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Figure 3
(a) Principle of pole height tuning. Each pole is kept in place by four screws. The tuning screws allow for vertical movement of up to ±0.3 mm and a tilt of up to ±4 mrad. The locking screws are tightened afterwards with a specified torque to secure the adjustment. (b) Measurement bridge for precision measurement of pole shift and tilt. Top and bottom poles are adjusted simultaneously using two digital dial gauges for each, with a resolution of 1 µm.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 26| Part 2| March 2019| Pages 302-310
https://doi.org/10.1107/S1600577518017125
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