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 language | Undefined |
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Pages (from-to) | 508-510 |
Number of pages | 3 |
Journal | Nuclear instruments & methods in physics research. Section A : Accelerators, spectrometers, detectors and associated equipment |
Volume | 375 |
Issue number | A375 |
DOIs | |
Publication status | Published - 1996 |
Keywords
- METIS-129682
- IR-24881