2021•Zenodo (CERN European Organization for Nuclear Research)Open access
FEL Performance and Beam Quality Assessment of Undulator Line for the CompactLight Facility.
Hector Mauricio Castañeda Cortés, David Dunning, Neil Thompson
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Abstract
The H₂020 CompactLight Project aims for the design of innovative, cost-effective, compact FEL facilities to generate higher peak brilliance radiation in the soft and hard X-ray. In this paper we assess via simulation studies the performance of a variably polarising APPLE-X afterburner positioned downstream of a helical Super Conducting Undulator (SCU). We discuss the optimum balance between the active SCU length and the afterburner length, considering the peak brilliance and pulse energy of the output. Our studies are complemented with analysis of the optical beam quality of the afterburner output to determine the design constraints of the photon beamline that delivers the FEL output to the experimental areas.