Abstract
EuPRAXIA@SPARC_LAB is a new Free Electron Laser (FEL) facility that is currently under construction at the Laboratori Nazionali di Frascati of the INFN. The electron beam driving the FEL will be delivered by an X-band normal conducting LINAC followed by a plasma wakefield acceleration stage. It will be characterized by a small footprint and will deliver ultra-bright photon pulses for experiments in the water window to the user community. In addition to the soft-X-rays beamline already planned in the project, we propose the installation of a second photon beamline with seeded FEL pulses in the range between 50 and 180 nm. Here, we will present the FEL generation scheme, the layout of the dedicated beamline and the potential applications of the FEL radiation source in this low energy range.
Highlights
Free Electron Laser (FEL) light source features are needed for a wide class of experiments [1,2,3,4,5,6,7]
We present the last layout of the EuPRAXIA@SPARC_LAB
We presented FEL simulations of the emitted radiation, an overview of the beam transport and diagnostics and some of the possible applications
Summary
Free Electron Laser (FEL) light source features are needed for a wide class of experiments [1,2,3,4,5,6,7]. This beamline will use the full undulator length available to the project and very high quality electron beams. In comparison with AQUA, a lower energy VUV beamline, such as ARIA, is easier to realize since it requires a larger input parameter acceptance and fewer undulators to lase (and has a lower economic impact on the project). For these reasons, the new VUV beamline may start its working life sooner than the AQUA beamline and can be used for machine commissioning. We will discuss the FEL, the photon beamline and its scientific case
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