| Paper |
Title |
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| TUPMF021 |
Investigation of Options for Damping Trapped IVU Resonances |
1296 |
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- R.T. Dowd
AS - ANSTO, Clayton, Australia
- W.J. Chi, D. Pelz
RFS, Kilsyth, Australia
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Trapped resonances have been observed within the three In-Vacuum Undulators (IVUs) insertion devices at the Australian Synchrotron. These resonances can create vertical beam instability if not controlled through transverse feedback systems. Similar resonances have been observed at other synchrotron light sources around the world. Under certain conditions of undulator gap, these resonances can couple quite strongly to the beam, requiring high feedback gain. An investigation of the resonances has been carried out using 3D eigenmode and wakefield simulations to understand the resonances and determine the effectiveness of various schemes for modifying the damping the resonances.
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| DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IPAC2018-TUPMF021
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