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Title A TM01 Mode Launcher With Quadrupole Field Components Cancellation for High Brightness Applications
  • G. Castorina
    INFN-Roma1, Rome, Italy
  • A.D. Cahill, J.B. Rosenzweig
    UCLA, Los Angeles, California, USA
  • F. Cardelli, G. Franzinipresenter, A. Marcelli, B. Spataro
    INFN/LNF, Frascati (Roma), Italy
  • L. Celona, S. Gammino, G. Torrisi
    INFN/LNS, Catania, Italy
  • V.A. Dolgashev
    SLAC, Menlo Park, California, USA
  • L. Ficcadenti
    Rome University La Sapienza, Roma, Italy
  • M. Migliorati, A. Mostacci, L. Palumbo
    Sapienza University of Rome, Rome, Italy
  • G. Sorbello
    University of Catania, Catania, Italy
Abstract The R&D of high gradient radiofrequency (RF) devices is aimed to develop innovative accelerating structures based on new manufacturing techniques and materials in order to construct devices operating with the highest accelerating gradient. Recent studies have shown a large increase in the maximum sustained RF surface electric fields in copper structures operating at cryogenic temperatures. These novel approaches allow significant performance improvements of RF photoinjectors. Indeed the operation at high surface fields results in considerable increase of electron beam brilliance. This increased brilliance requires high field quality in the RF photoinjector and specifically in its power coupler. In this work we present a novel power coupler for the RF photoinjector. The coupler is a compact X-band TM01 mode launcher with a fourfold symmetry which minimized both the dipole and the quadrupole RF components.
Paper download THPAL009.PDF [0.342 MB / 3 pages]
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Conference IPAC2018, Vancouver, BC, Canada
Series International Particle Accelerator Conference (9th)
Proceedings Link to full IPAC2018 Proccedings
Session MC7 Poster Session
Date 03-May-18   09:00–12:00
Main Classification 07 Accelerator Technology
Sub Classification T31 Subsystems, Technology and Components, Other
Keywords network, GUI, quadrupole, gun, brightness
Publisher JACoW Publishing, Geneva, Switzerland
Editors Shane Koscielniak (TRIUMF, Vancouver, BC, Canada); Todd Satogata (JLab, Newport News, VA, USA); Volker RW Schaa (GSI, Darmstadt, Germany); Jana Thomson (TRIUMF, Vancouver, BC, Canada)
ISBN 978-3-95450-184-7
Published June 2018
Copyright © 2018 by JACoW, Geneva, Switzerland     CC-BY Creative Commons License
cc Creative Commons Attribution 3.0