Manufacturing and integration of the IRDIS dual imaging camera and spectrograph for SPHERE

Kjetil Dohlen; Michael Carle; Fabrice Madec; Maud Langlois; David Le Mignant; Michel Saisse; Arthur Vigan; Gilles Arthaud; Rudy Barette; Jean-Antoine Benedetti; Jean-Claude Blanc; Patrick Blanchard; William Bon; Louis Castinel; Christophe Fabron; Lucien Hill; Marc Jaquet; Philippe Laurent; Marc Llored; Nataly Manzone; Silvio Mazzanti; Jeanne Melkonian; Gabriel Moreaux; Claire Moutou; Alain Origne; Markus Feldt; Vianak Naranjo; Ralf-Rainer Rohloff; Jean-Luc Beuzit; Laurence Gluck; David Mouillet; Pascal Puget; Andrea Baruffolo; Francois Wildi; Reinhold Dorn; Gert Finger; Norbert Hubin; Markus Kasper; Jean-Louis Lizon

doi:10.1117/12.857169

17 September 2010 Manufacturing and integration of the IRDIS dual imaging camera and spectrograph for SPHERE

Kjetil Dohlen, Michael Carle, Fabrice Madec, Maud Langlois, David Le Mignant, Michel Saisse, Arthur Vigan, Gilles Arthaud, Rudy Barette, Jean-Antoine Benedetti, Jean-Claude Blanc, Patrick Blanchard, William Bon, Louis Castinel, Christophe Fabron, Lucien Hill, Marc Jaquet, Philippe Laurent, Marc Llored, Nataly Manzone, Silvio Mazzanti, Jeanne Melkonian, Gabriel Moreaux, Claire Moutou, Alain Origne, Markus Feldt, Vianak Naranjo, Ralf-Rainer Rohloff, Jean-Luc Beuzit, Laurence Gluck, David Mouillet, Pascal Puget, Andrea Baruffolo, Francois Wildi, Reinhold Dorn, Gert Finger, Norbert Hubin, Markus Kasper, Jean-Louis Lizon

Author Affiliations +

Proceedings Volume 7735, Ground-based and Airborne Instrumentation for Astronomy III; 77352W (2010) https://doi.org/10.1117/12.857169
Event: SPIE Astronomical Telescopes + Instrumentation, 2010, San Diego, California, United States

Abstract

SPHERE is a planet hunting instrument for the VLT 8m telescope in Chile whose prime objective is the discovery and characterization of young Jupiter-sized planets outside of the solar system. It is a complex instrument, consisting of an extreme Adaptive Optics System (SAXO), various coronagraphs, an infrared differential imaging camera (IRDIS), an infrared integral field spectrograph (IFS) and a visible differential polarimeter (ZIMPOL). The performance of the IRDIS camera is directly related to various wavefront error budgets of the instrument, in particular the differential aberrations occurring after separation of the two image beams. We report on the ongoing integration and testing activities in terms of optical, mechanical, and cryo-vacuum instrument parts. In particular, we show results of component level tests of the optics and indicate expected overall performance in comparison with design-level budgets. We also describe the plans for instrumental performance and science testing of the instrument, foreseen to be conducted during coming months.

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Kjetil Dohlen, Michael Carle, Fabrice Madec, Maud Langlois, David Le Mignant, Michel Saisse, Arthur Vigan, Gilles Arthaud, Rudy Barette, Jean-Antoine Benedetti, Jean-Claude Blanc, Patrick Blanchard, William Bon, Louis Castinel, Christophe Fabron, Lucien Hill, Marc Jaquet, Philippe Laurent, Marc Llored, Nataly Manzone, Silvio Mazzanti, Jeanne Melkonian, Gabriel Moreaux, Claire Moutou, Alain Origne, Markus Feldt, Vianak Naranjo, Ralf-Rainer Rohloff, Jean-Luc Beuzit, Laurence Gluck, David Mouillet, Pascal Puget, Andrea Baruffolo, Francois Wildi, Reinhold Dorn, Gert Finger, Norbert Hubin, Markus Kasper, and Jean-Louis Lizon "Manufacturing and integration of the IRDIS dual imaging camera and spectrograph for SPHERE", Proc. SPIE 7735, Ground-based and Airborne Instrumentation for Astronomy III, 77352W (17 September 2010); https://doi.org/10.1117/12.857169

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