Verification of first circulation conditions of turnstile waveguide circulators using a finite-element solver

Joseph Helszajn, John Sharp

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

One means of adjusting the first circulation condition of any waveguide circulator is to have recourse to a finite-element (FE) solver. The purpose of this paper is to do so for each of the three possible geometries of the turnstile waveguide circulator. A complete statement of the first circulation condition also requires one of the susceptance slope parameter of the junction. This quantity is separately evaluated. The resonators under consideration are the side and apex coupled half-wave-long prism structures open circuited at each flat face and the conventional cylindrical geometry. The classic E-plane turnstile circulator using a prism resonator is also dealt with. The agreement between the existing literature and the FE adjustment is excellent. © 2005 IEEE.

Original languageEnglish
Pages (from-to)2309-2315
Number of pages7
JournalIEEE Transactions on Microwave Theory and Techniques
Volume53
Issue number7
DOIs
Publication statusPublished - Jul 2005

Keywords

  • Circulators
  • Finite elements (fes)
  • Gyromagnetic resonators
  • Nonreciprocal networks
  • Turnstile junctions

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