Title

Finite-Difference Time-Domain Calculations of a Liquid-Crystal-Based Switchable Bragg Grating

Publication Title

Journal of the Optical Society of America A-Optics Image Science and Vision

Publication Date

6-2004

Document Type

Article

DOI

10.1364/JOSAA.21.001066

Keywords

coupled-wave analysis, maxwells equations, polymer, propagation, simulations, diffraction, display, devices

Disciplines

Physics

Abstract

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. (C) 2004 Optical Society of America.

Comments

This paper was published in the Journal of the Optical Society of America A and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://dx.doi.org/10.1364/JOSAA.21.001066. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.

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