RF CAVITIES FOR THE CHARACTERIZATION OF SUPERCONDUCTING MATERIALS

Authors
MUSENICH R DURANTE MJ GEMME G PARODI R FABBRICATORE P ZHANG B
Citation
R. Musenich et al., RF CAVITIES FOR THE CHARACTERIZATION OF SUPERCONDUCTING MATERIALS, Cryogenics, 34, 1994, pp. 777-780
Citations number
2
Categorie Soggetti
Physics, Applied",Thermodynamics
Journal title
Cryogenics → ACNP
ISSN journal
00112275
Volume
34
Year of publication
1994
Supplement
ICEC
Pages
777 - 780
Database
ISI
SICI code
0011-2275(1994)34:<777:RCFTCO>2.0.ZU;2-M
Abstract
Cylindrical and hemispherical copper cavities for the rf (about 10 GHz ) characterisation of superconducting material samples have been devel oped. The cavities, indirectly cooled, have removable top plates to ho st suitable samples. The whole devices work under vacuum and are coole d by conduction through the copper immersed in liquid helium. Measurem ents of surface resistance and frequency shift of Nb3Sn samples have b een performed as function of temperature. The measurement sensitivity, related to the Q measurement sensitivity and to the copper rf surface resistance as well as to the ratio between the geometry factor of bot h the sample and the cavity, is discussed.