Novel Sensors Based on the Symmetry Properties of Split Ring Resonators (SRRs)

被引：190

作者：

Naqui, Jordi ^{[1
]}

Duran-Sindreu, Miguel ^{[1
]}

Martin, Ferran ^{[1
]}

机构：

[1] Univ Autonoma Barcelona, CIMITEC, Dept Elect Engn, E-08193 Barcelona, Spain

来源：

SENSORS | 2011年 / 11卷 / 08期

关键词：

split ring resonators; metamaterials; coplanar waveguide; position sensors; angle sensors;

D O I：

10.3390/s110807545

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

The symmetry properties of split ring resonators (SRRs) are exploited for the implementation of novel sensing devices. The proposed structure consists of a coplanar waveguide (CPW) loaded with movable SRRs on the back substrate side. It is shown that if the SRRs are placed with the slits aligned with the symmetry plane of the CPW, the structure is transparent to signal propagation. However, if the symmetry is broken, a net axial magnetic field can be induced in the inner region of the SRRs, and signal propagation is inhibited at resonance. The proposed structures can be useful as alignment sensors, position sensors and angle sensors. This novel sensing principle is validated through experiment.

引用

页码：7545 / 7553

页数：9

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