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| WEP076 |
A Superconducting Undulator With Variable Polarization Direction for the European FEL |
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- Y. Li
EuXFEL, Hamburg, Germany
- R. Rossmanith
DESY, Hamburg, Germany
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In the SASE3 beam line at the European XFEL a planar undulator produces linearly polarized radiation. In order to obtain a circularly polarized radiation an afterburner will be installed to produce coherent radiation with variable polarization. Recently Argonne National Lab developed a super conductive undulator (called SCAPE) for a storage ring which allows to change polarization direction and field strength without moving mechanically the undulator parts. In this paper it is investigated if a similar device could be useful for an FEL. Such device is also a possible choice for the future undulator beam lines where circular and variable polarization are required.
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| DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-FEL2019-WEP076
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| About • |
paper received ※ 19 August 2019 paper accepted ※ 17 September 2019 issue date ※ 05 November 2019 |
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