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Proceedings Paper

Concept and implementation of a virtual image slicer at the VLT
Author(s): S. Guisard; M. Sterzik; I. Muñoz
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Paper Abstract

The concept of "Virtual Image Slicer" was developed and implemented at the Very Large Telescope (VLT). The Virtual Image Slicer consists in elongating the stars in a given direction by the use of the Active Optics of the telescope. Alignment of the major axis of the elongated star along the entrance slit of the spectrograph allows to increase the total signal collected in a single (polarimetric) spectrum by a factor of up to 100 or more relative to a perfectly shaped image for bright sources.

Paper Details

Date Published: 22 July 2014
PDF: 7 pages
Proc. SPIE 9145, Ground-based and Airborne Telescopes V, 914544 (22 July 2014); doi: 10.1117/12.2056691
Show Author Affiliations
S. Guisard, European Southern Observatory (Chile)
M. Sterzik, European Southern Observatory (Germany)
I. Muñoz, European Southern Observatory (Chile)


Published in SPIE Proceedings Vol. 9145:
Ground-based and Airborne Telescopes V
Larry M. Stepp; Roberto Gilmozzi; Helen J. Hall, Editor(s)

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