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Figure 7
(Top) Geometry of the pinhole camera setup defining the key parameters of the pinhole camera setup. The beam height at the CVD diamond window is given by h. The aperture (size a) is located between the sensor and window at distances of L and D, respectively. The axis of the pinhole camera is tilted at an angle with respect to the plane of the window. (Bottom) The expected behaviour (circles) according to equation (1)[link] using the following parameter values: D = 20 mm, L = 50 mm, a = 0.07 mm, h = 0.5 mm and θ = 36°. The linear best fit to the calculated points is shown as a solid line through the markers. The data at the top show the deviation from the linear approximation as predicted by equation (1)[link].

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 27| Part 1| January 2020| Pages 37-43
https://doi.org/10.1107/S1600577519015340
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