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Figure 2
Vertical and horizontal profiles of the beam. (a) Schematic figure of the vertical profile of the dual beam passed by the 6.0 mm slit and the splitter. (b) Vertical scans of the beams at the focus. `Low energy' indicates the beam energy below the K-edge of xenon and `High energy' the beam above the K-edge of xenon, and `Both' indicates the sum of the beams. (c) Horizontal profiles of the beams at the Ge detector. The difference in intensity is due to a small off-centring of the beam splitter. The image intensities are brought to the same scale and flat-field by using these white-field intensities.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 21| Part 6| October 2014| Pages 1305-1313
doi:10.1107/S160057751401697X
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