Speaker
Description
The initial commissioning has started at the STAR infrastructure (Southern Europe Thomson Back-scattering Source for Applied Research) hosted by the University of Calabria in Southern Italy. STAR is a Compact Light Source serving a user facility with monochromatic, tunable, polarized, ps-duration X-ray photon beams in the 40–350 keV energy range.
The STAR project, and its high-energy upgrade, was developed in collaboration with INFN and coordinated by the Laboratories of Frascati (INFN-LNF), the INFN Milan Division, and the LASA laboratory.
STAR has recently achieved its first milestone with the acceleration of the electron beam and the high-energy IR laser pulse (500 mJ, 5 ps) both transported at the interaction point. The electrons were produced inside the high-brightness RF photoinjector (UV laser driven) with energies of a few MeV, 250 pC bunch charge and a temporal length of 5 ps FWHM. The electron beam was then accelerated to 61 MeV during the early commissioning phase, with the capability of reaching at least 150 MeV.
In this paper, we present the first characterization and transport of the electron beam from its generation at the photocathode to the interaction point. We also report the characterization of the two laser systems: the UV laser driving the photocathode and the infrared laser at the interaction point. The aim is to generate and characterize soon the first X-ray photon beams.
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