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Broadband electromagnetic characterization of a 100 traveling-wave electrode by measuring scattering parameters

Abstract : The Single Bunch Selector (SBS) will be used on the Spiral2 linear accelerator to reduce the rate of high energy bunches reaching the target with, in principle, no residual particles from the suppressed bunches. For this purpose, a pulsed electromagnetic wave will travel along the 100 microstrip meander line electrode of the SBS. In this work we describe the broadband accurate characterization of the electrode electromagnetic features. The method applied here leads to the analytical determination of complex characteristic impedance, propagation constant, and group velocity from a measurement of the 50 scattering parameters on the meander transmission line. Particular care is given to the de-embedding phase of the transitions required to connect the meander electrode to the measurement device.
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http://hal.in2p3.fr/in2p3-00854478
Contributor : Michel Lion <>
Submitted on : Tuesday, August 27, 2013 - 12:54:50 PM
Last modification on : Saturday, June 20, 2020 - 4:18:04 PM

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F. Consoli, P. Balleyguier, M. Di Giacomo. Broadband electromagnetic characterization of a 100 traveling-wave electrode by measuring scattering parameters. Physical Review Special Topics - Accelerators and Beams, 2013, 16, pp.072001. ⟨10.1103/PhysRevSTAB.16.072001⟩. ⟨in2p3-00854478⟩

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