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Figure 1
Schematic representation of a specular X-ray reflectivity experiment on a confined liquid. The gap width is controlled by the actuator A and measured through white-light interferometry. A focusing lens (1) is positioned after the interferometer and a beam splitter (2) directs the light to a CCD camera (3) and to a spectrometer (4). The momentum-transfer dependence of the reflected intensity is measured in a θ–2θ scan, where the scattered beam is detected by a PILATUS 100K (Kraft et al., 2009BB12) detector (5) having a pixel size of 172 µm × 172 µm.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 17| Part 4| May 2010| Pages 465-472
doi:10.1107/S0909049510014858
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