Record Details

Title:
Girder deformation related phase errors on the undulators for the European X-Ray Free Electron Laser
Affiliation(s):
EuXFEL staff
Author group:
Undulator Systems
Topic:
Abstract:
In long gap tunable undulators, strong magnetic forces always lead to some amount of gap-dependent girder deformation and resulting gap-dependent phase errors. For the undulators for the European XFEL, this problem has been investigated thoroughly and quantitatively. Using the different gap dependencies of suitable shims and pole height tuning, a method is presented which can be applied to reduce the overall gap dependence of the phase error if needed. It is exemplified by tuning one of the undulator segments for the European X-Ray Free Electron Laser back to specs.
Imprint:
American Physical Society, 2015
Journal Information:
Phys. Rev. ST Accel. Beams, 18, 6, 060704 (2015)
Related external records:
DOI: 10.1103/PhysRevSTAB.18.060704
WOS: WOS:000356586900001
Language(s):
English


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 Record created 2016-10-11, last modified 2019-01-30

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