Adaptive optics using a liquid crystal phase modulator in conjunction with a Shack-Hartmann wave front sensor and zonal control algorithm

Details Adaptive optics using a liquid crystal phase modulator in conjunction with a Shack-Hartmann wave front sensor and zonal control algorithm Adaptive optics using a liquid crystal phase modulator in conjunction with a Shack-Hartmann wave front sensor and zonal control algorithm

Nov 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997oexpr...1..338d&link_type=abstract

Optics Express, vol. 1, Issue 11, p.338

Physics

Optics

4

Scientific paper

Multi-segment liquid crystal spatial light modulators have received much attention recently for use as high-precision wavefront control devices for use in astronomical and non-astronomical applications. They act much like piston only segmented deformable mirrors. In this paper we investigate the use of these devices in conjunction with a Shack-Hartmann wave-front sensor. Previous investigators have considered Zernike modal control algorithms. In this paper we consider a zonal algorithm in order to take advantage of high speed matrix multiply hardware which we have in hand.

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