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Proceedings Article

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

[+] Author Affiliations
Karine Perraut-Rousselet, Pierre Haguenauer, Panayoti Petmezakis, Etienne LeCoarer, Pierre Y. Kern, Fabien Malbet

Observatoire de Grenoble (France)

Jean-Philippe Berger

Ecole Nationale superieure d'electronique et de radioelectricite de Grenoble (USA)

Denis Mourard, Sam D. Ragland

Observatoire de la Cote d'Azur (France)

Guillaume Huss

Institut de Recherche en Communications Optiques et Microondes (France)

Francois Reynaud

Institut de Recherche en Communications Optiques et Microonders (France)

Proc. SPIE 4006, Interferometry in Optical Astronomy, 1042 (July 5, 2000); doi:10.1117/12.390185
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From Conference Volume 4006

  • Interferometry in Optical Astronomy
  • Pierre J. Lena; Andreas Quirrenbach
  • Munich, Germany | March 27, 2000

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.

© (2000) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Karine Perraut-Rousselet ; Pierre Haguenauer ; Panayoti Petmezakis ; Jean-Philippe Berger ; Denis Mourard, et al.
"Qualification of IONIC (integrated optics near-infrared interferometric camera)", Proc. SPIE 4006, Interferometry in Optical Astronomy, 1042 (July 5, 2000); doi:10.1117/12.390185; http://dx.doi.org/10.1117/12.390185


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