Author: Wittenburg, K.
Paper Title Page
MOPB02 ARIES-ADA: An R&D Network for Advanced Diagnostics at Accelerators 71
 
  • P. Forck, M. Sapinski
    GSI, Darmstadt, Germany
  • C. Gerth, K. Wittenburg
    DESY, Hamburg, Germany
  • U. Iriso, F. Pérez
    ALBA-CELLS Synchrotron, Cerdanyola del Vallès, Spain
  • R. Ischebeck
    PSI, Villigen PSI, Switzerland
  • O.R. Jones
    CERN, Geneva, Switzerland
 
  Funding: This project has received funding from the European Union's Horizon 2020 Research and Innovation programme under Grant Agreement No 730871.
Accelerator Research and Innovation for European Science and Society, ARIES, is an initiative funded by the European Union (https://aries.web.cern.ch/). The activity comprises three major categories: Joint Research Activities; Transnational Access; Network Activities. One of these networks is related to Advanced Diagnostics at Accelerators (ADA) with the task of strengthening collaborations between international laboratories for coordinated research and development in beam diagnostics (https://aries.web.cern.ch/content/wp8). This task is performed by organizing topical workshops on actual developments and supporting interchange of experts between different labs. Since the start of the project in May 2017 four topical workshops of two to three days duration have been organized, each with 30-40 participants ranging from novices to worldwide experts in their particular field. In this contribution these initial workshops are summarized and an outlook given for further workshops within this ARIES-ADA network.
 
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IBIC2018-MOPB02  
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WEOC01
Summary of Emmittance Measurements Workshop for SLS and FELs  
 
  • U. Iriso
    ALBA-CELLS Synchrotron, Cerdanyola del Vallès, Spain
  • F. Ewald
    ESRF, Grenoble, France
  • G. Kube, K. Wittenburg
    DESY, Hamburg, Germany
  • T.M. Mitsuhashi
    KEK, Ibaraki, Japan
  • V. Schlott
    PSI, Villigen PSI, Switzerland
 
  Funding: This project has received funding from the EU Horizon 2020 Research and Innovation programme, under Grant Agreement No 730871.
In January 2018, a Topical Workshop on Emittance Measurements for Synchrotron Light Sources and FELs was held at ALBA inside the ARIES network. This talk will summarize the state of the art of the different emittance measurements techniques for these type of accelerators, and will present the relevant topics shown during the workshop.
 
slides icon Slides WEOC01 [4.723 MB]  
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WEPB10 Grating Scanner for Measurement of Micron-size Beam Profiles 448
 
  • L.G. Sukhikh, A. Potylitsyn, S.A. Strokov
    TPU, Tomsk, Russia
  • G. Kube, K. Wittenburg
    DESY, Hamburg, Germany
 
  Funding: The work was partly supported by the program ‘‘Nauka' of the Russian Ministry of Education and Science, grant # 3.1903.2017
Wire scanners are widely used for transverse beam size diagnostics. The minimum detectable beam size is affected by the diameter of a single wire. The smallest carbon or tungsten wires used so far have diameters of about 4 microns. With the development of modern electron accelerators and the demands from future linear electron-positron colliders, sub-micron beam sizes have to be resolved. In order to increase the resolution, the decrease of the wire diameter is required. The authors of Ref. * proposed to manufacture thin gold stripes of rectangular shape (widths are equal to 1 µm or 2 µm and height is equal to 3 µm) on Si3N4 membrane. We propose to use another arrangement of gold stripes with varying period on a Si substrate. A set of 11 stripes with 1 µm width and 10 micron height with varying gap width in the range 3-0.25 µm ("grating scanner") was simulated by using an analytical model and by the Geant4 code. By moving this scanner across the beam one could measure the Bremsstrahlung yield vs. the coordinate, resulting in an oscillating dependence. The visibility of the resulting image allows defining the beam sizes in the range of 0.5-1.5 µm for the proposed scanner parameters.
* S. Borrelli et al., "Generation and Measurement of Sub-Micrometer Relativistic Electron Beams", arXiv:1804.04252v1 [physics.acc-ph] 11 Apr 2018
 
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IBIC2018-WEPB10  
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