Optical design, simulation, and testing of an addressable 64 x 64 liquid crystal phase plate

Details Optical design, simulation, and testing of an addressable 64 x 64 liquid crystal phase plate Optical design, simulation, and testing of an addressable 64 x 64 liquid crystal phase plate

Nov 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993spie.2000...96p&link_type=abstract

Proc. SPIE Vol. 2000, p. 96-100, Current Developments in Optical Design and Optical Engineering III, Robert E. Fischer; Warren J

Physics

Optics

Scientific paper

The correction of phase aberrations in optical systems using an adaptive liquid crystal phase screen having 64 X 64 pixels is considered. These adaptive components have advantages over deformable mirror systems in that liquid crystal technology is relatively inexpensive and large pixelation densities can be achieved. In particular we address the application of these devices to astronomical adaptive optics. A simulator of the phase correction plate at work using time changing distorted wave fronts is described. Preliminary measurements of the optical flatness and response times of the prototype device are discussed.

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