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15 October 2012 Initial evaluation of the European XFEL undulator commissioning spectrometer with a single channel-cut crystal
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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.
© (2012) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Cigdem Ozkan, Wolfgang Freund, Jens Rehanek, Jens Buck, Ivo Zizak, Jan Gruenert, Franz Schaefers, Alexei Erko, and Serguei Molodtsov "Initial evaluation of the European XFEL undulator commissioning spectrometer with a single channel-cut crystal", Proc. SPIE 8504, X-Ray Free-Electron Lasers: Beam Diagnostics, Beamline Instrumentation, and Applications, 85040X (15 October 2012); https://doi.org/10.1117/12.929755
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