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Pae, Kihong
초강력 레이저과학 연구단
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Low-divergence relativistic proton jet from a thin solid target driven by an ultra-intense circularly polarized Laguerre-Gaussian laser pulse

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Title
Low-divergence relativistic proton jet from a thin solid target driven by an ultra-intense circularly polarized Laguerre-Gaussian laser pulse
Author(s)
Ki Hong Pae; Hoon Song; Chang-Mo Ryu; Chang Hee Nam; Chul Min Kim
Subject
Laguerre-Gaussian pulse, ; laser-driven ion acceleration, ; radiation pressure acceleration
Publication Date
2020-05
Journal
PLASMA PHYSICS AND CONTROLLED FUSION, v.62, no.5, pp.055009
Publisher
IOP PUBLISHING LTD
Abstract
© 2020 IOP Publishing Ltd.We propose a new ion acceleration scheme of irradiating a thin solid target with an ultraintense circularly polarized Laguerre-Gaussian (LG) laser pulse. Three-dimensional particle-in-cell simulations are performed to demonstrate that this scheme can generate a low-divergence high-density relativistic proton jet. By this scheme, the number of protons emitted with a small angle (<1°) from the laser axis can be more than tens of times as high as that of the protons accelerated by a circularly polarized Gaussian pulse. The inward ponderomotive force of the LG pulse drives such a proton beam along the laser axis
URI
https://pr.ibs.re.kr/handle/8788114/8613
DOI
10.1088/1361-6587/ab7d27
ISSN
0741-3335
Appears in Collections:
Center for Relativistic Laser Science(초강력 레이저과학 연구단) > 1. Journal Papers (저널논문)
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