Abstract
Laser wake field acceleration (LWFA) is an efficient method to accelerate electron beams to high energy. This is a benefit in research infrastructures where a multidisciplinary environment can benefit from the different secondary sources enabled, having the opportunity to extend the range of applications that is accessible and to develop new ideas for fundamental studies. The ELI Beamline project is oriented to deliver such beams to the scientific community both for applied and fundamental research. The driver laser is a Ti:Sa diode-pumped system , running at a maximum performance of 10 Hz, 30 J, and 30 fs. The possibilities to setup experiments using different focal lengths parabolas, as well as the possibility to counter-propagate a second laser beam intrinsically synchronized, are considered in the electron acceleration program. Here, we review the laser-driven electron acceleration experimental platform under implementation at ELI Beamlines, the HELL (High-energy Electrons by Laser Light) experimental platform .
Highlights
Laser-plasma electron acceleration [1] allows for generating high-energy particles in relatively short distances as compared to conventional linear accelerator systems, allowing for such energeticAppl
Since Laser wake field acceleration (LWFA) is rapidly evolving and experimentally observed maximum energies are quickly increasing [11], a value of 10 GeV is used for the implementation of electron spectrometry into the HELL platform, as well as radioprotection considerations
ELI-Beamlines. Detailed view of the HELL platform showing the auxiliary chamber with the the off-axis parabola (OAP), the deformable mirror (DM) and leak mirrors; the interaction chamber with the basic driver beam for laser wake
Summary
Laser-plasma electron acceleration [1] allows for generating high-energy particles in relatively short distances as compared to conventional linear accelerator systems, allowing for such energetic. Such requirements in terms of electron energy and setup flexibility, in the case of PW-class lasers to use two separate vacuum chambers: one for the laser driver, which includes the main focusing suggest to use two separate vacuum chambers: one for the laser driver, which includes the main focusing optics, and one for the acceleration areas These two chambers are connected through vacuum pipes to allow for the propagation of the laser beams. Since LWFA is rapidly evolving and experimentally observed maximum energies are quickly increasing [11], a value of 10 GeV is used for the implementation of electron spectrometry into the HELL platform, as well as radioprotection considerations In this manuscript, we provide a general overview of the capabilities of the HELL platform, reporting its main technical features and the main related research and development activities, with the intent to highlight the experimental potentialities that such a platform will offer to the ELI user’s community
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