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Figure 3
Linearity of a CCD detector with fiber-optic taper input. (a) Image of an aluminium step-wedge with 50 µm-thick steps. (b) Step-wedge cross section after dark subtraction, in logarithmic scale. The upper step is slightly higher showing a non-linear response at high level. It was checked that this effect does not appear in the raw image, confirming that the problem originates from image correction.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 13| Part 2| March 2006| Pages 195-203
https://doi.org/10.1107/S0909049505034278
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