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Optics Express

Optics Express

  • Editor: J. H. Eberly
  • Vol. 1, Iss. 11 — Nov. 24, 1997
  • pp: 338–346

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

David Dayton, Steve Sandven, John Gonglewski, Steve Browne, Samuel Rogers, and Scot McDermott  »View Author Affiliations

Optics Express, Vol. 1, Issue 11, pp. 338-346 (1997)

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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.

© Optical Society of America

OCIS Codes
(010.1080) Atmospheric and oceanic optics : Active or adaptive optics
(230.3720) Optical devices : Liquid-crystal devices
(230.6120) Optical devices : Spatial light modulators

ToC Category:
Focus Issue: Signal collection and recovery

Original Manuscript: September 2, 1997
Published: November 24, 1997

David Dayton, Steve Sandven, John Gonglewski, Stephen Browne, Sam Rogers, and Scott Mcdermott, "Adaptive optics using a liquid crystal phase modulator in conjunction with a Shack-Hartmann wave front sensor and zonal control algorithm," Opt. Express 1, 338-346 (1997)

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  1. G.D. Love, "Wavefront correction and production of Zernike modes with a liquid crystal SLM", Appl. Opt., 36, 1517-1524 (1997). [CrossRef] [PubMed]
  2. J. Gourlay, G.D. Love, P.M. Birch, R.M. Sharples, A. Purvis, A real-time closed-loop liquid crystal adaptive optics system: first results, Opt. Commun. 137, 17-21 (1997). [CrossRef]
  3. A. Kudryashov, J. Gonglewski, S. Browne, R. Highland, Liquid crystal phase modulator for adaptive optics. Temporal performance characterization, Opt. Commun. 141, 247-253 (1997). [CrossRef]
  4. W. Wild, E. Kibblewhite, R. Vuilleumier, "Sparse matrix wave-front estimators for adaptive-optics system for large ground-based telescopes," Opt. Lett. 20 (9), 995-957 (1995). [CrossRef]

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