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A simple experimental set-up for the determination of the complex dielectric permittivity of biological tissues at microwave frequencies

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Sebastián Franco, José Luis and Muñoz San Martín, Sagrario and Miranda Pantoja, José Miguel (2004) A simple experimental set-up for the determination of the complex dielectric permittivity of biological tissues at microwave frequencies. In European Microwave Conference. Horizon House Publications Ltd, pp. 661-663. ISBN 1-58053-992-0

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Official URL: http://0-ieeexplore.ieee.org.cisne.sim.ucm.es/xpls/abs_all.jsp?arnumber=1418903&tag=1


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Abstract

In this paper a simple experimental set-up is presented to determine the complex dielectric permittivity of biological tissues at the industrial frequency of 2.45 GHz. For this purpose, the scattering parameters of biological samples, which are placed in a sample holder inside a waveguide, are measured and compared with those obtained from numerical analysis of the sample using a FE technique with an adaptive mesh. Systematic errors are minimized by a precise calibration of the experimental system. The results obtained are in very good agreement with well-known published data. The simplicity of the experimental set-up makes this technique a very practical tool for detecting and quantifying changes in the complex dielectric permittivity of organs poisoned with heavy metal pollutants.


Item Type:Book Section
Additional Information:

European Microwave Conference (EuMC) (34.2004.Amsterdam, Holanda). © IOP Publishing Ltd. This work has been sponsored by the Ministerio de Ciencia y Tecnología, project FIT-070000-2002-135.

Uncontrolled Keywords:Engineering, Electrical & Electronic.
Subjects:Sciences > Physics > Electricity
Sciences > Physics > Electronics
ID Code:24562
Deposited On:17 Mar 2014 10:24
Last Modified:02 Sep 2020 11:00

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