Author: Magnin-Mattenet, M.
Paper Title Page
WEPE42
The MID Instrument at the European XFEL  
 
  • G. Ansaldi, W. Lu, T. Roth, A. Schmidt
    European XFEL, Schenefeld, Germany
  • A. Madsen
    XFEL. EU, Hamburg, Germany
  • M. Magnin-Mattenet
    ESRF, Grenoble, France
 
  The Materials Imaging and Dynamics (MID) instrument of the European XFEL facility will provide unique capabilities in materials imaging and dynamics experiments, with particular focus on the application of coherent X-ray scattering and diffraction techniques. Coherent diffractive imaging (CDI) and X-ray photon correlation spectroscopy (XPCS) experiments are at the heart of the activities planned at the MID station, but also time-resolved scattering and imaging studies can be foreseen, taking advantage of the time structure and high flux of the X-ray free-electron laser (XFEL) beam. Here we present the technical realizations of the devices inside the Optics and Experimental Hutches. SAXS, WAXS and large field of view configurations are shown.  
poster icon Poster WEPE42 [6.374 MB]  
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FRBA01 A New Crystal Bender for the ID31 Laue-Laue Monochromator 409
 
  • M. Magnin-Mattenet, P. Got, V. Honkimaki, A. Vivo
    ESRF, Grenoble, France
 
  The ID31 beamline is able to provide X-Ray energies ranging from 20 to 150keV. The energy range 50-150keVis covered by a Laue-Laue monochromator located at 100meters from the source. Two asymmetrically cut Si crystals equipped with benders, based on a new concept, provide an energy resolution ranging from few hundreds of eV down to the Darwin width of few eV. The bender principle, design, manufacture and first commissioning will be described. The virtual source, produced with a white beam transfocator, can be before or after the monochromator. Therefore the bending mechanism must allow both concave and convex configuration with bending radius from 20m to infinite. Each bender is equipped with two home made piezo-jacks in close loop with capacitive sensor. The system is liquid Nitrogen cooled. The thermal behaviour will be described in detail and thermo-mechanical finite element analysis presented.  
slides icon Slides FRBA01 [11.565 MB]  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-MEDSI2016-FRBA01  
About • paper received ※ 09 September 2016       paper accepted ※ 21 September 2016       issue date ※ 22 June 2017  
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