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24 October 2012 LINC-NIRVANA for the LBT: setting up the world's largest NIR binoculars for astronomy
Ralph Hofferbert, Harald Baumeister, Thomas Bertram, Jürgen Berwein, Peter Bizenberger, Armin Böhm, Michael Böhm, José Luis Borelli, Matthieu Brangier, Florian Briegel, Albert Conrad, Fulvio De Bonis, Roman Follert, Tom Herbst, Armin Huber, Frank Kittmann, Martin Kürster, Werner Laun, Ulrich Mall, Daniel Meschke, Lars Mohr, Vianak Naranjo, Aleksei Pavlov, Jörg-Uwe Pott, Hans-Walter Rix, Ralf-Rainer Rohloff, Eva Schinnerer, Clemens Storz, Jan Trowitzsch, Zhaojun Yan, Xianyu Zhang, Andreas Eckart, Matthew Horrobin, Steffen Rost, Christian Straubmeier, Imke Wank, Jens Zuther, Udo Beckmann, Claus Connot, Matthias Heininger, Karl-Heinz Hofmann, Tim Kröner, Eddy Nussbaum, Dieter Schertl, Gerd Weigelt, Maria Bergomi, Alessandro Brunelli, Marco Dima, Jacopo Farinato, Demetrio Magrin, Luca Marafatto, Roberto Ragazzoni, Valentina Viotto, Carmelo Arcidiacono, Giovanni Bregoli, Paolo Ciliegi, Guiseppe Cosentino, Emiliano Diolaiti, Italo Foppiani, Matteo Lombini, Laura Schreiber, Francesco D'Alessio, Gianluca Li Causi, Dario Lorenzetti, Fabrizio Vitali, Mario Bertero, Patrizia Boccacci, Andrea La Camera
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Proceedings Volume 8511, Infrared Remote Sensing and Instrumentation XX; 85110A (2012) https://doi.org/10.1117/12.928284
Event: SPIE Optical Engineering + Applications, 2012, San Diego, California, United States
Abstract
LINC-NIRVANA (LN) is the near-infrared, Fizeau-type imaging interferometer for the Large Binocular Telescope (LBT) on Mt. Graham, Arizona, USA (3267m of elevation). The instrument is currently being built by a consortium of German and Italian institutes under the leadership of the Max Planck Institute for Astronomy (MPIA) in Heidelberg, Germany. It will combine the radiation from both 8.4m primary mirrors of LBT in such a way that the sensitivity of a 11.9m telescope and the spatial resolution of a 22.8m telescope will be obtained within a 10.5arcsec x 10.5arcsec scientific field of view. Interferometric fringes of the combined beams are tracked in an oval field with diameters of 1 and 1.5arcmin. In addition, both incoming beams are individually corrected by LN’s multi-conjugate adaptive optics (MCAO) system to reduce atmospheric image distortion over a circular field of up to 6arcmin in diameter. This paper gives a comprehensive technical overview of the instrument comprising the detailed design of LN’s four major systems for interferometric imaging and fringe tracking, both in the NIR range of 1 - 2.4μm, as well as atmospheric turbulence correction at two altitudes, both in the visible range of 0.6 - 0.9μm. The resulting performance capabilities and a short outlook of some of the major science goals will be presented. In addition, the roadmap for the related assembly, integration and verification (AIV) process will be discussed. To avoid late interface-related risks, strategies for early hardware as well as software interactions with the telescope have been elaborated. The goal is to ship LN to the LBT in 2014.
© (2012) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
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Ralph Hofferbert, Harald Baumeister, Thomas Bertram, Jürgen Berwein, Peter Bizenberger, Armin Böhm, Michael Böhm, José Luis Borelli, Matthieu Brangier, Florian Briegel, Albert Conrad, Fulvio De Bonis, Roman Follert, Tom Herbst, Armin Huber, Frank Kittmann, Martin Kürster, Werner Laun, Ulrich Mall, Daniel Meschke, Lars Mohr, Vianak Naranjo, Aleksei Pavlov, Jörg-Uwe Pott, Hans-Walter Rix, Ralf-Rainer Rohloff, Eva Schinnerer, Clemens Storz, Jan Trowitzsch, Zhaojun Yan, Xianyu Zhang, Andreas Eckart, Matthew Horrobin, Steffen Rost, Christian Straubmeier, Imke Wank, Jens Zuther, Udo Beckmann, Claus Connot, Matthias Heininger, Karl-Heinz Hofmann, Tim Kröner, Eddy Nussbaum, Dieter Schertl, Gerd Weigelt, Maria Bergomi, Alessandro Brunelli, Marco Dima, Jacopo Farinato, Demetrio Magrin, Luca Marafatto, Roberto Ragazzoni, Valentina Viotto, Carmelo Arcidiacono, Giovanni Bregoli, Paolo Ciliegi, Guiseppe Cosentino, Emiliano Diolaiti, Italo Foppiani, Matteo Lombini, Laura Schreiber, Francesco D'Alessio, Gianluca Li Causi, Dario Lorenzetti, Fabrizio Vitali, Mario Bertero, Patrizia Boccacci, and Andrea La Camera "LINC-NIRVANA for the LBT: setting up the world's largest NIR binoculars for astronomy", Proc. SPIE 8511, Infrared Remote Sensing and Instrumentation XX, 85110A (24 October 2012); https://doi.org/10.1117/12.928284
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KEYWORDS
Telescopes
Mirrors
Sensors
Interferometry
Cameras
Adaptive optics
Near infrared
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