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Figure 5
Two-dimensional X-ray images of polystyrene spheres (8 µm diameter) stuck on a glass fiber (5 µm diameter). (a) Differential phase-contrast image, (b) absorption-contrast image and (c) phase-contrast image obtained by the horizontal linear-integration of the differential phase-contrast image (a). Pixel size and the number of pixels of the reconstructed images are 175 nm (H) × 172 nm (V) and 309 (H) × 208 (V), respectively. Horizontal scan pitch is 175 nm, exposure time is 60 ms, dwell time is 66.7 ms and measurement time is approximately 20 s.

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