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Figure 2
The image on the left, with open tooling and the bottom anvil in the reset position (fully extended at about −1.5 mm from the centre), shows the view upstream of the primary and wedge cut-outs, here with a carbide second-compression stage in 6/8 geometry. The maximum extent of the solid angle visible is limited by the anvil gap and the cut-out half-angle (13.5°) and ω rotation, to a maximum of ∼22°, in the horizontal plane. The right-hand panel shows a Cartesian reconstruction of a polar collection of SRM660a LaB6 (at 53 keV) in 6/6 geometry, showing the increased solid-angle range of collections possible. The limit is the wedges, except in sub-vertical azimuths, where the detector length constrains maximum 2θ. The off-ordinal accessibility is increased by ω rotation.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 30| Part 6| November 2023| Pages 1149-1155
https://doi.org/10.1107/S1600577523008020
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