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Figure 2
Horizontal (left) and vertical (right) cuts (along the horizontal and vertical planes containing the optical axis) of the intensity distributions obtained by three different calculation methods: wavefront propagation with grazing-incidence elliptical mirrors extended along optical axis (1), wavefront propagation with the focusing mirrors simulated by ideal thin lenses (2), and geometrical ray-tracing with the grazing-incidence elliptical mirrors (3): (a) at the longitudinal position of the focal point; (b) 5 cm upstream from the focal point; (c) 5 cm downstream from the focal point.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 21| Part 5| August 2014| Pages 1110-1121
doi:10.1107/S1600577514013058
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