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Proceedings Paper

Sensing systems for active control of the VLT
Author(s): Martin J. Cullum; Francis Franza; Enzo Brunetto
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Paper Abstract

Each of the 12 Nasmyth and Cassegrain foci of the ESO very large telescope (VLT) will be equipped with an 'adapter/rotator' which provides the mechanical interface for the science instruments and several key functions for the control of the telescope, namely a CCD sensor for acquisition and guiding, and a separate CCD sensor as wavefront sensor for the active optics control system. This paper describes the origins and concept for the VLT adapter/rotators, and the principal design drivers and constraints.

Paper Details

Date Published: 21 March 1997
PDF: 6 pages
Proc. SPIE 2871, Optical Telescopes of Today and Tomorrow, (21 March 1997); doi: 10.1117/12.268990
Show Author Affiliations
Martin J. Cullum, European Southern Observatory (Germany)
Francis Franza, European Southern Observatory (Germany)
Enzo Brunetto, European Southern Observatory (Germany)

Published in SPIE Proceedings Vol. 2871:
Optical Telescopes of Today and Tomorrow
Arne L. Ardeberg, Editor(s)

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