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Applied Optics

Applied Optics


  • Vol. 34, Iss. 23 — Aug. 10, 1995
  • pp: 5133–5139

Phase calibration and applications of a liquid-crystal spatial light modulator

Alain Bergeron, Jonny Gauvin, François Gagnon, Denis Gingras, Henri H. Arsenault, and Michel Doucet  »View Author Affiliations

Applied Optics, Vol. 34, Issue 23, pp. 5133-5139 (1995)

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A simple phase-characterization method for spatial light modulators is proposed. The low-cost method permits high-precision measurement and provides data for the setting of the spatial-light-modulator operating point in the phase-modulation mode. The dynamic phase response is used to perform efficient kinoform recording. In order to record the kinoform, we modify the global iterative coding to compute phase holograms. Finally, modified phase–phase correlation is introduced. The phase–phase correlator permits sharper correlation peaks, better energy transmission, and higher discrimination than an amplitude–phase correlation. Optical experimental results are presented.

© 1995 Optical Society of America

Original Manuscript: April 20, 1994
Revised Manuscript: February 13, 1995
Published: August 10, 1995

Alain Bergeron, Jonny Gauvin, François Gagnon, Denis Gingras, Henri H. Arsenault, and Michel Doucet, "Phase calibration and applications of a liquid-crystal spatial light modulator," Appl. Opt. 34, 5133-5139 (1995)

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