Laser polarization dependence of proton emission from a thin foil target irradiated by a 70fs, intense laser pulse

Fukumi, Atsushi; Nishiuchi, Mamiko; Daido, Hiroyuki; Li, Z.; Sagisaka, A.; Ogura, K.; Orimo, Satoshi; Kado, M.; Hayashi, Yukio; Mori, M.; Bulanov, Sergei V.; Esirkepov, T. Zh.; Nemoto, Koshichi; Oishi, Yuji; Nayuki, Takuya; Fujii, Takashi; Noda, Akira; Nakamura, Shu

doi:10.1063/1.2074988

Cited by 45 publications

(26 citation statements)

References 14 publications

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“…2 and are well fitted by E max / ½cosð2Þ 2 0:5 , where is the angle between the optical axis of the wave plate and the direction of laser polarization. This proves that the acceleration is mainly driven by the p component of the laser electric field, confirming that the Brunel effect plays a key role in the acceleration [4,23]. The energy drop, when going from p to s polarization, also confirms the high temporal contrast of the laser.…”

supporting

confidence: 59%

Brunel-Dominated Proton Acceleration with a Few-Cycle Laser Pulse

et al. 2012

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supporting

confidence: 59%

Brunel-Dominated Proton Acceleration with a Few-Cycle Laser Pulse

et al. 2012

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“…68,69 We have also performed experiments with pulses up to 10 ps duration 61 and observed the same beam characteristics, suggesting the predominance of RSA for all these various pulse durations.…”

Section: General Discussion Regarding Rsa Versus Fsamentioning

confidence: 60%

Comparative spectra and efficiencies of ions laser-accelerated forward from the front and rear surfaces of thin solid foils

et al. 2007

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The maximum energy of protons that are accelerated forward by high-intensity, short-pulse lasers from either the front or rear surfaces of thin metal foils is compared for a large range of laser intensities and pulse durations. In the regime of moderately long laser pulse durations (300–850fs), and for high laser intensities [(1−6)×1019W∕cm2], rear-surface acceleration is shown experimentally to produce higher energy particles with smaller divergence and a higher efficiency than front-surface acceleration. For similar laser pulse durations but for lower laser intensities (2×1018Wcm−2), the same conclusion is reached from direct proton radiography of the electric fields associated with proton acceleration from the rear surface. For shorter (30–100fs) or longer (1–10ps) laser pulses, the same predominance of rear-surface acceleration in producing the highest energy protons is suggested by simulations and by comparison of analytical models with measured values. For this purpose, we have revised our previous analytical model of rear-surface acceleration [J. Fuchs et al., Nat. Phys. 2, 48 (2006)] to adapt it to the very short pulse durations. Finally, it appears, for the explored parameters, that rear-surface acceleration is the dominant mechanism.

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“…3,4,5) We have analyzed these experimental results. 6) We have also performed preliminary application experiments.…”

Section: Activities Of the Experimentsmentioning

confidence: 99%

Laser Driven Particle Accelerators and their Application to Science, Industry and Medicine

Daido

Yogo

Sagisaka

et al. 2008

The Review of Laser Engineering

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Laser polarization dependence of proton emission from a thin foil target irradiated by a 70fs, intense laser pulse

Cited by 45 publications

References 14 publications

Brunel-Dominated Proton Acceleration with a Few-Cycle Laser Pulse

Brunel-Dominated Proton Acceleration with a Few-Cycle Laser Pulse

Comparative spectra and efficiencies of ions laser-accelerated forward from the front and rear surfaces of thin solid foils

Laser Driven Particle Accelerators and their Application to Science, Industry and Medicine

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