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  • Electronic Resource  (2)
  • 1985-1989  (2)
  • 1988  (2)
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  • Electronic Resource  (2)
Years
  • 1985-1989  (2)
Year
  • 1
    Electronic Resource
    Electronic Resource
    Superconducting rf cavity in a dc magnetic field (1988)
    [S.l.] : American Institute of Physics (AIP)
    Review of Scientific Instruments 59 (1988), S. 2100-2101 
    Details
    ISSN: 1089-7623
    Source: AIP Digital Archive
    Topics: Physics , Electrical Engineering, Measurement and Control Technology
    Notes: A superconducting (SC) rf cavity has been operated in the presence of an external magnetic field up to 2.4 kG. Measurements on the 48.5-MHz cavity were performed at 4.2 K. The external field was produced by an unshielded 60-kG superconducting solenoid 5.8 cm from the cavity. No degradation of cavity Q was observed for fields on the outer surface of the cavity up to 1240 G. This result is consistent with no flux penetration of the cavity surface for fields up to the first critical field of niobium at 4.2 K, and shows that strong focusing elements with large fringing magnetic fields may be placed immediately next to Nb SC accelerating structures without causing performance degradation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1140038
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    rf properties of an oxide-superconductor half-wave resonant line (1988)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 52 (1988), S. 930-932 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Cylindrical rods of YBa2Cu3O7−δ from 0.6 to 1.9 mm in diameter and up to 565 mm long have been used as the center conductor of a half-wave resonant coaxial line. The resonant line can be immersed in liquid nitrogen, which provides excellent cooling of the current-carrying superconducting surface, even in the presence of substantial rf losses. Such superconducting resonant lines have been operated at frequencies of a few hundred MHz and at rf surface magnetic fields up to 150 G at 77 K.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.99277
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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