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Figure 3
A comparison of the horizontal focal size with (blue data) and without (red data) the correcting phase plate. The curves correspond to the derivative signal of the sharp-edge scans, the linear spread function (LSF). Analysis of the curves confirms the similar size of the X-ray beam in the horizontal direction. Given the same acquisition time per point, the higher values for the blue data indicate higher flux values for the setup when corrected with the phase plate. With the phase plate (blue), one can employ a larger opening of the SLT installed in front of the DCM position. Implementation of the phase plate enables a higher intensity X-ray beam while maintaining a small beam size with similar, or even slightly smaller, beam tails at the focal spot.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 29| Part 3| May 2022| Pages 654-663
https://doi.org/10.1107/S1600577522002582
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