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Figure 3
The measured focal beam size at the sample position with VPG2 at 1 keV and the exit slit opening at 10 µm FWHM. The blue open circles are the first derivative of the blue curve from a knife-edge scan, and the pink curve is the Gaussian fit.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 29| Part 2| March 2022| Pages 563-580
https://doi.org/10.1107/S1600577522000601
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