Speaker
Stuart Walker
(Deutsches Elektronen-Synchrotron DESY)
Description
Transporting low emittance, high current beams like those required for free electron lasers is non-trivial. A deflection arc designed without specific consideration for such high-quality beams may result in degraded performance in the downstream undulators due to non-zero longitudinal dispersion decompressing the beam or due to the coherent synchrotron radiation (CSR) increasing both the slice and projected emittances. In this paper we discuss the status of the design of a deflection arc for a proposed second fan at the European X-ray Free Electron Laser and some of the design considerations, particularly in order to assure isochronicity and CSR mitigation.
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Authors
Stuart Walker
(Deutsches Elektronen-Synchrotron DESY)
Winfried Decking
(Deutsches Elektronen-Synchrotron DESY)
Sergey Tomin
(Deutsches Elektronen-Synchrotron DESY)