Actions for A sapphire loaded TE011 cavity for surface impedance measurements [electronic resource] : design, construction, and commissioning status

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A sapphire loaded TE011 cavity for surface impedance measurements [electronic resource] : design, construction, and commissioning status

Published
Washington, D.C. : United States. Dept. of Energy. Office of Energy Research, 2005.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Additional Creators
Thomas Jefferson National Accelerator Facility (U.S.), United States. Department of Energy. Office of Energy Research, and United States. Department of Energy. Office of Scientific and Technical Information
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Summary
In order to measure the superconducting surface properties of niobium that are of interest to SRF applications, a facility which utilizes a Nb cavity operating in the TE011 mode at 7.65 GHz which provides a well-defined RF field on a disk shaped sample has been designed and fabricated. The RF losses due to the sample's surface impedance are determined by using a calorimetric technique. The system has the capability to measure such properties as Rs,(T), and penetration depth, which can then be correlated with surface properties and preparation processes. The design, fabrication, and results from initial commissioning operations will be discussed, along with the near term sample evaluation program.
Report Numbers
E 1.99:jlab-acc-05-447
E 1.99: doe/er/40150-3629
doe/er/40150-3629
jlab-acc-05-447
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Note
Published through SciTech Connect.
07/10/2005.
"jlab-acc-05-447"
" doe/er/40150-3629"
12th SRF Workshop, Cornell University, July 10, 2005.
G. K. Davis; L. Phillips; G. Wu; H. Wang; J. R. Delayen; T. Plawski; J. P. Ozelis.
Funding Information
AC05-84ER40150
View MARC record | catkey: 14681995