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Proceedings Paper

Laser projection system for TNG
Author(s): Roberto Ragazzoni; Enrico Marchetti; Walter W. Gallieni
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Paper Abstract

In the framework of the adaptive optics for TNG the mechanical, optical and engineering aspects of the laser projection system for the TNG are briefly shown. The laser beam is projected through the elevation axis on the Nasmith foci usually devoted for spectroscopic purposes and otherwise unused during imaging scientific activities. The optical design of the projector is also outlined. It is foreseen that in the very first phase a Rayleigh laser will be operated at TNG, later replaced by a mesospheric sodium LGS generator.

Paper Details

Date Published: 21 March 1997
PDF: 4 pages
Proc. SPIE 2871, Optical Telescopes of Today and Tomorrow, (21 March 1997); doi: 10.1117/12.268976
Show Author Affiliations
Roberto Ragazzoni, Astronomical Observatory of Padova (Italy)
Enrico Marchetti, Ctr. for Studies and Space Activities (Italy)
Walter W. Gallieni, Ads Italia Srl Sistemi Avanzati (Italy)

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

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