Investigation of microwave propagation in high-temperature superconducting waveguides

G. Yassin, G. Jung, V. Dikovsky, I. Barboy, M. Kambara, D. A. Cardwell, S. Withington

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

It is well known that the boundary conditions of the electromagnetic fields on the surface of a superconductor are influenced by the field penetration into the material. In a series of recent publications, it has been suggested that this effect substantially influences the wave propagation in high-temperature superconducting waveguides, to the extent that the mode order becomes different than that predicted for perfect conductor waveguides. In this paper, we present experimental investigation of this effect. We show that the effect of superconductivity on the wave propagation in waveguides is very small for temperatures well below the transition temperature and away from cutoff. We also discuss the behavior of the waveguide near cutoff and very close to the transition temperature.

Original languageEnglish
Pages (from-to)413-415
Number of pages3
JournalIEEE Microwave and Wireless Components Letters
Volume11
Issue number10
DOIs
StatePublished - 1 Oct 2001

Keywords

  • Superconducting waveguides

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