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Figure 6
Effect of the non-linear intensity behaviour of the ePix10k detector in low gain before and after applying the corrections described here and in more detail by van Driel et al. (2015bBB12) on an ePix10k dataset containing diffuse liquid scattering from a water sample as seen in th einsert of Fig. 5[link]. The images at three different intensities were evaluated in relation to the image around reference intensity ic. The resulting deviation [(Ix/I0x)/(IIc/I0Ic)-1] is shown for the three reference intensities x = a,b,c for the uncorrected data as well as data corrected with a polynomial of order G = 1,2,3 showing the need for at least a second-order polynomial to successfully correct most of the non-linear detector dependency of the ePix10k.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 27| Part 3| May 2020| Pages 608-615
https://doi.org/10.1107/S1600577520004257
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