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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 [\alpha{I_{f}}/I_{0}] of a test sample (magnetic tape). This spectrum was not renormalized to remove the prefactor [\alpha] taking into account the different amplification gains of the If and I0 detectors. (b) Single-scan XANES and XMCD spectra recorded with fast electronics detecting the high-frequency time structure of the X-ray beam at 5.68 MHz in the 16-bunch filling mode.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 12| Part 1| December 2005| Pages 57-69
doi:10.1107/S090904950402878X
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