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Figure 2
Dual-detector scheme for measuring XRF emission from a rough surface. θ0 is the angle between detectors 1 or 2 and the normal vector nave of the average surface plane (dashed line). The blue dotted arrows denote the directions along which fluorescent radiation is detected. The local surface normal nloc deviates by an angle δ from nave, and the detectors measure fluorescence at angles θ0 ± δ from the local surface normal.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
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