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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: G. I. Stegeman
  • Vol. 23, Iss. 1 — Jan. 1, 2006
  • pp: 36–44

Transverse nonlocal effects in optical reorientation of nematic liquid crystals

Etienne Brasselet, Aurélien Lherbier, and Louis J. Dubé  »View Author Affiliations


JOSA B, Vol. 23, Issue 1, pp. 36-44 (2006)
http://dx.doi.org/10.1364/JOSAB.23.000036


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Abstract

We reexamine the optical reorientation of a homeotropic nematic-liquid-crystal film under finite beam-size excitation and linear polarization. We study the case of normal and oblique incidence (extraordinary wave). Under the most basic assumptions (geometrical optics approximation, elastic isotropy) we systematically analyze the dependence of transverse nonlocal effects as a function of the angle of incidence, the beam size, and the intensity. Besides recovering some well-known results (Fréedericksz transition threshold and spatial extension of the molecular reorientation as a function of the beam size), we identify a series of nonmonotonous behaviors of the material response as well as shape variations of the reorientation profiles.

© 2006 Optical Society of America

OCIS Codes
(160.3710) Materials : Liquid crystals
(190.4420) Nonlinear optics : Nonlinear optics, transverse effects in

ToC Category:
Materials

Citation
Etienne Brasselet, Aurélien Lherbier, and Louis J. Dubé, "Transverse nonlocal effects in optical reorientation of nematic liquid crystals," J. Opt. Soc. Am. B 23, 36-44 (2006)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-23-1-36

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