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Figure 4
Description of the deflector stage showing angles (top) and components (bottom). The deflecting crystal is adjusted to the Bragg angle θ = θB. In order to deflect the beam out of the horizontal plane, the deflecting crystal is rotated by the angle ρ, while maintaining the Bragg condition with the help of the correction circles χ and φ (see text). The deflected beam moves along the Scherrer cone. The diffractometer center of rotations (COR) follows the deflected beam with the rotation σ, which moves the diffractometer table including the incident flight path on air pads, and a z elevator. The incident flight path also follows the beam with the tilt μ and another z elevator. Additional adjustment translations (x,y,z) on the deflector goniometer allow also a precision alignment of other optical elements such as focusing mirrors, multilayers or X-ray lenses (see text).

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 12| Part 3| April 2005| Pages 329-339
doi:10.1107/S0909049505000361
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