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8 June 2023 50 MeV electron beams from a scalable kHz laser (Conference Presentation)
Carlo Maria Lazzarini, Gabriele Maria Grittani, Petr Valenta, Illia Zymak, Roman Antipenkov, Uddhab Chaulagain, Leonardo Vila Nova Goncalves, Annika Grenfell, Marcel Lamac, Sebastian Lorenz, Michal Nevrkla, Vaclav Sobr, Alexandr Spacek, Wojciech Jerzy Szuba, Pavel Bakule, Georg Korn, Sergei Vladimirovich Bulanov
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Proceedings Volume PC12579, Laser Acceleration of Electrons, Protons, and Ions VII; PC125790I (2023) https://doi.org/10.1117/12.2669160
Event: SPIE Optics + Optoelectronics, 2023, Prague, Czech Republic
Abstract
The extremely high electric fields sustainable by a plasma make the Laser Wakefield Acceleration (LWFA) the most compact technique to generate very highly relativistic electron beams in the GeV regime. The limited repetition rate and low efficiency of this technology has, to date, prevented to unleash its full potential as a unique source for basic research, biomedical applications and high flux sources of secondary radiations as hard X-rays and gamma-rays. In very recent years different works show a new research direction on electron acceleration at 1 kHz repetition rate. In this talk I will show the laser-driven acceleration of unprecedented, collimated (2 mrad) and quasi-monoenergetic (ΔE/E = 25%) electron beams with energy up to 50 MeV at 1 kHz repetition rate. The laser driver is the in-house developed L1-Allegra multi-cycle (15 fs) 1 kHz OPCPA system, operating at 26 mJ (1.7 TW). Said innovative results have been achieved in the new Laser Wakefield ALFA platform for user experiments developed at ELI-Beamlines. The scalability of the driver laser technology and the electron beams reported in this work pave the way towards developing high brilliance X-ray sources for medical imaging, innovative devices for brain cancer treatment and represent a step forward to the realization of a kHz GeV electron beamline.
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Carlo Maria Lazzarini, Gabriele Maria Grittani, Petr Valenta, Illia Zymak, Roman Antipenkov, Uddhab Chaulagain, Leonardo Vila Nova Goncalves, Annika Grenfell, Marcel Lamac, Sebastian Lorenz, Michal Nevrkla, Vaclav Sobr, Alexandr Spacek, Wojciech Jerzy Szuba, Pavel Bakule, Georg Korn, and Sergei Vladimirovich Bulanov "50 MeV electron beams from a scalable kHz laser (Conference Presentation)", Proc. SPIE PC12579, Laser Acceleration of Electrons, Protons, and Ions VII, PC125790I (8 June 2023); https://doi.org/10.1117/12.2669160
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KEYWORDS
Electron beams
Pulsed laser operation
Fiber lasers
Laser applications
Laser systems engineering
Laser development
Radiotherapy
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