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Proceedings Paper

High-temperature superconducting thin film microwave circuits: fabrication, characterization, and applications
Author(s): Kul B. Bhasin; Joseph D. Warner; Robert R. Romanofsky; Vernon O. Heinen; Chris M. Chorey
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Paper Abstract

Epitaxial YBa2Cu3O7 films were grown on several microwave substrates. Surface resistance and penetration depth measurements were performed to determine the quality of these films. Here, the properties of these films on key microwave substrates are described. The fabrication and characterization of a microwave ring resonator circuit to determine transmission line losses are presented. Lower losses than those observed in gold resonator circuits were observed at temperatures lower than critical transition temperature. Based on these results, potential applications of microwave superconducting circuits such as filters, resonators, oscillators, phase shifters, and antenna elements in space communication systems are identified.

Paper Details

Date Published: 1 October 1990
PDF: 12 pages
Proc. SPIE 1292, Superconductivity Applications for Infrared and Microwave Devices, (1 October 1990); doi: 10.1117/12.21031
Show Author Affiliations
Kul B. Bhasin, NASA/Lewis Research Ctr. (United States)
Joseph D. Warner, NASA/Lewis Research Ctr. (United States)
Robert R. Romanofsky, NASA/Lewis Research Ctr. (United States)
Vernon O. Heinen, NASA/Lewis Research Ctr. (United States)
Chris M. Chorey, NASA/Lewis Research Ctr. (United States)

Published in SPIE Proceedings Vol. 1292:
Superconductivity Applications for Infrared and Microwave Devices
Kul B. Bhasin; Vernon O. Heinen, Editor(s)

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