Applied field/frequency dependency of propagation in axially magnetized ferrite waveguides

Applied field/frequency dependency of propagation in axially magnetized ferrite waveguides

Vector finite-element solvers are used to calculate the phase shift in uniform axially magnetized gryomagnetic waveguides. Ferrite characteristics are specified in terms of the applied field, frequency, and material characteristics, including saturation magnetization and data from the hysteresis cur...

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Veröffentlicht in:IEEE transactions on microwave theory and techniques 1993-12, Vol.41 (12), p.2092-2098
Hauptverfasser: Dillon, B.M., Gibson, A.A.P.
Format: Artikel
Sprache:eng
Schlagworte:
Applied sciences
Boundary conditions
Circuit properties
Electric, optical and optoelectronic circuits
Electronics
Exact sciences and technology
Ferrites
Finite element methods
Frequency
Geometry
Magnetic analysis
Magnetic materials
Microwave circuits, microwave integrated circuits, microwave transmission lines, submillimeter wave circuits
Phase shifters
Planar waveguides
Saturation magnetization
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Beschreibung
Zusammenfassung:Vector finite-element solvers are used to calculate the phase shift in uniform axially magnetized gryomagnetic waveguides. Ferrite characteristics are specified in terms of the applied field, frequency, and material characteristics, including saturation magnetization and data from the hysteresis curve. Periodic boundary conditions are used to reduce the size of the meshed region. Calculations are compared with experimental results for two typical waveguide cross-sections: a quadruple-ridge Faraday rotation section and a reciprocal Reggia-Spencer section.< >
ISSN:0018-9480
1557-9670
DOI:10.1109/22.260692