Title :
Dynamic measurement of permittivity and permeability using ferrite loaded cavity
Author :
Nikawa, Yoshio ; Nakamura, Shigenari
Author_Institution :
Grad. Sch. of Eng., Kokushikan Univ., Tokyo, Japan
Abstract :
A new tuning method using a ferrite loaded cavity resonator is applied for dynamic measurement of complex permittivity and permeability of testing material. The resonant frequency of the cavity can be changed by the DC current applied to the electromagnet setting outside which load the magnetic field on the ferrite disk in the cavity. The characteristics of the cavity are shown with the measurement result of temperature dependent complex permittivity and permeability of material under microwave processing.
Keywords :
electromagnetic devices; ferrite devices; magnetic permeability; magnetic variables measurement; materials testing; permittivity measurement; DC current; electromagnet setting; ferrite loaded cavity resonator; material testing; microwave processing; permeability dynamic measurement; permittivity dynamic measurement; tuning method; Cavity resonators; Microwave measurement; Permeability; Permittivity; Permittivity measurement; Temperature measurement; Testing; Cavity resonators; Ferrites; Materials processing; Microwave measurements;
Conference_Titel :
Microwave Symposium Digest (IMS), 2013 IEEE MTT-S International
Conference_Location :
Seattle, WA
Print_ISBN :
978-1-4673-6177-4
DOI :
10.1109/MWSYM.2013.6697666
