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Figure 4
Comparison of the beam cross sections around the grating in the condition presented in Figs. 1[link]–3[link]. The solid line presents the cross section just downstream of the grating upon off-plane diffraction for an incident beam, which passed an aperture with square shape (dashed line) just upstream of the grating. The figure applies for a staircase inclination of α = 29.5°and the parallelogram inclination angle ϑ is calculated by using equation (3)[link].

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 27| Part 6| November 2020| Pages 1499-1509
https://doi.org/10.1107/S1600577520011194
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