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O'Shea, B.

Paper Title Page
WEPLS049 The Design of a Hybrid Photoinjector for High Brightness Beam Applications 2487
 
  • D. Alesini, M. Ferrario, V. Fusco, B. Spataro
    INFN/LNF, Frascati (Roma)
  • L. Ficcadenti, A. Mostacci, L. Palumbo
    Rome University La Sapienza, Roma
  • B. O'Shea, J.B. Rosenzweig, G. Travish
    UCLA, Los Angeles, California
  
  In this paper, we illustrate the electromagnetic and beam dynamics design procedure of a new class of photoinjector, a hybrid standing/traveling wave structure. In this device a standing wave RF gun section is integrated with a downstream traveling wave structure through a coupling cell that feeds simultaneously the two sections. We discuss the advantages in RF and beam performance of the hybrid photoinjector compared to conventional systems. The electromagnetic design has been performed using the 2D and 3D electromagnetic codes Superfish and HFSS. Results of beam dynamics simulations in different operating conditions are also discussed.