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Appio, R.

Paper Title Page
MOPA02 Recent Commissioning Experience on the FERMI@Elettra First Bunch Compressor Area: Investigations of Beam Dynamics, Modeling and Control Software 26
 
  • S. Di Mitri, E. Allaria, R. Appio, L. Badano, D. Castronovo, M. Cornacchia, P. Craievich, S. Ferry, L. Froehlich, S.V. Milton, G. Penco, C. Scafuri, C. Spezzani, M. Trovò, M. Veronese
    ELETTRA, Basovizza
  • R. Bartolini
    Diamond, Oxfordshire
  • G. De Ninno, S. Spampinati
    University of Nova Gorica, Nova Gorica
  • P. Evtushenko
    JLAB, Newport News, Virginia
  • W.M. Fawley
    LBNL, Berkeley, California
  • L. Giannessi
    ENEA C.R. Frascati, Frascati (Roma)
  • A.A. Lutman
    DEEI, Trieste
  • M. Sjöström
    MAX-lab, Lund
  
 

Some experiences have recently been collected from the FERMI@elettra Free Electron Laser first bunch compressor area. This includes a magnetic compressor, diagnostics for the characterization of the longitudinal and transverse phase space and suitable optics for matching to the downstream part of the linac. We report on the beam dynamics investigations in comparison with the modeling as well as the high level software control that has allowed this experience.

  
WEPB41 First Operation of the FERMI@Elettra Bunch Length Monitor System 486
 
  • M. Veronese, R. Appio, T. Borden, G. Ciani, P. Craievich, R. De Monte, S. Di Mitri, M. Ferianis, G. Gaio, S. Grulja, G. Scalamera, M. Tudor
    ELETTRA, Basovizza
  
 

Both absolute and relative bunch length measurement are key information for FERMI@Elettra commissioning and operation. In this paper we present the relative Bunch Length Monitor (BLM) system that has been designed and implemented at Sincrotrone Trieste. The first BLM station has been installed downstream the first bunch magnetic compressor (BC1) of FERMI@Elettra. In this paper we report about the first operation of the BLM system; it is based on the power measurement of the coherent radiations. To allow for efficient performances in the extended range of the foreseen bunch lengths for FERMI@Elettra, the system has adopted a pyro detector for coherent edge radiation from the last dipole. Also, the coherent diffraction radiation generated in a ceramic gap located downstream of BC1 is detected by a set of mm-wave diodes. The design of the system, along with its layout, is presented as well as the first measurement results obtained from the FERMI@Elettra compressed bunches.