Author: Paramonov, V.V.
Paper Title Page
MOP011 Status of CLARA, a New FEL Test Facility 49
 
  • J.A. Clarke, D. Angal-Kalinin, A.D. Brynes, R.K. Buckley, S.R. Buckley, L.S. Cowie, D.J. Dunning, B.D. Fell, P. Goudket, A.R. Goulden, P.C. Hornickel, F. Jackson, S.P. Jamison, J.K. Jones, K.B. Marinov, P.A. McIntosh, J.W. McKenzie, K.J. Middleman, B.L. Militsyn, A.J. Moss, B.D. Muratori, M.D. Roper, L.K. Rudge, Y.M. Saveliev, B.J.A. Shepherd, R.J. Smith, S.L. Smith, E.W. Snedden, M. Surman, T.T. Thakker, N. Thompson, R. Valizadeh, A.E. Wheelhouse, P.H. Williams
    STFC/DL/ASTeC, Daresbury, Warrington, Cheshire, United Kingdom
  • R.B. Appleby, K. Hanahoe, O. Mete Apsimon, H.L. Owen, G.X. Xia
    UMAN, Manchester, United Kingdom
  • P. Atkinson, N. Bliss, R.J. Cash, N.A. Collomb, G. Cox, G.P. Diakun, S. Dobson, A. Gallagher, S.A. Griffiths, C. Hill, C. Hodgkinson, D.M.P. Holland, T.J. Jones, B.G. Martlew, J. Williams
    STFC/DL, Daresbury, Warrington, Cheshire, United Kingdom
  • R. Bartolini, I.P.S. Martin
    DLS, Oxfordshire, United Kingdom
  • S.T. Boogert, E. Yamakawa
    Royal Holloway, University of London, Surrey, United Kingdom
  • G. Burt, P.N. Ratoff
    Lancaster University, Lancaster, United Kingdom
  • L.T. Campbell, A.J.T. Colin, J. Henderson, B. Hidding, B.W.J. MᶜNeil
    USTRAT/SUPA, Glasgow, United Kingdom
  • A.M. Kolano
    University of Huddersfield, Huddersfield, United Kingdom
  • A. Lyapin
    JAI, Egham, Surrey, United Kingdom
  • V.V. Paramonov, A.K. Skasyrskaya
    RAS/INR, Moscow, Russia
  • J.D.A. Smith
    TXUK, Warrington, United Kingdom
  • S. Spampinati
    Cockcroft Institute, Warrington, Cheshire, United Kingdom
  • Y. Wei, C.P. Welsch, A. Wolski
    The University of Liverpool, Liverpool, United Kingdom
  
  CLARA is a new FEL test facility being developed at STFC Daresbury Laboratory in the UK. The main motivation for CLARA is to test new FEL schemes that can later be implemented on existing and future short wavelength FELs. Particular focus will be on ultra-short pulse generation, pulse stability, and synchronisation with external sources. The project is now underway and the Front End section (photoinjector and first linac) installation will begin later this year. This paper will discuss the progress with the Front End assembly and also highlighting other topics which are currently receiving significant attention.  
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MOP039 First Results of Commissioning of the PITZ Transverse Deflecting Structure 110
 
  • H. Huck, P. Boonpornprasert, A. Donat, J.D. Good, M. Groß, I.I. Isaev, L. Jachmann, D.K. Kalantaryan, M. Khojoyan, W. Köhler, G. Kourkafas, M. Krasilnikov, D. Malyutin, D. Melkumyan, A. Oppelt, M. Otevřel, M. Pohl, Y. Renier, T. Rublack, J. Schultze, F. Stephan, G. Trowitzsch, G. Vashchenko, R.W. Wenndorff, Q.T. Zhao
    DESY Zeuthen, Zeuthen, Germany
  • G. Asova
    INRNE, Sofia, Bulgaria
  • M. A. Bakr
    Assiut University, Assiut, Egypt
  • D. Churanov, L.V. Kravchuk, V.V. Paramonov, I.V. Rybakov, A.A. Zavadtsev, D.A. Zavadtsev
    RAS/INR, Moscow, Russia
  • C. Gerth, M. Hoffmann, M. Hüning
    DESY, Hamburg, Germany
  • C. Hernandez-Garcia
    JLab, Newport News, Virginia, USA
  • M.V. Lalayan, A.Yu. Smirnov, N.P. Sobenin
    MEPhI, Moscow, Russia
  • O. Lishilin, G. Pathak
    Uni HH, Hamburg, Germany
  
  For successful operation of X-ray Free Electron Lasers, one crucial parameter is the ultrashort electron bunch length yielding a high peak current and a short saturation length. In order to effectively compress the bunches during the acceleration process, a detailed understanding of the full longitudinal phase space distribution already in the injector is required. Transverse deflecting RF structures (TDS) can shear the bunch transversely, mapping the longitudinal coordinate to a transverse axis on an observation screen downstream. In addition to the bunch length, the slice emittance along the bunch as well as the full longitudinal phase space can be obtained. At the Photo Injector Test Facility at DESY, Zeuthen site (PITZ), an S-band traveling wave TDS is under commissioning since 2015. This cavity is a prototype for the TDS in the injector part of the European XFEL and has been designed and manufactured by the Institute for Nuclear Research (INR, Moscow, Russia). In this paper, first commissioning results of the system at PITZ are presented and discussed.  
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