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Figure 3
(a) Overall stability (yB) of the exit beam of the monochromator measured with a four-quadrant beam-position monitor during a wide-band gap-scan; the intensity of the incident X-ray beam (I0) was obtained by summing up the contributions of all four quadrant diodes and is displayed for reference. Bragg glitches cancel out perfectly in the fluorescence excitation spectrum ![]() ![]() |