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Figure 10
(Left) A schematic illustration of a Bragg spot on a 2D detector with some radial width, corresponding to (centre and right) a wavevector spread of σq. This can also be represented by an angular width σφ of the beam coming from the sample to give rise to that Bragg spot. This angular width is determined by the incoming beam collimation, the mosaic spread of the VL and the spread of Bragg angles due to imperfect monochromation of the beam. The diffraction angles in this image are exaggerated for clarity.

Journal logoJOURNAL OF
APPLIED
CRYSTALLOGRAPHY
ISSN: 1600-5767
Volume 55| Part 5| October 2022| Pages 1314-1323
https://doi.org/10.1107/S1600576722008226
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