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Figure 1
Schematic top view of the high-energy X-ray reflectivity set-up installed at the ID15A beamline. The first optical element is a set of Al compound refractive lenses (CRL) used to minimize the footprint of the beam impinging on the sample's surface. At low angles the intensity of the beam reflected from the sample is too high for the detector. For this reason a continuous wedge absorber (Abs) is used to attenuate the beam. Two tungsten slits and a lead wall with a pin hole (LW) remove the background radiation. A fast shutter (FS) can be brought into the beam in order to minimize the radiation dose on the sample. The mono­chromator for the investigation of liquid surfaces (Lmono) is positioned before the high-energy micro-diffractometer (HEMD). Two additional sets of slits are placed before the detector. Several monitors (M) are positioned along the beam path.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 18| Part 2| March 2011| Pages 251-256
https://doi.org/10.1107/S0909049510052106
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