Optical simulation of cholesteric liquid crystal displays using the finite-difference time-domain method | Zendy

ChiLun Ting | Zendy; TsungHsien Lin | Zendy; ChiChang Liao | Zendy; Andy Y.G. Fuh | Zendy

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Optical simulation of cholesteric liquid crystal displays using the finite-difference time-domain method

Author(s) -

ChiLun Ting,

TsungHsien Lin,

ChiChang Liao,

Andy Y.G. Fuh

Publication year - 2006

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.14.005594

Subject(s) - finite difference time domain method , optics , liquid crystal , birefringence , reflection (computer programming) , finite difference method , cholesteric liquid crystal , materials science , maxwell's equations , bragg's law , finite difference , bandwidth (computing) , physics , computer science , diffraction , mathematics , mathematical analysis , classical mechanics , computer network , thermodynamics , programming language

The finite-difference time-domain (FDTD) method is a powerful numerical algorithm used to directly solve Maxwell's equations. We introduce the idea of the FDTD method and the techniques required for optical simulation of cholesteric liquid crystal (Ch-LC) devices. Bragg reflection characteristics of Ch-LC cells are investigated using the FDTD method. Three approaches to broadening the bandwidth of Bragg reflection are demonstrated: (1) using a higher birefringence LC, (2) using a cell with a gradient pitch length, and (3) using a cell with a new multidimensional structure of a Ch-LC.

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