Magnetically tunable left handed metamaterials by liquid crystal orientation

Fuli Zhang; Lei Kang; Qian Zhao; Ji Zhou; Xiaopeng Zhao; Didier Lippens

doi:10.1364/OE.17.004360

Magnetically tunable left handed metamaterials by liquid crystal orientation

Fuli Zhang
, Lei Kang
, Qian Zhao
, Ji Zhou
, Xiaopeng Zhao
, Didier Lippens

School of Physical Science and Technology

Institut d'Electronique de Microélectronique et de Nanotechnologie (IEMN)
Northwestern Polytechnical University Xian
Tsinghua University

Research output: Contribution to journal › Article › peer-review

81 Scopus citations

Abstract

The tunability of an omega-type left handed metamaterial was demonstrated at microwave frequencies via the magnetic control of liquid crystal (LC) orientation. From the experimental and simulation results, it is shown that the left handed pass-band can be tuned by 220 MHz by changing the orientation of LC molecules by 90°. A maximum index variation of 0.25 was obtained in the negative index regime with a measured LC birefringence of 0.05 in the 10 - 12GHz frequency band.

Original language	English
Pages (from-to)	4360-4366
Number of pages	7
Journal	Optics Express
Volume	17
Issue number	6
DOIs	https://doi.org/10.1364/OE.17.004360
State	Published - 16 Mar 2009

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abstract = "The tunability of an omega-type left handed metamaterial was demonstrated at microwave frequencies via the magnetic control of liquid crystal (LC) orientation. From the experimental and simulation results, it is shown that the left handed pass-band can be tuned by 220 MHz by changing the orientation of LC molecules by 90°. A maximum index variation of 0.25 was obtained in the negative index regime with a measured LC birefringence of 0.05 in the 10 - 12GHz frequency band.",

author = "Fuli Zhang and Lei Kang and Qian Zhao and Ji Zhou and Xiaopeng Zhao and Didier Lippens",

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AU - Zhang, Fuli

AU - Kang, Lei

AU - Zhao, Qian

AU - Zhou, Ji

AU - Zhao, Xiaopeng

AU - Lippens, Didier

PY - 2009/3/16

Y1 - 2009/3/16

N2 - The tunability of an omega-type left handed metamaterial was demonstrated at microwave frequencies via the magnetic control of liquid crystal (LC) orientation. From the experimental and simulation results, it is shown that the left handed pass-band can be tuned by 220 MHz by changing the orientation of LC molecules by 90°. A maximum index variation of 0.25 was obtained in the negative index regime with a measured LC birefringence of 0.05 in the 10 - 12GHz frequency band.

AB - The tunability of an omega-type left handed metamaterial was demonstrated at microwave frequencies via the magnetic control of liquid crystal (LC) orientation. From the experimental and simulation results, it is shown that the left handed pass-band can be tuned by 220 MHz by changing the orientation of LC molecules by 90°. A maximum index variation of 0.25 was obtained in the negative index regime with a measured LC birefringence of 0.05 in the 10 - 12GHz frequency band.

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M3 - 文章

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Magnetically tunable left handed metamaterials by liquid crystal orientation

Abstract

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