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Figure 3
Attenuation profile of the 100 µm foil at 9.592 keV as a function of its x and y position and illustrating three regions of interest. The first is the near-flat central region where the beam only passes through the foil. The second region of interest is the sharp slopes at the top and bottom of the foil where only a fraction ( ai) of the beam is incident on the foil and the remainder passes through air. The third region relates to the two spikes to the left and right of the central region where the beam passes through both the foil and the perspex mount.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 27| Part 5| September 2020| Pages 1262-1277
https://doi.org/10.1107/S1600577520010097
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