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Figure 2
Experimentally measured (grey) and theoretical (red) rocking curves for bending radii of 6.5 and 9.5 cm. For comparison, in the inset the calculated rocking curves for a 20 µm-thick flat diamond crystal are shown; the solid red line corresponds to the intrinsic rocking curve and the dotted line corresponds to the rocking curve taking into account the experimental angular divergence. For the energy-scan data, the angular deviation is calculated by the differential Bragg equation δθ = tan θ (ΔE/E). The FWHMs of the rocking curves are 0.326 mrad (5.02 eV) and 0.224 mrad (3.46 eV) for bending radii of 6.5 and 9.5 cm, respectively. In the theoretical rocking curves, the corresponding absolute values of peak intensity are 0.004 and 0.006 for a plane incident wave limited by a slit 10 µm wide.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 26| Part 4| July 2019| Pages 1069-1072
https://doi.org/10.1107/S1600577519004880
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