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Figure 5
Scale factors for 512 images acquired with the sample retracted (H: blue), with an empty capillary inserted into the beam (CH: green), and with a 100 µm thick fused silica plate inserted into the beam (FSH: red). (a) Normalized M0 corresponds to integrated intensity of direct beam transmitted through the beamstop. (b) nC corresponds to integrated charge extracted from the upstream PIPS detector. (c) M0/nC is normalized relative to H and corresponds to transmittance, which for these three curves are 1.00, 0.895 and 0.775. The integrated number of photons incident on the sample was ∼1013 photons per image. The integrated number of Rayonix detector counts per image for the H, CH and FSH datasets are approximately 6.7 × 108, 6.3 × 109 and 1.3 × 1010, respectively.

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SYNCHROTRON
RADIATION
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