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Figure 4
The radial average of the relative spot size of the fully superposed area shows an increase in spatial resolution (a). The average of the spot is calculated to be about 0.2, which is an indication of the five times increase in the spatial resolution. The relation between the radius from the specimen coordinates and the center-of-mass position of the fully superposed area is illustrated in (b). The red-dotted line shows a linear relationship between the two. A histogram of the differences between the two variables with Gaussian fit is shown in (c). The FWHM of the fit is about 0.136, which indicates a positional error of ±6.8% concerning the incident X-ray beam size.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 30| Part 6| November 2023| Pages 1108-1113
https://doi.org/10.1107/S1600577523008597
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