Dielectric Measurement of Liquids at Microwave Frequencies
- 1 April 1948
- journal article
- research article
- Published by AIP Publishing in The Journal of Chemical Physics
- Vol. 16 (4), 364-371
- https://doi.org/10.1063/1.1746891
Abstract
A method of measuring the dielectric properties of medium and high loss liquids at microwave frequencies is described. In this method the liquid sample is placed in an open circuit-terminated section of wave-guide and standing wave-ratios are measured at intervals as the length of the dielectric liquid column in the wave guide is changed. The method of measuring the wave-length of the radiation in the liquid-filled wave guide is indicated. A simple procedure for calculating the dielectric properties from these measurements is presented. Some dielectric properties of liquids measured with this method at 3-cm wave-length are given.Keywords
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