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Differential Sensors Using Microstrip Lines Loaded With Two Split-Ring Resonators

delete2018-07-15
delete245
PRE
AI
A
Amir Ebrahimi *
J
James Scott
K
Kamran Ghorbani
DOI:10.1109/JSEN.2018.2840691delete
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Abstract

Abstract

En 中文
This paper presents a microwave sensor using a pair of split-ring resonators (SRRs). The sensor is designed by loading a microstrip transmission line by two identical SRRs on its sides. Differential permittivity sensing is performed by loading the SRRs with dielectric samples. One transmission notch is observed for the identical loads, whereas the non-identical samples produce two split notches. The sensor's operating principle is described through a circuit model analysis. A prototype of the designed sensor is fabricated and experimentally validated for verifying the differential sensing concept. The developed device can be used to compare or differentially characterize solid dielectric samples improving the robustness to environmental factors producing cross-sensitivity or miscalibration.
Keywords:
Differential measurement
metamaterial-inspired sensor
microwave sensor
split-ring resonator
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Journal

IEEE Sensors Journal cover
IEEE Sensors Journal
IF:
4.5
Papers:
2.1W
Citations:
7.3W

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