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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 20 — Sep. 24, 2012
  • pp: 22334–22343

Reducing the effect of pixel crosstalk in phase only spatial light modulators

Martin Persson, David Engström, and Mattias Goksör  »View Author Affiliations


Optics Express, Vol. 20, Issue 20, pp. 22334-22343 (2012)
http://dx.doi.org/10.1364/OE.20.022334


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Abstract

A method for compensating for pixel crosstalk in liquid crystal based spatial light modulators is presented. By modifying a commonly used hologram generating algorithm to account for pixel crosstalk, the intensity errors in obtained diffraction spot intensities are significantly reduced. We also introduce a novel method for characterizing the pixel crosstalk in phase-only spatial light modulators, providing input for the hologram generating algorithm. The methods are experimentally evaluated and an improvement of the spot uniformity by more than 100% is demonstrated for an SLM with large pixel crosstalk.

© 2012 OSA

OCIS Codes
(090.1000) Holography : Aberration compensation
(090.2870) Holography : Holographic display
(090.1995) Holography : Digital holography

ToC Category:
Holography

History
Original Manuscript: June 20, 2012
Revised Manuscript: August 25, 2012
Manuscript Accepted: August 27, 2012
Published: September 14, 2012

Citation
Martin Persson, David Engström, and Mattias Goksör, "Reducing the effect of pixel crosstalk in phase only spatial light modulators," Opt. Express 20, 22334-22343 (2012)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-20-20-22334


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