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Figure 6
Raw radiograph (a) with solid graphite block region (highlighted) used to find the vertical beam intensity profile. Vertical beam intensity profile (black) with eighth-order polynomial fit overlaid in red (b). Calculated vertical position of the beam hotspot over 3 min (c). Vertical hotspot position versus time (d) for an extended period (gray), with the linear trend overlaid in black.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
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