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Figure 1
Experiment and simulation setup. A crystal (simulated as a rectangular prism) is located at x, y, z = 0 and a volume element (voxel) of the crystal is located at position r. The crystal is illuminated by an X-ray beam with a top-hat or Gaussian profile, and the incident photon flux at the voxel position is Finc(r, x, t). Crystal planes with spacing dhkl generate Bragg scattering at angle 2θhkl, corresponding to a scattering wavevector qhkl = 2π/dhkl. The scattered flux (in photons s−1) from each voxel is φdiff(t, q).

IUCrJ
Volume 6| Part 6| November 2019| Pages 1040-1053
ISSN: 2052-2525
https://doi.org/10.1107/S2052252519008777