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Proceedings Paper

Photoresponse of thin film high-Tc superconductors to far infrared laser radiation
Author(s): Gi. Schneider
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Paper Abstract

The photoresponse of granular Bi2Sr2CaCu2O8 and of epitaxial YBa2Cu3O7-δ thin films has been investigated at wavelengths between 10 μm and 944 μm. In addition to a bolometric signal we observe for the granular Bi-based films a nonbolometric response at temperatures T <80 K. The dependence of the signal on intensity, applied magnetic field and wavelength is consistent with an ac josephson effect occurring at the grain boundaries.

Paper Details

Date Published: 1 October 1991
PDF: 2 pages
Proc. SPIE 1576, 16th International Conference on Infrared and Millimeter Waves, 15760B (1 October 1991); doi: 10.1117/12.2297724
Show Author Affiliations
Gi. Schneider, Trinity College (Ireland)


Published in SPIE Proceedings Vol. 1576:
16th International Conference on Infrared and Millimeter Waves
Minh Quang Tran, Editor(s)

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