Microwave Losses In High Tc Superconducting Microstrip Ring Resonators

June Takemoto; Floyd Oshita; Harold Fetterman; Paul Kobrin; Emilio Sovero

doi:10.1117/12.978529

18 November 1989 Microwave Losses In High Tc Superconducting Microstrip Ring Resonators

June Takemoto, Floyd Oshita, Harold Fetterman, Paul Kobrin, Emilio Sovero

Proceedings Volume 1039, 13th Intl Conf on Infrared and Millimeter Waves; (1989) https://doi.org/10.1117/12.978529
Event: 13th International Conference on Infrared and Millimeter Waves, 1987, Honolulu, HI, United States

Abstract

Microwave properties of high Tc superconducting films sputtered on MgO were measured using a closed-loop ring resonator circuit. Unloaded Q values of Y-Ba-Cu-O and Bi-Sr-Ca-Cu-O resonators were compared to gold plated resonators of identical design. The attenuation of yttrium-barium-copper oxide films on a MgO substrate is approximately 31% lower than gold films at 6.6 GHz and 33% lower at 19.2 GHz for temperatures below 50 K.

Citation Download Citation

June Takemoto, Floyd Oshita, Harold Fetterman, Paul Kobrin, and Emilio Sovero "Microwave Losses In High Tc Superconducting Microstrip Ring Resonators", Proc. SPIE 1039, 13th Intl Conf on Infrared and Millimeter Waves, (18 November 1989); https://doi.org/10.1117/12.978529

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