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Figure 2
PBI intensity profiles, expressed by equation (7)[link], in three cases corresponding to existing and proposed configurations for imaging breast tissue specimens at the IMBL beamline of the Australian Synchrotron (see Table 1[link]), with λ = 0.3875 Å (E = 32 keV), Iin(λ) = 1, and different magnifications: M = 1.05 (R2 ≃ 6.67 m, σM ≃ 40.5 µm, dotted line), M = 1.094 (R2 ≃ 12.0 m, σM ≃ 48.5 µm, solid line), M = 1.15 (R2 ≃ 18.3 m, σM ≃ 61.5 µm, dashed line). The dot-dashed line shows the absorption component only from equation (7)[link] in the case M = 1.094. The profiles for M = 1.05 and M = 1.15 have been shifted vertically to bring the left ends (which correspond to the absence of the edge feature) to the same fluence level as in the case M = 1.094, in order to facilitate visual comparison of the contrasts.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 33| Part 2| March 2026| Pages 395-408
https://doi.org/10.1107/S1600577525010732
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