Thiébaut; F. Vakili; A. Ziad

doi:10.1117/12.669899

23 June 2006 Recent progress and future prospects of the GI2T interferometer

D. Mourard, A. Blazit, D. Bonneau, J. L. Chevassut, J. M. Clausse, J. B. Le Bouquin, J. Maire, G. Merlin, K. Rousselet-Perraut, J. Borgnino, N. Nardetto, F. Patru, X. Rondeau, P. Stee, I. Tallon-Bosc, E. Thiébaut, F. Vakili, A. Ziad

Author Affiliations +

Proceedings Volume 6268, Advances in Stellar Interferometry; 626807 (2006) https://doi.org/10.1117/12.669899
Event: SPIE Astronomical Telescopes + Instrumentation, 2006, Orlando, Florida , United States

Abstract

We give an overview of recent results obtained with the GI2T interferometer. On the technical side, great improvements have been obtained on photon counting detectors, especially in terms of quantum efficiency and of photon centroiding algorithms. Piston measurements with the GI2T dispersed fringes have been made during coordinate observations with the Generalized Seeing Monitor GSM. These observations have lead to wavefront outer scale determinations. The last topic we will present concerns the polarimetric measurements done with the SPIN device on the GI2T spectrograph. We conclude this paper by a summary of the results obtained with the GI2T during its scientific life.

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D. Mourard, A. Blazit, D. Bonneau, J. L. Chevassut, J. M. Clausse, J. B. Le Bouquin, J. Maire, G. Merlin, K. Rousselet-Perraut, J. Borgnino, N. Nardetto, F. Patru, X. Rondeau, P. Stee, I. Tallon-Bosc, E. Thiébaut, F. Vakili, and A. Ziad "Recent progress and future prospects of the GI2T interferometer", Proc. SPIE 6268, Advances in Stellar Interferometry, 626807 (23 June 2006); https://doi.org/10.1117/12.669899

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KEYWORDS

Interferometers

Polarization

Visibility

Polarimetry

Cameras

Spectrographs

Photon counting

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