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![[Figure 1]](vv5036fig1mag.jpg)
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Figure 1
Two projections of the arrangement of the DCD and diffractometer showing some of the angles discussed in the text. (a) This projection shows the DCD scattering in the horizontal plane (Qz = 0). The vertical incident angle is varied by rotating the DCD angle φ. The sample is mounted on a hexapod located in the centre of the diffractometer, which then tracks the deflected beam as φ is varied. The angle β is the beam deflection in the horizontal plane. (b) Side projection showing the DCD with φ = 45°, to illustrate the beam deflection in the vertical plane α. In both of these plots the DCD is shown with the maximum radius of rotation corresponding to the minimum X-ray energy. A change in energy is achieved by reducing this radius by moving C2 towards the centre. |
![[Figure 1]](vv5036fig1.jpg)
 | JOURNAL OF SYNCHROTRON RADIATION |
ISSN: 1600-5775
