Experimental adaptive optics system

Details Experimental adaptive optics system Experimental adaptive optics system

May 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994spie.2201.1146a&link_type=abstract

Proc. SPIE Vol. 2201, p. 1146-1154, Adaptive Optics in Astronomy, Mark A. Ealey; Fritz Merkle; Eds.

Physics

Optics

Scientific paper

Experimental results of a new approach to the problem of sharpness function maximization in adaptive optics are presented. The main difference from ordinary method is in forming of signals, proportional to the components of sharpness function gradient, in optical processor. This solution is very effective in case of low light intensity, when the quantum effects of registration are essential. It is shown that in particular case the scheme of adaptive system is similar to curvature sensing system. Experimental system provides 32-zonal correction of wave front in real atmospheric conditions for objects of various forms.

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