Conductive silver fabric as a shorting calibration standard for dielectric coaxial probes

González-Teruel, Juan D. ORCID: https://orcid.org/0000-0001-6746-2961; Sheng, Wenyi; Robinson, David A. ORCID: https://orcid.org/0000-0001-7290-4867; Jones, Scott B.. 2025 Conductive silver fabric as a shorting calibration standard for dielectric coaxial probes [in special issue: ISEMA 2023] Measurement, 244, 116482. 10, pp. 10.1016/j.measurement.2024.116482

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Official URL: https://doi.org/10.1016/j.measurement.2024.116482

Abstract/Summary

Dielectric measurements are of significant relevance in many areas of research and industry. The accuracy of dielectric sensors depends highly on their calibration. Traditional short-circuit standards for calibrating coaxial probes face challenges in practical application and interchangeability between probe geometries. We evaluated the use of a polyvalent electrically conductive silver fabric as a shorting standard for empirical calibration of open-ended and coaxial cell probes by comparing it with other materials. Results showed that the type of shorting material used was less critical with increasing probe size as observed in the case of open-ended coaxial probes and that silver fabric was more consistent than other materials across probe geometries. Silver fabric demonstrated high accuracy at frequencies below 100 MHz for the coaxial cell. We also demonstrated the need for including a shorting standard in the empirical calibration of coaxial probes to account for dielectric relaxation phenomena in the radio frequency bandwidth.

Item Type:	Publication - Article
Digital Object Identifier (DOI):	10.1016/j.measurement.2024.116482
UKCEH and CEH Sections/Science Areas:	Environmental Pressures and Responses (2025-)
ISSN:	0263-2241
Additional Keywords:	open-ended coaxial probe, coaxial cell probe, dielectric permittivity, silver fabric, calibration, shorting standard
NORA Subject Terms:	Electronics, Engineering and Technology
Date made live:	02 Jan 2025 13:32 +0 (UTC)
URI:	https://nora.nerc.ac.uk/id/eprint/538612

Item Type:

Publication - Article

Digital Object Identifier (DOI):

10.1016/j.measurement.2024.116482

UKCEH and CEH Sections/Science Areas:

Environmental Pressures and Responses (2025-)

ISSN:

0263-2241

Additional Keywords:

open-ended coaxial probe, coaxial cell probe, dielectric permittivity, silver fabric, calibration, shorting standard

NORA Subject Terms:

Electronics, Engineering and Technology