Polychromatic Laser Guide Star

Details Polychromatic Laser Guide Star Polychromatic Laser Guide Star

May 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001sf2a.conf..529f&link_type=abstract

Abstracts from SF2A-2001: Semaine de l'Astrophysique Francaise, meeting held in Lyon, France, May 28-June 1st, 2001, Eds.: F. Co

Physics

Optics

Scientific paper

We briefly recall the aim and the principle of ELP-OA, the polychromatic laser guide star programme, which aims at mesuring the wavefront tilt from a laser guide star. We describe the results of the feasibility study of this concept, addressing in particular the budget link, the measurement of telescope vibrations, the accuracy of the tilt measurements and the the return flux from the mesosphere as measured from sky experiments. We conclude with the perspectives of the polychromatic laser guide star with respect to forthcoming developments of adaptive optics at large telescopes.

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