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Figure 12
Efficiency distribution of the first-order diffraction of a circular A-FZP. (a) Bird's-eye view of the two-dimensional distribution and (b) cross-sectional profile (black solid line). The central region including the zeroth-order beam is cut. The X-ray energy is 8 keV. Theoretical values of conventional FZPs are also shown (gray broken line: outermost zone width is 100 nm and zone thickness is 1 µm; gray solid line: outermost zone width is 50 nm and zone thickness is 0.5 µm). Small bumps shown in the profile are due to the speckle from the dust adhered on the windows installed in the X-ray path.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 24| Part 3| May 2017| Pages 586-594
https://doi.org/10.1107/S1600577517003289
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