ACTIVE SUPERCONDUCTIVE DEVICES

Active superconductive devices are formed having a variable conductive element in electromagnetic contact with a superconductor. In one embodiment, a variable ohmic conductive device, such as a photoconductor, is placed adjacent a superconductor. By varying the optical radiation on the photoconducto...

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Bibliographic Details
Main Authors HAMMOND, ROBERT, BRUCE, SCALAPINO, DOUGLAS, JAMES, SUN, JONATHAN, ZAN-HONG
Format Patent
LanguageEnglish
Published 15.06.1994
Edition5
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRICITY
RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
WAVEGUIDES
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Summary:Active superconductive devices are formed having a variable conductive element in electromagnetic contact with a superconductor. In one embodiment, a variable ohmic conductive device, such as a photoconductor, is placed adjacent a superconductor. By varying the optical radiation on the photoconductor, the electromagnetic environment adjacent the superconductor is changed, resulting in changed electrical properties. The superconductor may be patterned as a reject filter, with a photoconductor forming a microwave switch. Alternatively, a delay line plus variable ohmic element forms a phase shifter.
Bibliography:Application Number: EP19920914408