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Figure 4
CNRs for different total exposure times t for absorption contrast (black) and Zernike phase contrast (colour). The CNR increases with [a\,[{1 - \exp ({ - {{\sqrt t }/ b}\,} )} ]] (the fit is shown as dotted lines). For more details about the fit see Table S3.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 27| Part 5| September 2020| Pages 1339-1346
https://doi.org/10.1107/S1600577520007407
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