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Figure 7
Horizontal beam profile at the sample position. The raw data from the knife-edge scan are displayed as filled circles, the first derivative of the knife edge is shown as open circles and the Gaussian fit to this derivative is shown as a line plot. (a) Data collected with the secondary source slits fully open at 0.07 mm show the sample position has a measured beamsize of 2.3 µm (FWHM). (b) Data collected with the secondary source slits closed to 0.005 mm show the measured beamsize at the sample position reduces to 1.3 µm (FWHM).

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 31| Part 6| November 2024| Pages 1593-1608
https://doi.org/10.1107/S1600577524009160
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