Non-destructive resonant technique for the measurement of complex permittivity - Theoretical analysis and experimental results
Abstract
A technique for measuring the complex permittivity of materials is described in which the measured quantities can be directly related to the unknown permittivity, using an accurate theoretical analysis of the electromagnetic field distribution in the measurement structure. The technique employs an iris-terminated resonant section of waveguide in contact with the metal-backed sample. The validity of the described technique is verified by the correspondence between theory and experiments.
- Publication:
-
Microwaves in Service to Man
- Pub Date:
- 1975
- Bibcode:
- 1975msmi.symp..100D
- Keywords:
-
- Dielectrics;
- Electrical Measurement;
- Microwave Transmission;
- Nondestructive Tests;
- Permittivity;
- Resonance Testing;
- Q Factors;
- Rectangular Waveguides;
- Resonant Frequencies;
- Waveguides;
- Electronics and Electrical Engineering