Dielectric waveguide resonator with a superconductive boundary layer

Cheng Liang Huang, Donald P. Butler

Research output: Contribution to journalArticlepeer-review

Abstract

Dielectric waveguide resonators have been shown to exhibit high Q’s, limited by the dielectric loss. High resonator Q is desirable in measuring the microwave attenuation of superconducting materials. The properties of a dielectric waveguide resonator with a superconductive boundary layer have been investigated. The microwave properties of YBaCuO and NbN thin films have been investigated by employing them as boundary layers on the dielectric waveguide. Transmission and reflection measurements on the dielectric waveguide resonator were performed from 20 - 40 GHz using a vector network analyzer. The temperature dependence of the loaded Q of the resonator was measured under weak coupling. The results were found to be in agreement with the predictions of the Drude model for T Te and the Mattis-Bardeen theory for T Te.

Original languageEnglish
Pages (from-to)1272-1275
Number of pages4
JournalIEEE Transactions on Magnetics
Volume27
Issue number2
DOIs
Publication statusPublished - 1991 Mar

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering

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