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Figure 2
Angular sensitivity of the method as a function of (a) object-to-detector distance and (b) exposure time for different system configurations. (c) Phase images of the phantom (polyethylene foam, and microspheres and air bubbles embedded in wax) are shown for increasing object-to-detector distances. The improvement in angular sensitivity reveals interfaces in the foam and small bubbles in the wax substrate, as pointed out by the arrows. (d) An inset in the phase image is shown, along with the two refraction images, for further demonstration of thin wax deposits on the substrate being unveiled with increasing sensitivity.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 31| Part 5| September 2024| Pages 1293-1298
https://doi.org/10.1107/S1600577524005034
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