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![[Figure 2]](ve5153fig2mag.jpg)
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Figure 2
The phase plate alignment procedure. The phase plate is located between the CRLs and the microscope installed downstream from the focal spot position. (a) An image of a defocused X-ray beam without the phase plate. (b) The phase plate is moving in the field of view, approaching the central position from the right-hand side. (c) The phase plate is centered and the image is produced by subtracting the background, e.g. panel (a), from the image with the phase plate centered. In the final steps of alignment and with the sharp edge placed at the position of optimal focus, we make a small displacement of the phase plate perpendicular to the incident beam and scan the sharp edge in order to achieve the best beam shape. |
![[Figure 2]](ve5153fig2.jpg)
 | JOURNAL OF SYNCHROTRON RADIATION |
ISSN: 1600-5775
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