Stable high-energy proton acceleration with water-leaf targets driven by intense laser pulses
Year: 2025
Type: article
Abstract: Laser plasma acceleration techniques hold promise for generating compact, high-flux relativistic proton bunches. However, the inherent instability of laser-plasma interactions and the requirement for reliable proton source stability often hinder their practical applications. In this paper, we explore the potential of a water-leaf target irradiated by 27 fs laser pulses with energies ranging from 1.1 to 9.9 J and peak intensities spanning from 10 20 to 10 21 W/cm 2 . We finally conducted a series of 400 shots with a peak power of 300 TW, producing proton energies up to 30 MeV and peak flux beyond 10 9 protons MeV − 1 msr − 1 . These results demonstrate the possibility of long-term, stable, and efficient proton acceleration at high repetition rates, addressing a key challenge in laser-plasma acceleration.
Source: Physical Review Research
Authors: L. R. He, M. Bachhammer, F. Balling, S. Biswas, L. Doyle, S. Gerlach, I. Hofrichter, M. Kharbedia, J. Liese, M. De Marco, T. Pohle, A. Praßelsperger, A.-K. Schmidt, F. Schweiger, M. F. Kling, S. Karsch, J. Schreiber
Language: English
Subfield: Nuclear and High Energy Physics
Field: Physics and Astronomy
Domain: Physical Sciences
Open Access status: gold
Estimated APC paid: $2,625
Awards: G1477289871, Über den nichtthermischen Beitrag zur Erzeugung von Schallwellen bei rapidem und lokalisiertem Energieeintrag mit Laserimpulsen und Teilchenpaketen, G6255319022, Verbundprojekt 05P2021 (ErUM-FSP T05) - Aufbau von APPA bei FAIR: Diagnostik: 'I-BEAT 2: Ultraschall-basierte Messung der Energie- und Winkelverteilung einzelner Ionenpakete'
OpenAlex ID: W4410775464