The calibration unit and detector system tests for MUSE

A. Kelz; S. M. Bauer; I. Biswas; T. Fechner; T. Hahn; J.-C. Olaya; E. Popow; M. M. Roth; O. Streicher; P. Weilbacher; R. Bacon; F. Laurent; U. Laux; J. L. Lizon; M. Loupias; R. Reiss; G. Rupprecht

doi:10.1117/12.856963

20 July 2010 The calibration unit and detector system tests for MUSE

A. Kelz, S. M. Bauer, I. Biswas, T. Fechner, T. Hahn, J.-C. Olaya, E. Popow, M. M. Roth, O. Streicher, P. Weilbacher, R. Bacon, F. Laurent, U. Laux, J. L. Lizon, M. Loupias, R. Reiss, G. Rupprecht

Author Affiliations +

Proceedings Volume 7735, Ground-based and Airborne Instrumentation for Astronomy III; 773552 (2010) https://doi.org/10.1117/12.856963
Event: SPIE Astronomical Telescopes + Instrumentation, 2010, San Diego, California, United States

Abstract

The Multi-Unit Spectroscopic Explorer (MUSE) is an integral-field spectrograph for the ESO Very Large Telescope. After completion of the Final Design Review in 2009, MUSE is now in its manufacture and assembly phase. To achieve a relative large field-of-view with fine spatial sampling, MUSE features 24 identical spectrograph-detector units. The acceptance tests of the detector sub-systems, the design and manufacture of the calibration unit and the development of the Data Reduction Software for MUSE are under the responsibility of the AIP. The optical design of the spectrograph implies strict tolerances on the alignment of the detector systems to minimize aberrations. As part of the acceptance testing, all 24 detector systems, developed by ESO, are mounted to a MUSE reference spectrograph, which is illuminated by a set of precision pinholes. Thus the best focus is determined and the image quality of the spectrograph-detector subsystem across wavelength and field angle is measured.

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A. Kelz, S. M. Bauer, I. Biswas, T. Fechner, T. Hahn, J.-C. Olaya, E. Popow, M. M. Roth, O. Streicher, P. Weilbacher, R. Bacon, F. Laurent, U. Laux, J. L. Lizon, M. Loupias, R. Reiss, and G. Rupprecht "The calibration unit and detector system tests for MUSE", Proc. SPIE 7735, Ground-based and Airborne Instrumentation for Astronomy III, 773552 (20 July 2010); https://doi.org/10.1117/12.856963

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