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Bontoiu, C.

Paper Title Page
TUPC080 Fermi Low-energy Transverse RF Deflector Cavity 1239
 
  • P. Craievich, S. Biedron, C. Bontoiu, S. Di Mitri, M. Ferianis, M. Veronese
    ELETTRA, Basovizza, Trieste
  • D. Alesini, L. Palumbo
    INFN/LNF, Frascati (Roma)
  • L. Ficcadenti
    Rome University La Sapienza, Roma
  • M. Petronio
    DEEI, Trieste
  
  The layout of FERMI@Elettra will include a transverse S-band RF deflector that will be located after the first bunch compressor (BC1) at 250 MeV. The deflector will operate in a vertical deflecting mode and coupled to a downstream dipole will be used to measure the electron bunch length and in particular to allow time-resolved beam quality measurements such as horizontal slice emittance and slice energy spread. In this paper we discuss the electron bunch deflection at 250 MeV taking into account the principal elements that dominate the selection of the transverse peak voltage specification: the finite transverse emittance, the resolution of OTR screens and the desired number of the slice divisions along the bunch that we wish to observe. The RF deflector proposed here is a frequency scaled version of the 5-cell standing wave SPARC structure.