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Figure 2
Horizontal RMS beam size focused by the cylindrical mirror and back-propagated to the source location as a function of the horizontal aperture. Calculations are performed considering both the geometrical aberrations alone with the cylindrical mirror removing aberrations including coma, spherical term excluded (black triangles, `geo., coma') and spherical term included (empty blue circles, `geo., spherical'). These terms are then added quadratically to the other source size contributions (electron beam, geometrical aberrations and the diffraction-limited photon emission at 3 eV) to give the total horizontal back-propagated source size labeled `total, coma' (green filled circles) and `total, spherical' (empty red squares), respectively.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 23| Part 5| September 2016| Pages 1124-1130
https://doi.org/10.1107/S1600577516011875
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