Determining the complex permittivity and the complex permeability of magnetodielectric materials in the range of centimeter and decimeter waves

Galina N. Lebedeva

doi:10.1117/12.390671

6 July 2000 Determining the complex permittivity and the complex permeability of magnetodielectric materials in the range of centimeter and decimeter waves

Galina N. Lebedeva

Author Affiliations +

Proceedings Volume 4129, Subsurface Sensing Technologies and Applications II; (2000) https://doi.org/10.1117/12.390671
Event: International Symposium on Optical Science and Technology, 2000, San Diego, CA, United States

Abstract

The relatively simple measuring methods for determining the complex permittivity and the complex permeability of magnetodielectric materials are presented. Measurement must be done with each sample of any magnetodielectric by two methods: the short circuit method and the idling method. For measurements by the short circuit method, a magnetodielectric sample is placed in the measuring waveguide near the short circuit end. For measurements by the idling method, a magnetodielectric sample is placed in the measuring waveguide at a quarter of the wavelength distance from the short circuit end. The measurements are taken equally for both methods. The measuring waveguide (with a sample) is connected to the standard measuring line. The other end of the measuring line is connected to a transmitter. A transmitter radiates waves of a given frequency, they are reflected by the short circuit end of a measuring waveguide containing a magnetodielectric sample and standing waves are set up. Standing wave parameters can be measured by the standard measuring line and the indicator.

Citation Download Citation

Galina N. Lebedeva "Determining the complex permittivity and the complex permeability of magnetodielectric materials in the range of centimeter and decimeter waves", Proc. SPIE 4129, Subsurface Sensing Technologies and Applications II, (6 July 2000); https://doi.org/10.1117/12.390671

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