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Figure 1
Graphs to show three beam profiles for hypothetical beams across a slit width of 100 µm. The beam profile shapes are: a Gaussian with a full-width half-maximum (FWHM) of 50 μm, a Gaussian with an FWHM of 250 μm and a top hat (uniform beam).

Journal logoJOURNAL OF
APPLIED
CRYSTALLOGRAPHY
ISSN: 1600-5767
Volume 37| Part 4| July 2004| Pages 513-522
doi:10.1107/S0021889804010660
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