A method of measuring the dielectric properties of strongly absorbing substances from the reflection of electromagnetic radiation produced by the substances is proposed. The method is based on the use in the measuring circuit of a four-wave nonabsorbing dielectric plate situated a controlled distance from the surface of the measured substance.
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Translated from Metrologiya, No. 4, pp. 60–65, October–December, 2015.
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Kasimova, S.R. Measurements of the Dielectric Properties of Strongly Absorbing Substances at Microwave Frequencies. Meas Tech 58, 1372–1375 (2016). https://doi.org/10.1007/s11018-016-0901-9
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DOI: https://doi.org/10.1007/s11018-016-0901-9