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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry van Driel
  • Vol. 29, Iss. 8 — Aug. 1, 2012
  • pp: 2166–2175

Optimal liquid crystal modulation controlled by surface alignment and anchoring strength

Keith R. Daly, Nina Podoliak, Oleksandr Buchnev, Malgosia Kaczmarek, and Giampaolo D’Alessandro  »View Author Affiliations


JOSA B, Vol. 29, Issue 8, pp. 2166-2175 (2012)
http://dx.doi.org/10.1364/JOSAB.29.002166


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Abstract

Spatial modulation of liquid crystals can be controlled and adjusted by light polarization, the degree of pretilt on the substrates, anchoring strength, and the experimental geometry. In particular, strong anchoring can affect the liquid crystal orientation in opposite ways, depending on the polarization of the incident light. Here we present a theoretical model that describes the liquid crystal modulation and how it can be controlled and optimized. The model is valid for electric fields with a uniform component that is large with respect to the spatial modulation, a situation typical of spatial light modulators and photorefractive cells.

© 2012 Optical Society of America

OCIS Codes
(000.3870) General : Mathematics
(160.3710) Materials : Liquid crystals
(230.2090) Optical devices : Electro-optical devices
(230.3720) Optical devices : Liquid-crystal devices
(230.6120) Optical devices : Spatial light modulators

ToC Category:
Optical Devices

History
Original Manuscript: April 20, 2012
Manuscript Accepted: May 22, 2012
Published: July 27, 2012

Citation
Keith R. Daly, Nina Podoliak, Oleksandr Buchnev, Malgosia Kaczmarek, and Giampaolo D’Alessandro, "Optimal liquid crystal modulation controlled by surface alignment and anchoring strength," J. Opt. Soc. Am. B 29, 2166-2175 (2012)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-29-8-2166


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