Tuning and characterisation of Twente Wiggler

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Abstract

For correcting field errors in the Twente wiggler small metal shims were placed on the pole faces. When applied to correct errors in the on-axis field a large increase in the errors in the off-axis field was found. When instead errors in the off-axis field are corrected, the errors in the on-axis field are reduced as well. Only small corrections were locally required to make the errors in the on-axis field acceptable. The focussing strength of the wiggler has been measured in both transverse planes and was found to lead to a slightly elliptical shape for a matched electron beam. Longitudinal phase errors have been measured for the Twente wiggler and are negligible.
Original languageUndefined
Pages (from-to)508-510
Number of pages3
JournalNuclear instruments & methods in physics research. Section A : Accelerators, spectrometers, detectors and associated equipment
Volume375
Issue numberA375
DOIs
Publication statusPublished - 1996

Keywords

  • METIS-129682
  • IR-24881

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