Resonances in Axially Symmetric Dielectric Objects

Research output: Contribution to journalArticlepeer-review

Abstract

A high-order convergent and robust numerical solver is constructed and used to find complex eigenwavenumbers and electromagnetic eigenfields of dielectric objects with axial symmetry. The solver is based on Fourier-Nyström discretization of combined integral equations for the transmission problem and can be applied to demanding resonance problems at microwave, terahertz, and optical wavelengths. High achievable accuracy, even at very high wavenumbers, makes the solver ideal for benchmarking and for assessing the performance of general-purpose commercial software.

Original languageEnglish
Article number7857810
Pages (from-to)2214-2227
Number of pages14
JournalIEEE Transactions on Microwave Theory and Techniques
Volume65
Issue number7
DOIs
Publication statusPublished - 2017 Jul 1

Subject classification (UKÄ)

  • Electrical Engineering, Electronic Engineering, Information Engineering

Free keywords

  • Axial symmetry
  • body of revolution
  • boundary integral equation (BIE)
  • dielectric resonator
  • electric field integral equation (EFIE)
  • magnetic field integral equation (MFIE)
  • Nyström method
  • whispering-gallery mode (WGM)

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