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. 2024 Jan 22;31(Pt 2):260–267. doi: 10.1107/S1600577523010664

Table 3. Ray-tracing results of the X-ray beam at the secondary source.

    Without thermal deformation With thermal deformation
Photon energy (keV) Thermal slope error (µrad, RMS) Beam size (µm) Divergence (µrad) Beam size (µm) Divergence (µrad)
2.05 4.6 29.1 × 574.1 39.4 × 0.67 29.6 × 570.0 40.0 × 11.8
2.5 1.6 29.2 × 493.2 34.3 × 0.63 30.2 × 510.0 36.2 × 12.4