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Figure 1
Experimental arrangement of a Ronchi interferometer. The grating is placed at or close to the focus. To the right: examples of Ronchigrams for different cases: (a) aberration-free optic, (b) astigmatism, (c) coma and (d) spherical aberration.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 21| Part 5| August 2014| Pages 1105-1109
doi:10.1107/S160057751401323X
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