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Novel coupling structure for the resonant coaxial probe

Novel coupling structure for the resonant coaxial probe
Novel coupling structure for the resonant coaxial probe
Herein we present a technique for performing complex permittivity measurements with an overmoded, evanescently perturbed coaxial resonator at microwave frequencies. The design of a noninvasive electromagnetic coupling structure, which allows transmission measurements to be taken from one end of a resonant section of coaxial cable, is discussed in detail. Quasi-spectral information was obtained through the exploitation of higher order resonances, and complex permittivity measurements of a number of common industrial solvents were taken at multiple discrete frequencies between 1 and 8 GHz. A combination of experimental and simulated results was used also to characterise the device behavior. The high stability of temporal measurements, coupled with the robustness of the design, make this device ideal for analytical chemistry and industrial process control.
0018-9480
1699-1708
Rowe, David J.
a0e0fe82-5e29-42b8-b370-5236a722f015
Porch, Adrian
e84c59a9-0e83-4785-9118-200f30b02851
Barrow, David A.
4975dfcd-6b27-4900-a4c9-c348bf24fea9
Allender, Christopher J.
5bd7fef3-7275-4c47-bbca-a7d7a364f679
Rowe, David J.
a0e0fe82-5e29-42b8-b370-5236a722f015
Porch, Adrian
e84c59a9-0e83-4785-9118-200f30b02851
Barrow, David A.
4975dfcd-6b27-4900-a4c9-c348bf24fea9
Allender, Christopher J.
5bd7fef3-7275-4c47-bbca-a7d7a364f679

Rowe, David J., Porch, Adrian, Barrow, David A. and Allender, Christopher J. (2012) Novel coupling structure for the resonant coaxial probe. IEEE Transactions on Microwave Theory and Techniques, 60 (6), 1699-1708. (doi:10.1109/TMTT.2012.2189124).

Record type: Article

Abstract

Herein we present a technique for performing complex permittivity measurements with an overmoded, evanescently perturbed coaxial resonator at microwave frequencies. The design of a noninvasive electromagnetic coupling structure, which allows transmission measurements to be taken from one end of a resonant section of coaxial cable, is discussed in detail. Quasi-spectral information was obtained through the exploitation of higher order resonances, and complex permittivity measurements of a number of common industrial solvents were taken at multiple discrete frequencies between 1 and 8 GHz. A combination of experimental and simulated results was used also to characterise the device behavior. The high stability of temporal measurements, coupled with the robustness of the design, make this device ideal for analytical chemistry and industrial process control.

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More information

Published date: 2012
Organisations: Optoelectronics Research Centre

Identifiers

Local EPrints ID: 363106
URI: http://eprints.soton.ac.uk/id/eprint/363106
ISSN: 0018-9480
PURE UUID: 2f584091-f632-4acc-a619-c79802c7b1b0
ORCID for David J. Rowe: ORCID iD orcid.org/0000-0002-1167-150X

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Date deposited: 20 Mar 2014 11:53
Last modified: 09 Jan 2022 03:41

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Contributors

Author: David J. Rowe ORCID iD
Author: Adrian Porch
Author: David A. Barrow
Author: Christopher J. Allender

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