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![[Figure 2]](ml5205fig2mag.jpg)
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Figure 2
Images of a two-dimensional phase grating with period of 8.0 µm, with approximately equal widths for the thicker and the thinner regions, at defocusing distances of (a) D = 8 mm, (b) D = DR/2, (c) D = DR and (d) D = 3DR/2. Throughout this paper, the photon energy used is 17.5 keV, corresponding to wavelength λ = 70.7 pm; hence DR = 905 mm. |
![[Figure 2]](ml5205fig2.jpg)
 | JOURNAL OF SYNCHROTRON RADIATION |
ISSN: 1600-5775
