Efficient generation of   100 MeV ions from ultrashort   1021 W cm−2 laser pulse interaction with a waveguide target

Laser-to-ion energy conversion efficiency is important for ion-beam driven inertial confinement fusion. We propose to use a suitable plasma waveguide to enhance ion acceleration driven by an ultrashort   1021 W cm−2 laser pulse. Three-dimensional (3D) particle-in-cell (PIC) simulations show that, co...

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Published in:Nuclear fusion 2019-05, Vol.59 (6)
Main Authors: Zou, D.B., Yu, D.Y., Yu, M.Y., Huang, T.W., Pukhov, A., Zhuo, H.B., Zhou, C.T., Ruan, S.C.
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Language:English
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fusion ignition
ion acceleration
plasma physics
ultra-intense laser
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container_issue 6
container_start_page
container_title Nuclear fusion
container_volume 59
creator Zou, D.B.
Yu, D.Y.
Yu, M.Y.
Huang, T.W.
Pukhov, A.
Zhuo, H.B.
Zhou, C.T.
Ruan, S.C.
description Laser-to-ion energy conversion efficiency is important for ion-beam driven inertial confinement fusion. We propose to use a suitable plasma waveguide to enhance ion acceleration driven by an ultrashort   1021 W cm−2 laser pulse. Three-dimensional (3D) particle-in-cell (PIC) simulations show that, compared with that of the standard planar target, more than an order of magnitude increase of the maximum ion energy and energy conversion efficiency is possible. In particular, with a laser of intensity W cm−2, duration 26.7 fs and energy 0.85 J, 3D PIC simulations show that one can obtain 46 MeV protons and 150 MeV carbon ions, and   15% laser-to-ion energy conversion efficiency.
doi_str_mv 10.1088/1741-4326/ab1121
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subjects fusion ignition
ion acceleration
plasma physics
ultra-intense laser
title Efficient generation of   100 MeV ions from ultrashort   1021 W cm−2 laser pulse interaction with a waveguide target
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