Author: Burrill, A.
Paper Title Page
MO2A01
The LCLS-II SCRF Linac  
 
  • M.C. Ross, A. Burrill
    SLAC, Menlo Park, California, USA
 
  The LCLS-II CW x-ray FEL is based on high Q0 1.3 GHz SCRF cavities powered by solid-state amplifiers. This talk will describe the R&D towards these cavities and the recent results of cryomodule prototypes.  
slides icon Slides MO2A01 [18.815 MB]  
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MOPLR020 Challenges in Realizing the LCLS-II Cryomodule Production 181
 
  • A. Burrill
    SLAC, Menlo Park, California, USA
 
  The LCLS-II project requires the assembly and installation of 37 cryomodules in order to deliver a 4 GeV electron beam to the undulators to produce both soft and hard x-rays at a repetition rate up to 1 MHz. All of the cryomodules will operate in continuous wave mode, with 35 operating at 1.3 GHz for acceleration and 2 operating at 3.9 GHz to linearize the longitudinal beam profile. One of the challenges of this project, and the topic of this paper, is coordinating the effort of three DOE labs in order to realize this machine in just a few years time. This coordination is necessary due to the fact that the cryomodules will be assembled at both Jefferson Lab and Fermi Lab, tested, and then shipped to SLAC for installation, commissioning and operation. This paper will report on our experiences to date, issues that have been identified and planned mitigation going forward.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-LINAC2016-MOPLR020  
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TUPRC015 Final Acceptance Test of SRF Photo-Injector Cold String for the BERLinPro Energy Recovery Linac 445
 
  • A. Neumann, D. Böhlick, P. Echevarria, A. Frahm, F. Göbel, T. Kamps, J. Knobloch, O. Kugeler, M. Schuster, J. Ullrich, A. Ushakov
    HZB, Berlin, Germany
  • A. Burrill
    SLAC, Menlo Park, California, USA
  • G. Ciovati, P. Kneisel
    JLab, Newport News, Virginia, USA
  • A. Matheisen, M. Schalwat, M. Schmökel
    DESY, Hamburg, Germany
  • E.N. Zaplatin
    FZJ, Jülich, Germany
 
  Funding: Work supported by German Bundesministerium für Bildung und Forschung, Land Berlin and grants of Helmholtz Association.
Helmholtz-Zentrum Berlin (HZB) is currently designing and building an high average current all superconducting CW driven ERL as a prototype to demonstrate low normalized beam emittance of 1 mm·mrad at 100mA and short pulses of about 2 ps. In order to achieve these demanding goals HZB started a staged program for developing this class of required high current, high brightness SRF electron sources. In this contribution we will present the current status of the module assembly and testing of the prototype SRF photo-injector cavity cold string. The steps taken to install the cathode insert system with the cavity in the cleanroom and the following horizontal test of the cold string as final acceptance test prior installation into its cryostat are shown. First beam in a dedicated diagnostics teststand called Gunlab are planned for this winter.
 
poster icon Poster TUPRC015 [2.077 MB]  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-LINAC2016-TUPRC015  
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