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Compact Dielectric-Permittivity Sensors of Liquid Samples Based on Substrate-Integrated-Waveguide with Negative-Order-Resonance

  • Humberto Lobato-Morales
  • , Jun H. Choi
  • , Hanseung Lee
  • , Jose Luis Medina-Monroy
  • Centro de Investigacion Cientifica y de Educacion Superior de Ensenada
  • Skyworks Solutions Inc.

Research output: Contribution to journalArticlepeer-review

52 Scopus citations

Abstract

This paper presents the design and experimental test of dielectric permittivity sensors based on negative-order-resonances (NOR), which is supported by composite-right-left-hand (CRLH) structures. The proposed type of sensors is realized using high quality Q -factor CRLH substrate-integrated-waveguide (SIW) resonator. By using the first NOR, -1st mode, a significant level of miniaturization is obtained; and moreover, this mode presents higher sensitivity over the 0th and +1st modes. To validate the proposed concept, testing results for five liquid samples are presented.

Original languageEnglish
Article number8734100
Pages (from-to)8694-8699
Number of pages6
JournalIEEE Sensors Journal
Volume19
Issue number19
DOIs
StatePublished - Oct 1 2019

Keywords

  • Composite-right-left-hand structures
  • dielectric permittivity sensing
  • resonant sensors
  • substrate-integrated-waveguide

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