Author: Kuszynski, J.
Paper Title Page
MOCOXBS04 The Berlin Energy Recovery Linac Project BERLinPro - Status, Plans and Future Opportunities 8
 
  • M. Abo-Bakr, N. Al-Saokal, W. Anders, Y. Bergmann, K. Bürkmann-Gehrlein, A. Bundels, A.B. Büchel, P. Echevarria, A. Frahm, H.-W. Glock, F. Glöckner, F. Göbel, S. Heling, J.G. Hwang, A. Jankowiak, C. Kalus, T. Kamps, G. Klemz, J. Knobloch, J. Kolbe, J. Kühn, B.C. Kuske, J. Kuszynski, A.N. Matveenko, M. McAteer, A. Meseck, S. Mistry, R. Müller, A. Neumann, N. Ohm, K. Ott, F. Pflocksch, L. Pichl, J. Rahn, O. Schüler, M. Schuster, Y. Tamashevich, J. Ullrich, A. Ushakov, J. Völker
    HZB, Berlin, Germany
  • H. Huck
    DESY Zeuthen, Zeuthen, Germany
  
  Funding: Work supported by the German Bundesministerium für Bildung und Forschung, Land Berlin and grants of Helmholtz Association
The Helmholtz-Zentrum Berlin is constructing the Energy Recovery Linac Prototype BERLinPro, a SRF based demonstration facility for the science and technology of ERLs for future high power, high brilliance electron beam applications. BERLinPro was designed to accelerate a high current (100 mA, 50 MeV), high brilliance (norm. emittance below 1 mm mrad) cw electron beam. Given the recent prioritization of the BESSY II upgrade to the BESSY VSR variable pulse length storage ring, HZB is forced to reduce the project goals of BERLinPro. As a result, the project had to be rescoped with the goal to maximize its scientific impact within the present boundary conditions. We report on the last year’s progress of the building, the warm and cold infrastructure and on the time line, goals nd opportunities for the remaining project run time. 		 
slides icon Slides MOCOXBS04 [13.980 MB]  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-ERL2019-MOCOXBS04  
About • paper received ※ 16 September 2019       paper accepted ※ 06 November 2019       issue date ※ 24 June 2020  
Export • reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)  
 
WEPNEC02
 Investigation and Mitigation of the Mie-Scattering on the Surface of the First Objective Lens for Coronagraph-Based Halo Monitor  
 
  • J.G. Hwang, J. Kuszynski
    HZB, Berlin, Germany
  
  Funding: This work was supported by the German Bundesministerium für Bildung und Forschung, Land Berlin and grants of Helmholtz Association.
Since, due to the heat capacity of the cryogenics, additional heat load on a cryogenic system as a result of uncontrolled beam losses is only allowed to be below 50 W which corresponds to 10-5 respected to the full power of BERLinPro, the development of diagnostics which can measure the intensity in the order of 10-5 is crucial. In our previous beam test of the coronagraph-based halo monitor with various operation modes of the BESSY II storage ring, the limitation of the measurement of the halo distribution was to be 10-4 respected to the core intensity due to the noise produced by scattered light from digs and scratches of the first objective lens. In order to mitigate the noise level produced from the surface of the objective lens to reach 10-5 to 10-6, the Mie-scattering effect was investigated, and furthermore, a high-quality surface lens was purchased. 		 
Export • reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)