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Journal of the Optical Society of America A

Journal of the Optical Society of America A


  • Vol. 21, Iss. 6 — Jun. 1, 2004
  • pp: 1066–1072

Finite-difference time-domain calculations of a liquid-crystal-based switchable Bragg grating

Bin Wang, Xinghua Wang, and Philip J. Bos  »View Author Affiliations

JOSA A, Vol. 21, Issue 6, pp. 1066-1072 (2004)

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A polymer-wall-confined transmissive switchable liquid crystal grating is proposed and investigated by two-dimensional finite-difference time-domain optical calculation and liquid-crystal-director calculation, to our knowledge for the first time. The results show how to obtain optimized conditions for high diffraction efficiency by adjusting the liquid crystal parameters, grating geometric structure, and applied voltages. The light propagation direction and efficiency can be accurately calculated and visualized concurrently.

© 2004 Optical Society of America

OCIS Codes
(050.1970) Diffraction and gratings : Diffractive optics
(160.3710) Materials : Liquid crystals
(230.1950) Optical devices : Diffraction gratings
(230.2090) Optical devices : Electro-optical devices
(230.3720) Optical devices : Liquid-crystal devices

Original Manuscript: October 15, 2003
Revised Manuscript: January 6, 2004
Manuscript Accepted: January 6, 2004
Published: June 1, 2004

Bin Wang, Xinghua Wang, and Philip J. Bos, "Finite-difference time-domain calculations of a liquid-crystal-based switchable Bragg grating," J. Opt. Soc. Am. A 21, 1066-1072 (2004)

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