Laser projection system for TNG

Roberto Ragazzoni; Enrico Marchetti; Walter W. Gallieni

doi:10.1117/12.268976

21 March 1997 Laser projection system for TNG

Roberto Ragazzoni, Enrico Marchetti, Walter W. Gallieni

Proceedings Volume 2871, Optical Telescopes of Today and Tomorrow; (1997) https://doi.org/10.1117/12.268976
Event: Optical Telescopes of Today and Tomorrow, 1996, Landskrona/Hven, Sweden

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.

Citation Download Citation

Roberto Ragazzoni, Enrico Marchetti, and Walter W. Gallieni "Laser projection system for TNG", Proc. SPIE 2871, Optical Telescopes of Today and Tomorrow, (21 March 1997); https://doi.org/10.1117/12.268976

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