Excitation of Microwave Vortices by Ferrite Disks: the Near-Field and Far-Field Application Problems

Research output: Contribution to journalArticlepeer-review

Abstract

A small FMR ferrite disk strongly perturbs the cavity field. Graphical representation of the Poynting vector shows that due to the vortex structure the absorption cross-section of a ferrite particle can be much bigger than its geometrical cross-section. Spectral properties of magnetic oscillations in a ferrite disk show unique vortex structures for MS-wave functions.

Original languageEnglish
Pages (from-to)45-52
Number of pages8
JournalInternational Journal of Microwave and Optical Technology
Volume1
Issue number1
StatePublished - 1 Jun 2006

Keywords

  • MS-wave oscillations
  • ferromagnetic resonance
  • microwave vortices

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