Voltage tunable short wire-pair type of metamaterial infiltrated by nematic liquid crystal

Fuli Zhang; Qian Zhao; Weihong Zhang; Jingbo Sun; Ji Zhou; Didier Lippens

doi:10.1063/1.3496034

Voltage tunable short wire-pair type of metamaterial infiltrated by nematic liquid crystal

Fuli Zhang, Qian Zhao, Weihong Zhang, Jingbo Sun, Ji Zhou, Didier Lippens

School of Mechanical Engineering

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

63 Scopus citations

Abstract

In this letter, we report an experimental demonstration on voltage tunable short wire-pair metamaterial with negative permeability at microwave frequencies. After infiltrated by nematic liquid crystal, magnetic resonance of short wire-pair can be effectively tuned via relatively low static electric field. The results show, by increasing bias voltage from 0 to 100 V, magnetic resonance is continuously and reversibly shifted from 9.91 down to 9.55 GHz. Moreover, the effective permeability of metamaterial, for operation frequency around magnetic resonance, varies from negative to positive values. Numerical analysis has a good agreement with experimental results.

Original language	English
Article number	134103
Journal	Applied Physics Letters
Volume	97
Issue number	13
DOIs	https://doi.org/10.1063/1.3496034
State	Published - 27 Sep 2010

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title = "Voltage tunable short wire-pair type of metamaterial infiltrated by nematic liquid crystal",

abstract = "In this letter, we report an experimental demonstration on voltage tunable short wire-pair metamaterial with negative permeability at microwave frequencies. After infiltrated by nematic liquid crystal, magnetic resonance of short wire-pair can be effectively tuned via relatively low static electric field. The results show, by increasing bias voltage from 0 to 100 V, magnetic resonance is continuously and reversibly shifted from 9.91 down to 9.55 GHz. Moreover, the effective permeability of metamaterial, for operation frequency around magnetic resonance, varies from negative to positive values. Numerical analysis has a good agreement with experimental results.",

author = "Fuli Zhang and Qian Zhao and Weihong Zhang and Jingbo Sun and Ji Zhou and Didier Lippens",

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AU - Zhang, Fuli

AU - Zhao, Qian

AU - Zhang, Weihong

AU - Sun, Jingbo

AU - Zhou, Ji

AU - Lippens, Didier

PY - 2010/9/27

Y1 - 2010/9/27

N2 - In this letter, we report an experimental demonstration on voltage tunable short wire-pair metamaterial with negative permeability at microwave frequencies. After infiltrated by nematic liquid crystal, magnetic resonance of short wire-pair can be effectively tuned via relatively low static electric field. The results show, by increasing bias voltage from 0 to 100 V, magnetic resonance is continuously and reversibly shifted from 9.91 down to 9.55 GHz. Moreover, the effective permeability of metamaterial, for operation frequency around magnetic resonance, varies from negative to positive values. Numerical analysis has a good agreement with experimental results.

AB - In this letter, we report an experimental demonstration on voltage tunable short wire-pair metamaterial with negative permeability at microwave frequencies. After infiltrated by nematic liquid crystal, magnetic resonance of short wire-pair can be effectively tuned via relatively low static electric field. The results show, by increasing bias voltage from 0 to 100 V, magnetic resonance is continuously and reversibly shifted from 9.91 down to 9.55 GHz. Moreover, the effective permeability of metamaterial, for operation frequency around magnetic resonance, varies from negative to positive values. Numerical analysis has a good agreement with experimental results.

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VL - 97

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Voltage tunable short wire-pair type of metamaterial infiltrated by nematic liquid crystal

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