Propagation behaviour of periodically loaded waveguides containing dielectric and ferrimagnetic materials
作者:
P.J.B.Clarricoats,
M.I.Sobhy,
期刊:
Proceedings of the Institution of Electrical Engineers
(IET Available online 1968)
卷期:
Volume 115,
issue 5
页码: 652-661
年代: 1968
DOI:10.1049/piee.1968.0118
出版商: IEE
数据来源: IET
摘要:
The propagation behaviour is described of a number of periodically loaded circular waveguide structures containing either dielectric or axially magnetised ferrimagnetic material. The structures include the disc-loaded axial rod and tube. Dispersion characteristics are theoretically determined and the dependence of the lower and upper cutoff frequencies upon various structural and material parameters is studied. For the ferrite structure, two passbands are observed for each mode, one occurring below ferrimagnetic resonance, the other occurring above resonance. The centre frequency of the passband can be varied by changing the strength of the axial applied magnetic field. Experimental dispersion characteristics are shown for both dielectric and ferrite structures, and these are found to agree well with those predicted theoretically.
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