Journal Paper 2023

Highly sensitive coplanar waveguide (CPW) reflective-mode phase-variation permittivity sensors based on weakly coupled step-impedance resonators (SIRs)

IEEE Transactions on Microwave Theory and Techniques

Pau Casacuberta Paris Vélez Jonathan Muñoz-Enano Lijuan Su Ferran Martín
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Abstract

This work presents highly sensitive CPW reflective-mode phase-variation permittivity sensors based on weakly coupled step-impedance resonators.

Keywords

Coplanar WaveguideStep-Impedance ResonatorsWeak CouplingPermittivity Sensing

Key Findings

Technical Achievements

  • ▸ CPW-based sensor design
  • ▸ Weakly coupled SIRs
  • ▸ Reflective-mode operation
  • ▸ High sensitivity measurement

Impact & Applications

  • ▸ Enhanced permittivity sensing
  • ▸ Improved sensor accuracy
  • ▸ Practical implementation
  • ▸ Material characterization

Methodology

CPW Design

Development of coplanar waveguide structures for enhanced sensing.

SIR Optimization

Optimization of step-impedance resonator coupling for high sensitivity.

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