Extracting Material Properties from a Liquid Crystal Cell Using Terahertz Spectroscopy

Dunn, A orcid.org/0000-0002-7369-1469, Zhang, Z, Horbury, MD et al. (12 more authors) (2022) Extracting Material Properties from a Liquid Crystal Cell Using Terahertz Spectroscopy. In: Proceedings of the 2022 47th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz). 2022 47th International Conference on Infrared, Millimeter and Terahertz Waves, 28 Aug - 02 Sep 2022, Delft, Netherlands. IEEE ISBN 978-1-7281-9428-8

Abstract

Liquid crystal materials that demonstrate birefringence at terahertz frequencies present an opportunity for the development of adaptive terahertz optics. Liquid crystal devices often consist of several optical layers surrounding a thin liquid crystal film, which can make extraction of the material parameters challenging. Using broadband THz spectroscopy, we present a thin-film analysis of a liquid crystal device with a commercially available liquid crystal material (E7), up to 4 THz.

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Item Type:	Proceedings Paper
Authors/Creators:	Dunn, A https://orcid.org/0000-0002-7369-1469 Zhang, Z Horbury, MD Nuttall, E Han, Y Salih, M Li, L https://orcid.org/0000-0003-4998-7259 Bond, A Saleh, E https://orcid.org/0000-0001-9930-5055 Harris, R https://orcid.org/0000-0002-3425-7969 Pardo, D Ellison, B Burnett, AD https://orcid.org/0000-0003-2175-1893 Gleeson, HF https://orcid.org/0000-0002-7494-2100 Valavanis, A https://orcid.org/0000-0001-5565-0463
Copyright, Publisher and Additional Information:	© 2022 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Dates:	Published: 26 September 2022 Published (online): 26 September 2022 Accepted: 13 May 2022
Institution:	The University of Leeds
Academic Units:	The University of Leeds > Faculty of Engineering & Physical Sciences (Leeds) > School of Chemistry (Leeds) > Physical Chemistry (Leeds) The University of Leeds > Faculty of Engineering & Physical Sciences (Leeds) > School of Electronic & Electrical Engineering (Leeds) > Pollard Institute (Leeds) The University of Leeds > Faculty of Engineering & Physical Sciences (Leeds) > School of Mechanical Engineering (Leeds) > Future Manufacturing Processes (Leeds) The University of Leeds > Faculty of Engineering & Physical Sciences (Leeds) > School of Physics and Astronomy (Leeds) > Soft Matter Physics (Leeds)
Funding Information:	Funder Grant number UK Space Agency Not Known MRC (Medical Research Council) MR/S015833/1 EPSRC (Engineering and Physical Sciences Research Council) EP/P007449/1
Depositing User:	Symplectic Publications
Date Deposited:	26 May 2022 08:31
Last Modified:	08 Aug 2023 01:14
Status:	Published
Publisher:	IEEE
Identification Number:	10.1109/IRMMW-THz50927.2022.9895847
Open Archives Initiative ID (OAI ID):	oai:eprints.whiterose.ac.uk:187230

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Extracting Material Properties from a Liquid Crystal Cell Using Terahertz Spectroscopy

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