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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 14, Iss. 22 — Oct. 30, 2006
  • pp: 10558–10564

Optical polarization grating induced liquid crystal micro-structure using azo-dye command layer

Vladimir Presnyakov, Karen Asatryan, Tigran Galstian, and Vladimir Chigrinov  »View Author Affiliations

Optics Express, Vol. 14, Issue 22, pp. 10558-10564 (2006)

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We create planar-periodic alignment in nematic liquid crystal (LC) cell by using a command layer of azo-dye molecules directly deposited on the cell substrates and exposed with two interfering laser beams of opposite circular polarizations. Permanent high efficiency polarization gratings are thus created. The diffraction efficiency of those gratings is controlled by a uniform electric field applied across the cell. The electro-optical properties of such polarization gratings are studied. Obtained gratings can be used for electrically controlled discrimination and detection of polarized components of light.

© 2006 Optical Society of America

OCIS Codes
(050.1950) Diffraction and gratings : Diffraction gratings
(160.3710) Materials : Liquid crystals

ToC Category:

Original Manuscript: August 8, 2006
Revised Manuscript: October 1, 2006
Manuscript Accepted: October 3, 2006
Published: October 30, 2006

Vladimir Presnyakov, Karen Asatryan, Tigran Galstian, and Vladimir Chigrinov, "Optical polarization grating induced liquid crystal micro-structure using azo-dye command layer," Opt. Express 14, 10558-10564 (2006)

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