Gyromagnetic resonance graphical design data

Hlawiczka, P.; Mortis, A.R.

doi:10.1049/piee.1963.0091

Cited by 8 publications

(3 citation statements)

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“…One simplification of the problem is therefore to retain the spatial variations of the magnetisation other than that along the direction of the direct magnetic field intensity. The connection between the internal and external magnetic field maybe interpreted in terms of spatial varying demagnetising factors [13][14][15]. It is also necessary to have a connection between magnetisation and the elements of the tensor permeability as a prerequisite to any calculations.…”

Section: Discussionmentioning

confidence: 99%

“…High-peak-power devices are described in [10][11][12]. A typical ferrite slab is not, in general, uniformly magnetised even when placed in a uniform field and this shortcoming must also, strictly speaking, be separately catered for [13][14][15]. Some more recent exact calculations based on a three-dimensional finite element (FE) static formulation of its tensor description in connection with an electromagnetic solver can be found in [16][17][18].…”

Section: Introductionmentioning

confidence: 99%

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Phase in non‐reciprocal gyromagnetic waveguides using multiple ferrite tiles

Helszajn¹

2013

IET Microwaves, Antennas & Propagation

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The non‐reciprocal phase shifter in the design of the waveguide differential phase‐shift circulator consists of two or four suitably magnetised ferrite tiles on the top and bottom walls of the waveguide. It may be adjusted in terms of a reciprocal condition and a non‐reciprocal one. The first condition essentially fixes the geometry of a typical phase‐shift section except for the thickness of each ferrite tile; the second determines the connection between the split‐phase constants and the thickness of the tiles for parametric values of gyrotropy. The purpose here is to satisfy the first requirement of the two‐tile geometry using a calculation and to meet the second one by having recourse to measurements. It includes some preliminary experimental data on new four‐ and eight‐stacked ferrite tile structures. It is likely to prove of value in the design of large continuous wave power devices.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Phase in non‐reciprocal gyromagnetic waveguides using multiple ferrite tiles

Helszajn¹

2013

IET Microwaves, Antennas & Propagation

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“…where is the field reflected from the discontinuity, is the incident field and Pq is the reflection coefficient defined in Equation 20 and determined by Equation 21.…”

Section: Hinc E ^Incmentioning

confidence: 99%