Experimental verification of a tunable optical negative refraction in nematic liquid crystals

Lei Kang; Qian Zhao; Bo Li; Ji Zhou; Hao Zhu

doi:10.1063/1.2736209

Experimental verification of a tunable optical negative refraction in nematic liquid crystals

Lei Kang, Qian Zhao, Bo Li, Ji Zhou, Hao Zhu

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23 Scopus citations

Abstract

The authors experimentally demonstrate a magnetically tunable optical negative refraction (NR) in nematic liquid crystals (NLCs), arising from the variation of optical anisotropy in the NLCs induced by external magnetic field. By measuring the refraction angle of the transmitted beam through the prism-shaped NLC device, the tunable extraordinary refractions for different molecular directions using magnetic field are observed. It shows that NR in NLCs occurs at certain inclination angle and can be tuned by changing the direction of the magnetic field, which is in good agreement with the established theory.

Original language	English (US)
Article number	181931
Journal	Applied Physics Letters
Volume	90
Issue number	18
DOIs	https://doi.org/10.1063/1.2736209
State	Published - 2007

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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10.1063/1.2736209

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title = "Experimental verification of a tunable optical negative refraction in nematic liquid crystals",

abstract = "The authors experimentally demonstrate a magnetically tunable optical negative refraction (NR) in nematic liquid crystals (NLCs), arising from the variation of optical anisotropy in the NLCs induced by external magnetic field. By measuring the refraction angle of the transmitted beam through the prism-shaped NLC device, the tunable extraordinary refractions for different molecular directions using magnetic field are observed. It shows that NR in NLCs occurs at certain inclination angle and can be tuned by changing the direction of the magnetic field, which is in good agreement with the established theory.",

author = "Lei Kang and Qian Zhao and Bo Li and Ji Zhou and Hao Zhu",

note = "Funding Information: This work is supported by the National Science Foundation of China under Grant Nos. 50425204, 90401012, and 60608016, the National Basic Research Program of China under Subproject No. 2002CB61306, and by the Postdoctoral Science Foundation under Grant No. 20060390043. Copyright: Copyright 2008 Elsevier B.V., All rights reserved.",

year = "2007",

doi = "10.1063/1.2736209",

language = "English (US)",

volume = "90",

journal = "Applied Physics Letters",

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T1 - Experimental verification of a tunable optical negative refraction in nematic liquid crystals

AU - Kang, Lei

AU - Zhao, Qian

AU - Li, Bo

AU - Zhou, Ji

AU - Zhu, Hao

N1 - Funding Information: This work is supported by the National Science Foundation of China under Grant Nos. 50425204, 90401012, and 60608016, the National Basic Research Program of China under Subproject No. 2002CB61306, and by the Postdoctoral Science Foundation under Grant No. 20060390043. Copyright: Copyright 2008 Elsevier B.V., All rights reserved.

PY - 2007

Y1 - 2007

N2 - The authors experimentally demonstrate a magnetically tunable optical negative refraction (NR) in nematic liquid crystals (NLCs), arising from the variation of optical anisotropy in the NLCs induced by external magnetic field. By measuring the refraction angle of the transmitted beam through the prism-shaped NLC device, the tunable extraordinary refractions for different molecular directions using magnetic field are observed. It shows that NR in NLCs occurs at certain inclination angle and can be tuned by changing the direction of the magnetic field, which is in good agreement with the established theory.

AB - The authors experimentally demonstrate a magnetically tunable optical negative refraction (NR) in nematic liquid crystals (NLCs), arising from the variation of optical anisotropy in the NLCs induced by external magnetic field. By measuring the refraction angle of the transmitted beam through the prism-shaped NLC device, the tunable extraordinary refractions for different molecular directions using magnetic field are observed. It shows that NR in NLCs occurs at certain inclination angle and can be tuned by changing the direction of the magnetic field, which is in good agreement with the established theory.

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JF - Applied Physics Letters

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Experimental verification of a tunable optical negative refraction in nematic liquid crystals

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