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Figure 3
Two-dimensional mapping of the beam spot measured with the GaAsP photodiode detector in the reflectometer. FWHM of the spot size is 0.4 × 0.3 mm (v × h). Note the efficient stray light reduction by more than five orders of magnitude by suitable apertures and pinholes in the beamline.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 25| Part 1| January 2018| Pages 100-107
https://doi.org/10.1107/S1600577517016800
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