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Figure 2
(a) Comparison between the photon flux [photons s−1 (0.1% band­width)−1] of the U22 undulator in the existing lattice (red curve) and of a CPMU18 undulator in the ESRF-EBS lattice (black curve). The calculation is performed for a collecting aperture of 0.3 mm × 0.3 mm at 30 m from the source (primary slit position). (b) The calculated undulator spectra with 6 mm gap for the two configurations, illustrating the significant improvement in the shape and peak-to-background ratio with the new lattice.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
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