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Figure 6
Test patterns for geometric measurements. (a) SAXS image of silver behenate at 8 keV together with fit circle in dashed yellow. (b) GISAXS pattern (similar to Fig. 7[link]) to determine the module alignment. Image series were recorded for vertical and horizontal displacement of the detector, here shown exemplary for a vertical movement along a module gap (grey shaded area). The numbered maxima indicate the peaks that were tracked to determine the detector movement (arrows show the nominal path along which 20 images were recorded). One group of peaks (6–12; green arrows) crosses the module borders, the other group (1–3 and 15–17; red arrows) stays on a module and is used for reference. The same procedure is applied to the other module gaps on the detector.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 21| Part 3| May 2014| Pages 529-536
https://doi.org/10.1107/S160057751400294X
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