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Ray-based optical visualisation of complex birefringent structures including energy transport
ID Poy, Guilhem (Author), ID Žumer, Slobodan (Author)

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Abstract
We propose an efficient method to simulate light propagation in lossless and non-scattering uniaxial birefringent media, based on a standard ray-tracing technique supplemented by a newly-derived transport equation for the electric field amplitude along a ray and a tailored interpolation algorithm for the reconstruction of the electromagnetic fields. We show that this algorithm is accurate in comparison to a full solution of Maxwell's equations when the permittivity tensor of the birefringent medium typically varies over a length much bigger than the wavelength. We demonstrate the usefulness of our code for soft matter by comparing experimental images of liquid crystal droplets with simulated bright-field optical micrographs, and conclude that our method is more general than the usual Jones method, which is only valid under polarised illumination conditions. We also point out other possible applications of our method, including liquid crystal based flat element design and diffraction pattern calculations for periodic liquid crystal samples.

Language:English
Keywords:soft matter physics, liquid crystals, optics, birefringence
Typology:1.01 - Original Scientific Article
Organization:FMF - Faculty of Mathematics and Physics
Publication status:Published
Publication version:Version of Record
Year:2019
Number of pages:Str. 3659-3670
Numbering:Vol. 15, no. 18
PID:20.500.12556/RUL-107824 This link opens in a new window
UDC:535
ISSN on article:1744-683X
DOI:10.1039/c8sm02448k This link opens in a new window
COBISS.SI-ID:32291367 This link opens in a new window
Publication date in RUL:28.05.2019
Views:1197
Downloads:569
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Record is a part of a journal

Title:Soft matter
Publisher:Royal Society of Chemistry
ISSN:1744-683X
COBISS.SI-ID:19616551 This link opens in a new window

Licences

License:CC BY 4.0, Creative Commons Attribution 4.0 International
Link:http://creativecommons.org/licenses/by/4.0/
Description:This is the standard Creative Commons license that gives others maximum freedom to do what they want with the work as long as they credit the author.
Licensing start date:28.05.2019

Secondary language

Language:Slovenian
Keywords:fizika mehke snovi, tekoči kristali, optika, dvolomnost

Projects

Funder:EC - European Commission
Funding programme:H2020
Project number:834256
Name:Interacting optical and topological solitons in frustrated cholesterics
Acronym:OPTOSOL

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