Physics – Optics
Scientific paper
Jan 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008aoim.conf..495b&link_type=abstract
ADAPTIVE OPTICS FOR INDUSTRY AND MEDICINE . Proceedings of the Sixth International Workshop. Held 12-15 June 2007 in National Un
Physics
Optics
Scientific paper
We propose a modified approach [1, 2] to form a laser guide star (LGS) with a collimated laser beam launched through the full aperture of a telescope. Using a special form of field stop (diaphragm) uniquely positioned for each subapertures, the wavefront sensor "sees" only a small part of the source corresponding to the area on the sky, which is cut out by the field stop. Each of these spherical waves subtends the area of a separate subaperture at the telescope pupil. Thus, the LGS is formed of a set of spherical waves. Since the linear size of the subaperture is approximately equal to the coherence radius, the measured wavefront can be restored as a smooth phase function. The use of this scheme is investigated.
Bolbasova Lidia A.
Goncharov Alexander V.
Lukin Vladimir P.
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