Figure 8
Sketch of the experimental setup used to perform X-ray speckle tracking in absolute and differential mode. A speckle scatterer and two synchronized indirect X-ray detectors, the first one being semi-transparent, are aligned along the beam. For our experiment, the distances were fixed to: d1 = 905 mm, d2 = 1325 mm, R = 590 mm and f = 308 mm (see text for further details). |