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Figure 4
(a), (b) Intensity images of a copper Siemens-like star sample with a π/2 and a 3π/2 phase ring, respectively. (c), (d) Retrieved phase shift and the true phase information of the sample, respectively. The thickness of the copper features increases in an anticlockwise direction from 30 nm at the 3 o'clock position to 105 nm in 5 nm steps.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 22| Part 4| July 2015| Pages 1056-1061
https://doi.org/10.1107/S1600577515007699
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