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Proceedings Paper

Initial evaluation of the European XFEL undulator commissioning spectrometer with a single channel-cut crystal
Author(s): Cigdem Ozkan; Wolfgang Freund; Jens Rehanek; Jens Buck; Ivo Zizak; Jan Gruenert; Franz Schaefers; Alexei Erko; Serguei Molodtsov
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Paper Abstract

At the European X-ray Free Electron Laser facility one‐ or two‐ Si(111) channel (cut) crystal X‐ray monochromator (Kmonochromator) are planned for photon beam based alignment: gap tuning of the undulator segments and phase tuning of the phase shifters during commissioning and maintenance of the undulators. A prototype device has been built using a single channel-cut crystal and was characterized at PETRAIII synchrotron (at P01, which is the only beamline with two undulator segments) by applying different undulator adjustment methods, intended for the European XFEL, that use imaging and intensity detection. This paper presents the setup and the first results from the experimental qualification of the K-monochromator prototype.

Paper Details

Date Published: 15 October 2012
PDF: 7 pages
Proc. SPIE 8504, X-Ray Free-Electron Lasers: Beam Diagnostics, Beamline Instrumentation, and Applications, 85040X (15 October 2012); doi: 10.1117/12.929755
Show Author Affiliations
Cigdem Ozkan, European XFEL GmbH (Germany)
Wolfgang Freund, European XFEL GmbH (Germany)
Jens Rehanek, Helmholtz-Zentrum Berlin für Materialien und Energie GmbH (Germany)
Jens Buck, European XFEL GmbH (Germany)
Ivo Zizak, Helmholtz-Zentrum Berlin für Materialien und Energie GmbH (Germany)
Jan Gruenert, European XFEL GmbH (Germany)
Franz Schaefers, Helmholtz-Zentrum Berlin für Materialien und Energie GmbH (Germany)
Alexei Erko, Helmholtz-Zentrum Berlin für Materialien und Energie GmbH (Germany)
Serguei Molodtsov, European XFEL GmbH (Germany)


Published in SPIE Proceedings Vol. 8504:
X-Ray Free-Electron Lasers: Beam Diagnostics, Beamline Instrumentation, and Applications
Stefan P. Moeller; Makina Yabashi; Stefan P. Hau-Riege, Editor(s)

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