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Fabrication and Characterization of Superconducting Resonators

Fabrication and Characterization of Superconducting Resonators

Published on: May 21, 2016

Multi-parameter simultaneous extraction with a novel microwave sensor based on coupled resonators.

Carlos G Juan^1,2,3, Benjamin Potelon^4,5, Anyela Aquino^6,7

¹Univ. Brest, CNRS, Lab-STICC, UMR CNRS 6285, 29238, Brest, France. carlos.juan01@umh.es.

Scientific Reports

|October 4, 2024

Summary

This summary is machine-generated.

This study introduces a microwave sensor for simultaneously measuring dielectric permittivity, loss tangent, and thickness of solid samples. The novel device uses coupled resonators in a sandwich configuration for accurate material characterization.

Keywords:

Dataset Microwaves Multi-parameter measurement Permittivity Resonators Sensor

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Area of Science:

Microwave Engineering
Materials Science
Sensor Technology

Background:

Accurate characterization of material properties like dielectric permittivity, loss tangent, and thickness is crucial in various scientific and industrial applications.
Existing methods for multi-parameter sensing can be complex or limited in scope.
Development of integrated sensing solutions is an ongoing area of research.

Purpose of the Study:

To present a novel microwave resonant multi-parameter sensor.
To enable simultaneous extraction of dielectric permittivity, loss tangent, and thickness of homogeneous solid samples.
To validate a new sensing approach through simulation and experimental measurements.

Main Methods:

Design of a microwave sensor comprising three coupled resonators across two substrate boards.
Sample placement in a sandwich configuration between the substrate boards.
Development of an analysis method to extract material properties from the device's electrical response, considering resonator and coupling impacts.
Experimental calibration and testing using reference and unknown samples.

Main Results:

The proposed sensor successfully extracts dielectric permittivity, loss tangent, and thickness simultaneously.
The analysis method, validated by 990 simulations and 18 experimental measurements, shows good agreement.
The multi-parameter sensing approach is experimentally validated.

Conclusions:

The developed microwave resonant sensor offers a viable solution for simultaneous multi-parameter characterization of solid materials.
The proposed analysis method and calibration procedure are effective for accurate material property extraction.
This work demonstrates the potential of coupled resonator microwave sensors for advanced material analysis.