NASA Logo

NTRS

NTRS - NASA Technical Reports Server

Back to Results
YBCO superconducting ring resonators at millimeter-wave frequenciesMicrostrip ring resonators operating at 35 GHz were fabricated from laser ablated YBCO films deposited on lanthanum aluminate substrates. They were measured over a range of temperatures and their performances compared to identical resonators made of evaporated gold. Below 60 Kelvin the superconducting strip performed better than the gold, reaching an unloaded Q approximately 1.5 times that of gold at 25 K. A shift in the resonant frequency follows the form predicted by the London equations. The Phenomenological Loss Equivalence Method is applied to the ring resonator and the theoretically calculated Q values are compared to the experimental results.
Document ID
19910069909
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Chorey, Christopher M.
(NASA Lewis Research Center Cleveland; Sverdrup Technology, Inc., Brook Park, OH, United States)
Kong, Keon-Shik
(Texas, University Austin, United States)
Bhasin, Kul B.
(NASA Lewis Research Center Cleveland, OH, United States)
Warner, J. D.
(NASA Lewis Research Center Cleveland, OH, United States)
Itoh, Tatsuo
(California, University Los Angeles, United States)
Date Acquired
August 14, 2013
Publication Date
September 1, 1991
Publication Information
Publication: IEEE Transactions on Microwave Theory and Techniques
Volume: 39
ISSN: 0018-9480
Subject Category
Electronics And Electrical Engineering
Accession Number
91A54532
Distribution Limits
Public
Copyright
Other

Available Downloads

There are no available downloads for this record.
No Preview Available