Presentation 2012-12-14
Measurement Method of Relative Permittivity and Permeability for a Ferrite Rod Using the TM and TE Modes in a Cylindrical Cavity
Hirokazu KAWABATA, Yoshio KOBATASHI,
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Abstract(in English) A measurement method using a pair of the TM and TE modes of cylindrical cavity is proposed to measure the accurate relative permittivity $\varepsilon_{r}$ and permeability $\mu_{r}$ of a ferrite rod. The method is based on the rigorous electromagnetic field analysis using the Ritz-Galerkin method to take into account the effects of the sample insertion holes of a cavity and both the material parameters, $\varepsilon_{r}$ and $\mu_{r}$. The comparison between the values obtained by the rigorous analysis and the perturbation method was also performed. The measurement results of a ferrite rod show the validity of the method.
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Keyword(in English) Cavity resonator / Permittivity / Permeability / Ferrite / Measurement method
Paper # MW2012-136
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Committee MW
Conference Date 2012/12/6(1days)
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Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Measurement Method of Relative Permittivity and Permeability for a Ferrite Rod Using the TM and TE Modes in a Cylindrical Cavity
Sub Title (in English)
Keyword(1) Cavity resonator
Keyword(2) Permittivity
Keyword(3) Permeability
Keyword(4) Ferrite
Keyword(5) Measurement method
1st Author's Name Hirokazu KAWABATA
1st Author's Affiliation TOMO Industrial Technology Center()
2nd Author's Name Yoshio KOBATASHI
2nd Author's Affiliation SUMTEC Inc
Date 2012-12-14
Paper # MW2012-136
Volume (vol) vol.112
Number (no) 355
Page pp.pp.-
#Pages 6
Date of Issue