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Proceedings Paper

Implementation of MACAO for SINFONI at the cassegrain focus of VLT in NGS and LGS modes
Author(s): Henri Bonnet; Stefan Strobele; Fabio Biancat-Marchet; Joar Brynnel; Ralf D. Conzelmann; Bernard Delabre; Robert Donaldson; Jacopo Farinato; Enrico Fedrigo; Norbert N. Hubin; Markus E. Kasper; Markus Kissler-Patig
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Paper Abstract

The European Southern Observatory (ESO) and the Max Planck Institut fur extraterrestrische Physik (MPE) are jointly developing SINFONI, an Adaptive Optics (AO) assisted Near Infrared Integral Field Spectrometer, which will be installed in the first quarter of 2004 at the Cassegrain focus of YEPUN (VLT UT4). The Adaptive Optics Module, a clone of MACAO, designed and built by ESO, is based on a 60 elements curvature system. It feeds the 3D spectrograph, SPIFFI, designed and built by MPE, with higher than 50% K band Strehl for bright (V<12) on-axis Natural Guide Stars (NGS) and less than 35 mas/hour image motion. The AO-Module will be the first curvature AO system operated in Laser Guide Star (LGS) mode, using a STRAP system for the tip/tilt sensing. The Strehl performance in the LGS mode is expected to be better than 30% in K band.

Paper Details

Date Published: 7 February 2003
PDF: 15 pages
Proc. SPIE 4839, Adaptive Optical System Technologies II, (7 February 2003); doi: 10.1117/12.457060
Show Author Affiliations
Henri Bonnet, European Southern Observatory (Germany)
Stefan Strobele, European Southern Observatory (Germany)
Fabio Biancat-Marchet, European Southern Observatory (Germany)
Joar Brynnel, European Southern Observatory (Germany)
Ralf D. Conzelmann, European Southern Observatory (Germany)
Bernard Delabre, European Southern Observatory (Germany)
Robert Donaldson, European Southern Observatory (Germany)
Jacopo Farinato, Osservatorio Astronomico di Padova (Italy)
Enrico Fedrigo, European Southern Observatory (Germany)
Norbert N. Hubin, European Southern Observatory (Germany)
Markus E. Kasper, European Southern Observatory (Germany)
Markus Kissler-Patig, European Southern Observatory (Germany)


Published in SPIE Proceedings Vol. 4839:
Adaptive Optical System Technologies II
Peter L. Wizinowich; Domenico Bonaccini, Editor(s)

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