Modal tomography for adaptive optics

Details Modal tomography for adaptive optics Modal tomography for adaptive optics

Feb 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999a%26a...342l..53r&link_type=abstract

Astronomy and Astrophysics, v.342, p.L53-L56 (1999)

Physics

Optics

35

Instrumentation: Adaptive Optics, Atmospheric Effects, Telescopes

Scientific paper

Multiple Laser Guide Stars can be used to retrieve the three-dimensional distribution of the perturbing layers on the coming wavefront in Adaptive Optics system and to derive corrections for conical anisoplanatism. We outline the basic analytical details of a modal approach to this problem. The advantages of this approach with respect to the traditional zonal one are pointed out along with a preliminary discussion of the way the involved matrices are to be treated in order to minimize noise propagation problems.

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