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TUBO01 Screen materials for high precision measurements electron, site, software, GUI 1
  • B. Walasek-Höhne, P. Forck
    GSI, Darmstadt, Germany
  • R. Ischebeck
    PSI, Villigen PSI, Switzerland
  • G. Kube
    DESY, Hamburg, Germany
  Funding: This project has received funding from the European Union’s Horizon 2020 programme under Grant Agreement No 730871.
Scintillation screens made of various inorganic materials are widely used for transverse beam profile diagnostics at all kinds of accelerators. The monitor principle is based on the particles’ energy loss and its conversion to visible light. The resulting light spot is a direct image of the two-dimensional beam distribution. For large beam sizes standard optical techniques can be applied, while for small beam sizes dedicated optical arrangements have to be used to prevent for image deformations. In the modern linac based light sources scintillator usage serves as an alternative way to overcome limitations related to coherent OTR emission. Radiation damages and intensity based saturation effects, in dependence of the screen material, have to be modelled. In this talk, an introduction to the scintillation mechanism in inorganic materials will be given including practical demands and limitations. An overview on actual applications at hadron and electron accelerators will be discussed as summary of the Joint ARIES-ADA Workshop on ’Scintillation Screens and Optical Technology for transverse Profile Measurements’ held in Kraków, Poland.
slides icon Slides TUBO01 [27.172 MB]  
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