title: Laser ion acceleration via control of the near-critical density target.
abstract: Duration-controlled amplified spontaneous emission with an intensity of 10(13) W/cm(2) is used to convert a 7.5-microm -thick polyimide foil into a near-critical plasma, in which the p -polarized, 45-fs , 10(19) -Wcm (2) laser pulse generates 3.8-MeV protons, emitted at some angle between the target normal and the laser propagation direction of 45 degrees . Particle-in-cell simulations reveal that the efficient proton acceleration is due to the generation of a quasistatic magnetic field on the target rear side with magnetic pressure inducing and sustaining a charge separation electrostatic field.
authors: Kansai Photon Science Institute, Japan Atomic Energy Agency (JAEA), Kyoto 619-0215, Japan.
authors: A
authors: A
authors: Yogo
authors: H
authors: H
authors: Daido
authors: S V
authors: SV
authors: Bulanov
authors: K
authors: K
authors: Nemoto
authors: Y
authors: Y
authors: Oishi
authors: T
authors: T
authors: Nayuki
authors: T
authors: T
authors: Fujii
authors: K
authors: K
authors: Ogura
authors: S
authors: S
authors: Orimo
authors: A
authors: A
authors: Sagisaka
authors: J-L
authors: JL
authors: Ma
authors: T Zh
authors: TZh
authors: Esirkepov
authors: M
authors: M
authors: Mori
authors: M
authors: M
authors: Nishiuchi
authors: A S
authors: AS
authors: Pirozhkov
authors: S
authors: S
authors: Nakamura
authors: A
authors: A
authors: Noda
authors: H
authors: H
authors: Nagatomo
authors: T
authors: T
authors: Kimura
authors: T
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authors: Tajima