{"title":"Refraction of light on flat boundary of liquid crystals or anisotropic metamaterials","authors":"A. Bregar, Timothy J. White, M. Ravnik","doi":"10.1080/21680396.2017.1341353","DOIUrl":null,"url":null,"abstract":"ABSTRACT Refraction of light at a boundary between an isotropic dielectric and an optically anisotropic material – liquid crystalline or metamaterial – is elaborated, especially the dependence on the angle between the anisotropic material birefringence optical axis and the material surface. Different regimes of negative and positive refraction are shown, caused by the liquid-crystalline optical response or potential negative-positive anisotropic metamaterial, identifying distinct regimes of refraction and reflection. The theoretical analysis is verified with finite-difference time-domain simulations and presented in the context of selected related literature. More broadly, this work is a contribution towards developing and understanding anisotropic liquid crystal-type soft metamaterials to achieve novel photonic phenomena based on optical anisotropy.","PeriodicalId":18087,"journal":{"name":"Liquid Crystals Reviews","volume":"5 1","pages":"53 - 68"},"PeriodicalIF":4.8000,"publicationDate":"2017-01-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/21680396.2017.1341353","citationCount":"7","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Liquid Crystals Reviews","FirstCategoryId":"88","ListUrlMain":"https://doi.org/10.1080/21680396.2017.1341353","RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"CHEMISTRY, PHYSICAL","Score":null,"Total":0}
引用次数: 7
Abstract
ABSTRACT Refraction of light at a boundary between an isotropic dielectric and an optically anisotropic material – liquid crystalline or metamaterial – is elaborated, especially the dependence on the angle between the anisotropic material birefringence optical axis and the material surface. Different regimes of negative and positive refraction are shown, caused by the liquid-crystalline optical response or potential negative-positive anisotropic metamaterial, identifying distinct regimes of refraction and reflection. The theoretical analysis is verified with finite-difference time-domain simulations and presented in the context of selected related literature. More broadly, this work is a contribution towards developing and understanding anisotropic liquid crystal-type soft metamaterials to achieve novel photonic phenomena based on optical anisotropy.
期刊介绍：
Liquid Crystals Reviews publishes review articles on all aspects of liquid crystal fundamentals and applied science, including experimental and theoretical studies of physical and chemical properties, molecular design and synthesis and engineering of liquid crystal devices. The Journal fosters cross-disciplinary exchange of ideas, encouraging authors to present material at a level accessible to specialists from other fields of science and engineering. Liquid Crystals Reviews provides the scientific community, in both academia and industry, with a publication of standing, guaranteed by the Editors and by the International Editorial Board who are active scientists in the worldwide liquid crystal community.
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