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Figure 1
Components of the mini-beam collimator. (a) Exploded view of the mini-beam collimator and support. The direction of beam travel through the components is from right to left. The collimator components are the Mo back-scatter guard (positioned at the 46 mm mark on the ruler), the beam-defining Pt pinhole (39 mm), the bullet-shaped scatter guard (30 mm) and the forward-scatter guard tube (12 mm). The pinhole is on its side in this picture for clarity. The stainless steel arm (above the collimator components) connects the assembled collimator to the kinematic carrier (Fig. 2[link]). (b) Schematic diagram of the assembled mini-beam collimator. Excellent scatter protection is achieved by nesting of the pinhole, back-scatter guard and forward-scatter tube inside the bullet-shaped scatter guard.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 16| Part 2| March 2009| Pages 217-225
https://doi.org/10.1107/S0909049508040612
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