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Tejinder Kaur¹, Diana Angelica Vargas Miguel¹, Jose Luis Olvera-Cervantes²

¹College of Science and Technology, Universidad Autónoma de la Ciudad de México, Ciudad de México, Mexico.

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Summary

This study introduces a novel dual-mode sensor for dielectric characterization. The sensor accurately measures dielectric constant and loss tangent using distinct resonator modes for sample and identification line properties.

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Area of Science:

Electrical Engineering
Materials Science
Electromagnetics

Background:

Dielectric characterization is crucial for material analysis.
Existing sensors may have limitations in accuracy or versatility.
Dual-mode sensors offer potential for enhanced measurement capabilities.

Purpose of the Study:

To present a new dual-mode sensor for dielectric characterization.
To enable accurate measurement of dielectric constant and loss tangent.
To demonstrate the sensor's ability to decouple sample properties from identification line effects.

Main Methods:

A dual-mode resonator sensor design was developed.
The even mode of the resonator was utilized for dielectric constant measurement.
The odd mode, loaded with identification (ID) transmission lines, was used for distinct ID combinations.
Resonator modes were designed to be insensitive to unwanted parameters.

Main Results:

The sensor successfully measured the dielectric constant of a sample.
The loss tangent was also accurately determined.
The even mode resonances showed insensitivity to ID resonator loading.
The odd mode resonances were insensitive to sample characteristics.

Conclusions:

The proposed dual-mode sensor is effective for dielectric characterization.
The sensor design allows for independent measurement of dielectric properties.
This sensor offers a promising approach for material analysis.