Quasi-monoenergetic deuteron acceleration via boosted coulomb explosion by reflected picosecond laser pulse

Abstract Generation of quasi-monoenergetic ions by intense laser is one of long-standing goals in laser-plasma physics. However, existing laser-driven ion acceleration schemes often produce broad energy spectra and limited control over ion species. Here we propose the acceleration mechanism, boosted Coulomb explosion, initiated by a standing wave, which is formed in a pre-expanded plasma by the interference between a continuously incoming main laser pulse and the pulse reflected by a solid target, where the pre-expanded plasma is formed from a thin layer on the solid target by a relatively strong pre-pulse. This mechanism produces a persistent Coulomb field on the target front side with field strengths on the order of TV/m for picoseconds. We experimentally demonstrate generation of quasi-monoenergetic deuterons up to 50 MeV using an in-situ D 2 O-deposited target. Our results show that the peak energy can be tuned by the laser pulse duration.

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Publication Details

Journal
Nature Communications
Published
2026-05-29
DOI
https://doi.org/10.1038/s41467-026-73196-9
Primary Topic
Chemical Reactions and Isotopes
Type
article
Field-Weighted Citation Impact
0.00

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article

Quasi-monoenergetic deuteron acceleration via boosted coulomb explosion by reflected picosecond laser pulse

Tianyun Wei, Nobuhiko Nakanii, A. Morace, Akifumi Yogo et al.
Nature Communications
Chemical Reactions and Isotopes
article

Quasi-monoenergetic deuteron acceleration via boosted coulomb explosion by reflected picosecond laser pulse

Tianyun Wei, Nobuhiko Nakanii, A. Morace, Akifumi Yogo, S. V. Bulanov, M. Kando, S. R. Mirfayzi, Yasunobu Arikawa, Y. J. Gu, Takehito Hayakawa, Kohei Yamanoi, Zechen Lan, Ryuya Yamada, Koichi Honda
article en

Abstract

Abstract Generation of quasi-monoenergetic ions by intense laser is one of long-standing goals in laser-plasma physics. However, existing laser-driven ion acceleration schemes often produce broad energy spectra and limited control over ion species. Here we propose the acceleration mechanism, boosted Coulomb explosion, initiated by a standing wave, which is formed in a pre-expanded plasma by the interference between a continuously incoming main laser pulse and the pulse reflected by a solid target, where the pre-expanded plasma is formed from a thin layer on the solid target by a relatively strong pre-pulse. This mechanism produces a persistent Coulomb field on the target front side with field strengths on the order of TV/m for picoseconds. We experimentally demonstrate generation of quasi-monoenergetic deuterons up to 50 MeV using an in-situ D 2 O-deposited target. Our results show that the peak energy can be tuned by the laser pulse duration.

Nature CommunicationsVol. 17(1)
Tokamak Energy (United Kingdom) (GB), Institute for Laser Technology (JP), Extreme Light Infrastructure Beamlines (CZ), National Institutes for Quantum Science and Technology (JP), Osaka Research Institute of Industrial Science and Technology (JP), The University of Osaka (JP)
Osaka University, Japan Society for the Promotion of Science, Japan Science and Technology Agency, Precursory Research for Embryonic Science and Technology
Openalex Percentile: Top 100%
Chemical Reactions and Isotopes
DOIOpen Access PDFOpenAlex
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