A 94 GHz interferometer for use in establishing the upper critical field in YBCO

This paper describes a 94 GHz interferometer that was used to measure the change in the complex impedance in a thin-film, high-temperature superconductor (YBCO) when under the influence of an extremely high-pulsed magnetic field. It will review the design features necessary to meet the experimental...

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Bibliographic Details
Published in:Physica. B, Condensed matter Condensed matter, 1998-05, Vol.246, p.353-355
Main Authors: Zerwekh, W.D, Goettee, J.D
Format: Article
Language:English
Subjects:
94 Ghz interferometer
Upper critical field
YBCO
Online Access:Get full text
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Summary:This paper describes a 94 GHz interferometer that was used to measure the change in the complex impedance in a thin-film, high-temperature superconductor (YBCO) when under the influence of an extremely high-pulsed magnetic field. It will review the design features necessary to meet the experimental requirements, describe the circuit used, outline the experimental setup, and present a set of data obtained at 4 K.
ISSN:0921-4526
1873-2135
DOI:10.1016/S0921-4526(97)00933-2