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Metamaterial inspired miniaturized SIW resonator for sensor applications

  • Sen Yan
  • , Juncheng Bao
  • , Ilja Ocket
  • , Bart Nauwelaers
  • , Guy A.E. Vandenbosch
  • KU Leuven
  • Interuniversitair Micro-Elektronica Centrum

Research output: Contribution to journalArticlepeer-review

21 Scopus citations

Abstract

A planar substrate integrated waveguide (SIW) resonator is proposed in this letter. By loading a metamaterial inspired structure in a short section of an SIW, a miniaturized cavity (0.263 × 0.184 × 0.0063 λ0 3 at 2.39 GHz) with high quality factor (272.5) is obtained. The resonant modes of the cavity and their corresponding field distributions are analyzed. A resonator prototype has been fabricated and tested. The measured results agree well with the simulated ones. This cavity resonator has huge potential in sensor applications. A binary solvent water alcohol mixture is used to verify the sensor concept.

Original languageEnglish
Pages (from-to)313-316
Number of pages4
JournalSensors and Actuators A: Physical
Volume283
DOIs
StatePublished - 1 Nov 2018

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