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EnglishBy using monochromatic sources of radiation we measured the reflectivity and transmission vs temperature behavior of YBaCuO thin film in the Far Infrared region in the range 300-20 K. A smooth change of optical properties is observed from critical temperature down to 40 K with an evident reduction of the losses for all the frequencies we examined. To analyze the use of YBaCuO films as semireflecting elements in submillimeter devices we made a preliminary study of the optical properties of the substrate in the same conditions. The permanence of the sample in a superconducting phase can be deduced from its room-temperature transmittance, as it changes drastically if some degeneracy occurs in the film.
| Autori interni: | ||
| Autori: | CARELLI G; IOLI N; MORETTI A; STRUMIA F | |
| Titolo: | OPTICAL-PROPERTIES OF YBACUO THIN-FILMS AT FAR-INFRARED MONOCHROMATIC LIGHT | |
| Anno del prodotto: | 1995 | |
| Digital Object Identifier (DOI): | 10.1007/BF02068799 | |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
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http://hdl.handle.net/11568/25579
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