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Figure 4
Measured (left) and reconstructed (right) focus at x = 553.5 ± 0.6 mm, the latter obtained via propagation of the aberrated wavefront. Both plots are composed of 32 × 32 pixels. White contours indicate intensity levels relative to the third-order interpolated maximum, where the innermost (dashed) refers to 50%. These FWHM values are estimated to ∼39 µm, whereas an r.m.s. spot size of 69.6 µm in the reconstruction is attributed to weak but extended scattering of ∼0.2–1%.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 31| Part 4| July 2024| Pages 690-697
https://doi.org/10.1107/S1600577524003643
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