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Figure 3
Evolution of the silicon crystal surface (within the white beam footprint area) at increasing heat load from (a) thermal-dent to (d) thermal-bump shape, with two most flat intermediate shapes corresponding to (b) smallest sagittal and (c) meridional slope errors (see text). The corresponding storage ring currents and absorbed powers are stated. The surface coordinates x and y lie in the meridional direction (in the scattering plane) and in the perpendicular sagittal direction, respectively. The calculated heigh profiles are valid for both ESRF-1 and EBS machines since the heat load does not change significantly.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 28| Part 1| January 2021| Pages 91-103
https://doi.org/10.1107/S1600577520014009
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