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A double crystal X-ray monochromator for the SpLine diffraction and absorption synchrotron bending magnet beamline at the ESRF

AuthorsRubio-Zuazo, J. ; Collado-Negro, Víctor; Heyman, Catherine; Ferrer, Pilar ; Silva, Iván da ; Gallastegui, J. A.; Gutiérrez-León, Ana ; Castro, Germán R.
Issue Date2013
PublisherInstitute of Physics Publishing
CitationJournal of Physics: Conference Series 425(5): 052005 (2013)
AbstractThe CRG BM25-SpLine Beamline is located at bending magnet 25 of the ESRF. The beamline, which is split in two branches, is devoted to XAS, XRD and HAXPES. The photon energy covered by both branches range between 5 and 45 keV. The beamline double crystal monochromator (DCM) uses two parallel Si(111) crystals in (+, -) configuration to produce a monochromatic exit beam parallel to the incident white X-ray beam. It accepts 2mrad of radiation from the bending magnet. The DCM has been recently upgraded. Several special features concerning the cooling of the first crystal, second crystal positioning and sagittal focusing mechanism has been improved. In this work a detailed description of the performed modifications is presented.
DescriptionPaper presented at 11th International Conference on Synchrotron Radiation Instrumentation (SRI 2012), which took place in Lyon (France) during 9-13th July 2012.
Publisher version (URL)https://doi.org/10.1088/1742-6596/425/5/052005
Appears in Collections:(ICMM) Libros y partes de libros
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