19–24 May 2024
Music City Center
US/Central timezone

Design, realization and high power RF test of the new brazed free C band photo-gun

THAN1
23 May 2024, 09:30
20m
Room 104 (Music City Center)

Room 104

Music City Center

201 Rep. John Lewis Way S, Nashville, TN 37203, USA
Contributed Oral Presentation MC3.T02 Electron Sources THAN: Novel Particle Sources and Acceleration Techniques (Contributed)

Speaker

David Alesini (Istituto Nazionale di Fisica Nucleare)

Description

RF photo-gun are the electron beam sources of FELs or Compton facilities. They are key components and, presently, the RF technology mostly used for these devices is the S band (3 GHz) with typical cathode peak fields of 80-120 MV/m and repetition rates lower than 100-120 Hz. An innovative C-Band (5.712 GHz) RF gun aiming at reaching cathode peak field larger than 160 MV/m, with repetition rates exceeding the 400 Hz, has been designed, realized and high power tested in the context of the European I.FAST and INFN Commission V projects. It is a 2.5 cell standing wave cavity with a four-port mode launcher, designed to operate with short RF pulses (300 ns). Its realization is based on the new brazed-free technology developed and successfully tested at INFN. In the paper, after a short overview of the design and RF gun capabilities, we illustrate the realization procedure and the results of the high power RF tests that have been done at the high power C band test facility at PSI (Switzerland).

Funding Agency

European Union’s Horizon 2020 Research and Innovation program under GA No101004730 and from the INFN Commission V

Region represented Europe
Paper preparation format Word

Primary author

David Alesini (Istituto Nazionale di Fisica Nucleare)

Co-authors

Alessandro Gallo (Istituto Nazionale di Fisica Nucleare) Alessandro Vannozzi (Istituto Nazionale di Fisica Nucleare) Alessio Gizzi (Istituto Nazionale di Fisica Nucleare) Andrea Liedl (Istituto Nazionale di Fisica Nucleare) Anna Giribono (Istituto Nazionale di Fisica Nucleare) Carl Beard (Paul Scherrer Institut) Cristina Vaccarezza (Istituto Nazionale di Fisica Nucleare) Fabio Cardelli (Istituto Nazionale di Fisica Nucleare) Gianluca Di Raddo (Istituto Nazionale di Fisica Nucleare) Luca Ficcadenti (Sapienza University of Rome) Luca Piersanti (Istituto Nazionale di Fisica Nucleare) Luigi Faillace (Istituto Nazionale di Fisica Nucleare) Luigi Pellegrino (Istituto Nazionale di Fisica Nucleare) Marco Pedrozzi (Paul Scherrer Institut) Massimo Ferrario (Istituto Nazionale di Fisica Nucleare) Paolo Craievich (Paul Scherrer Institut) Stefano Lauciani (Istituto Nazionale di Fisica Nucleare) Thomas Lucas (Paul Scherrer Institute) Valerio Lollo (Istituto Nazionale di Fisica Nucleare)

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