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Modelling the optics of high resolution liquid crystal devices by the finite differences in the frequency domain method

Yang, M; Day, SE; Fernández, FA; (2017) Modelling the optics of high resolution liquid crystal devices by the finite differences in the frequency domain method. In: Wang, V and So, K, (eds.) iWEM 2017: IEEE International Workshop on Electromagnetics: Applications and Student Innovation Competition: Proceedings. (pp. pp. 141-143). Institute of Electrical and Electronics Engineers (IEEE) Green open access

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Abstract

A procedure combining accurate liquid crystal and electromagnetic modelling is developed for the analysis of wave propagation through liquid crystal devices. This is required to study the optics of high resolution liquid crystal cells or cells containing very small features, where diffraction effects occur. It is also necessary for the study of optical waveguiding devices using liquid crystal as variable permittivity substrates. An accurate finite element modelling program is used to find the permittivity tensor distribution, which is then used to find the response of the device to an excitation electromagnetic field by means of a finite difference in the frequency domain (FDFD) approach.

Type: Proceedings paper
Title: Modelling the optics of high resolution liquid crystal devices by the finite differences in the frequency domain method
Event: iWEM 2017: IEEE International Workshop on Electromagnetics 2017: Applications and Student Innovation Competition, 30 May - 1 June 2017, London, UK
ISBN-13: 9781509063925
Open access status: An open access version is available from UCL Discovery
DOI: 10.1109/iWEM.2017.7968809
Publisher version: https://doi.org/10.1109/iWEM.2017.7968809
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: Liquid crystal modelling; Finite differences method; Wave propagation in anisotropic inhomogeneous media; Liquid crystal optics
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Electronic and Electrical Eng
URI: https://discovery.ucl.ac.uk/id/eprint/10026669
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