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Figure 7
Horizontal focal position (distance from the source to the focal point) as a function of the aperture before the horizontal focusing mirror for 3 keV and 9 keV and the focal position from geometric optics (1/p+1/q = 1/f). The circles correspond to the SRW simulation and the full lines correspond to the Gaussian–Schell model with the universal function for the r.m.s. size and divergence. No fitting parameters are used except for the equivalent Gaussian aperture = Aperture/4.55, as given by Singer & Vartanyants (2014BB17).

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 24| Part 3| May 2017| Pages 566-575
https://doi.org/10.1107/S1600577517003058
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