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Figure 2
Three-dimensional drawing of the intra-undulator section. Right after the upstream undulator are the alignment quadrupole (a), Qal, the phase shifter (b), the RF beam-position monitor (BPM) (c), the main quadrupole (d) with its correction coils, the vacuum valve (e) and the alignment quadrupole of the downstream undulator (f). The Qal and the phase shifter are attached to the upstream undulator; the valve and the second Qal to the downstream one; while the BPM and the quadrupole are on a separated support, where they can be moved in the xy-plane.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 25| Part 3| May 2018| Pages 686-705
https://doi.org/10.1107/S1600577518002205
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