The Polychromatic Laser Guide Star: the ELP-OA demonstrator at Observatoire de Haute Provence

Details The Polychromatic Laser Guide Star: the ELP-OA demonstrator at Observatoire de Haute Provence The Polychromatic Laser Guide Star: the ELP-OA demonstrator at Observatoire de Haute Provence

Jul 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007sf2a.conf...37f&link_type=abstract

SF2A-2007: Proceedings of the Annual meeting of the French Society of Astronomy and Astrophysics held in Grenoble, France, July

Astronomy and Astrophysics

Astrophysics

2

Scientific paper

The correction of the tilt for adaptive optics devices from the only laser guide star can be done with the polychromatic laser guide star. We report the progress of the first demonstrator of the implementation of this concept, at Observatoire de Haute-Provence. We review the last steps of the feasibility studies, the optimization of the laser parameters, and the studies of the implementation at the OHP 1.52m telescope, including the beam propagation to the lasers room to the mesosphere and the algorithms for tip-tilt measurements.

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