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Figure 4
The residual differential phase error of the reconstruction. The RMS of the residual differential phase error over the whole measurement aperture is [\lambda/40], giving an indication of the reliability of the algorithm (and the symmetry of the beam).

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 27| Part 6| November 2020| Pages 1461-1469
https://doi.org/10.1107/S1600577520010735
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