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Figure 10
Absorption (left) and DPC (right) images of 5 µm-diameter polystyrene spheres recorded at 10 keV photon energy at beamline 2-ID-E at the APS. Both images are generated from the same data set, using different combinations of detector segments as indicated by the insets (see Fig. 9[link]; green, added; red, subtracted; gray, not used). The spheres are completely invisible in absorption contrast, but well visible in DPC. We have used a zone plate with an outermost zone width of 100 nm, a step size of 50 nm and a pixel dwell time of 3 ms.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 15| Part 4| May 2008| Pages 355-362
doi:10.1107/S0909049508008509
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