Qualification of IONIC (integrated optics near-infrared interferometric camera)

Karine Perraut-Rousselet; Pierre Haguenauer; Panayoti Petmezakis; Jean-Philippe Berger; Denis Mourard; Sam D. Ragland; Guillaume Huss; Francois Reynaud; Etienne LeCoarer; Pierre Y. Kern; Fabien Malbet

doi:10.1117/12.390185

5 July 2000 Qualification of IONIC (integrated optics near-infrared interferometric camera)

Karine Perraut-Rousselet, Pierre Haguenauer, Panayoti Petmezakis, Jean-Philippe Berger, Denis Mourard, Sam D. Ragland, Guillaume Huss, Francois Reynaud, Etienne LeCoarer, Pierre Y. Kern, Fabien Malbet

Author Affiliations +

Proceedings Volume 4006, Interferometry in Optical Astronomy; (2000) https://doi.org/10.1117/12.390185
Event: Astronomical Telescopes and Instrumentation, 2000, Munich, Germany

Abstract

We report the first technical results of the Integrated Optics Near-infrared Interferometric Camera developed and characterized at the Observatoire de Grenoble as well as the first tests carried out on the GI2T Interferometer (Observatoire de la Cote d'Azur, France). This near-infrared interferometric camera dedicated to astronomical observations is implemented in a single dewar, which hosts the planar integrated optics beam combiner and a cooled HgCdTe infrared detector, with optical interfaces reduced to optical fibers for signal injection in the component. Thanks to its versatility, this concept allows to combine any number of telescopes in the near infrared range (J, H and K bands). The compactness of the integrated optics components allows various combining schemes (co- and multi-axial ones) and observations in different spectral bands simultaneously. Finally, a camera upgrade with a PICNIC chip is also described. This new set-up under integration at the Observatoire de Grenoble would allow to reach limiting magnitudes of H equals 4 - 6 with the GI2T.

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Karine Perraut-Rousselet, Pierre Haguenauer, Panayoti Petmezakis, Jean-Philippe Berger, Denis Mourard, Sam D. Ragland, Guillaume Huss, Francois Reynaud, Etienne LeCoarer, Pierre Y. Kern, and Fabien Malbet "Qualification of IONIC (integrated optics near-infrared interferometric camera)", Proc. SPIE 4006, Interferometry in Optical Astronomy, (5 July 2000); https://doi.org/10.1117/12.390185

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