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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Vol. 19, Iss. 12 — Dec. 2, 2002
  • pp: 2995–3003

Polarization and switching properties of holographic polymer-dispersed liquid-crystal gratings. I. Theoretical model

Richard L. Sutherland  »View Author Affiliations


JOSA B, Vol. 19, Issue 12, pp. 2995-3003 (2002)
http://dx.doi.org/10.1364/JOSAB.19.002995


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Abstract

Polarization properties and electro-optical switching behavior of holographic polymer-dispersed liquid-crystal (HPDLC) reflection and transmission gratings are studied. A theoretical model is developed that combines anisotropic coupled-wave theory with an elongated liquid-crystal-droplet switching model and includes the effects of a statistical orientational distribution of droplet-symmetry axes. Angle- and polarization-dependent switching behaviors of HPDLC gratings are elucidated, and the effects on dynamic range are described. A new type of electro-optical switching not seen in ordinary polymer-dispersed liquid crystals, to the best of the author’s knowledge, is presented and given a physical interpretation. The model provides valuable insight to the physics of these gratings and can be applied to the design of HPDLC holographic optical elements.

© 2002 Optical Society of America

OCIS Codes
(050.7330) Diffraction and gratings : Volume gratings
(090.2900) Holography : Optical storage materials
(230.1950) Optical devices : Diffraction gratings
(230.3720) Optical devices : Liquid-crystal devices
(260.1180) Physical optics : Crystal optics

Citation
Richard L. Sutherland, "Polarization and switching properties of holographic polymer-dispersed liquid-crystal gratings. I. Theoretical model," J. Opt. Soc. Am. B 19, 2995-3003 (2002)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-19-12-2995

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