Effects of front surface plasma expansion on proton acceleration in ultraintense laser irradiation of foil targets

P. McKenna; D.C. Carroll; O. Lundh; F. Nurnberg; Keith Markey; S. Bandyopadhyay; D. Batani; R.G. Evans; R. Jafer; Satyabrata Kar; D. Neely; D. Pepler; M.N. Quinn; R. Redaelli; M. Roth; C.G. Wahlstrom; X.H. Yuan; Matthew Zepf

doi:10.1017/S0263034608000657

Effects of front surface plasma expansion on proton acceleration in ultraintense laser irradiation of foil targets

P. McKenna, D.C. Carroll, O. Lundh, F. Nurnberg, Keith Markey, S. Bandyopadhyay, D. Batani, R.G. Evans, R. Jafer, Satyabrata Kar, D. Neely, D. Pepler, M.N. Quinn, R. Redaelli, M. Roth, C.G. Wahlstrom, X.H. Yuan, Matthew Zepf

Research output: Contribution to journal › Article › peer-review

80 Citations (Scopus)

Abstract

The properties of beams of high energy protons accelerated during ultraintense, picosecond laser-irradiation of thin foil targets are investigated as a function of preplasma expansion at the target front surface. Significant enhancement in the maximum proton energy and laser-to-proton energy conversion efficiency is observed at optimum preplasma density gradients due, to self-focusing Of the incident laser pulse. For very long preplasma expansion, the propagating laser pulse is observed to filament, resulting in highly uniform proton beams, but with reduced flux and maximum energy.

Original language	English
Pages (from-to)	591-596
Number of pages	6
Journal	Laser And Particle Beams
Volume	26
Issue number	4
DOIs	https://doi.org/10.1017/S0263034608000657
Publication status	Published - Dec 2008

ASJC Scopus subject areas

Condensed Matter Physics
Atomic and Molecular Physics, and Optics
Electrical and Electronic Engineering

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McKenna, P., Carroll, D. C., Lundh, O., Nurnberg, F., Markey, K., Bandyopadhyay, S., Batani, D., Evans, R. G., Jafer, R., Kar, S., Neely, D., Pepler, D., Quinn, M. N., Redaelli, R., Roth, M., Wahlstrom, C. G., Yuan, X. H., & Zepf, M. (2008). Effects of front surface plasma expansion on proton acceleration in ultraintense laser irradiation of foil targets. Laser And Particle Beams, 26(4), 591-596. https://doi.org/10.1017/S0263034608000657

McKenna, P. ; Carroll, D.C. ; Lundh, O. ; Nurnberg, F. ; Markey, Keith ; Bandyopadhyay, S. ; Batani, D. ; Evans, R.G. ; Jafer, R. ; Kar, Satyabrata ; Neely, D. ; Pepler, D. ; Quinn, M.N. ; Redaelli, R. ; Roth, M. ; Wahlstrom, C.G. ; Yuan, X.H. ; Zepf, Matthew. / Effects of front surface plasma expansion on proton acceleration in ultraintense laser irradiation of foil targets. In: Laser And Particle Beams. 2008 ; Vol. 26, No. 4. pp. 591-596.

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title = "Effects of front surface plasma expansion on proton acceleration in ultraintense laser irradiation of foil targets",

abstract = "The properties of beams of high energy protons accelerated during ultraintense, picosecond laser-irradiation of thin foil targets are investigated as a function of preplasma expansion at the target front surface. Significant enhancement in the maximum proton energy and laser-to-proton energy conversion efficiency is observed at optimum preplasma density gradients due, to self-focusing Of the incident laser pulse. For very long preplasma expansion, the propagating laser pulse is observed to filament, resulting in highly uniform proton beams, but with reduced flux and maximum energy.",

author = "P. McKenna and D.C. Carroll and O. Lundh and F. Nurnberg and Keith Markey and S. Bandyopadhyay and D. Batani and R.G. Evans and R. Jafer and Satyabrata Kar and D. Neely and D. Pepler and M.N. Quinn and R. Redaelli and M. Roth and C.G. Wahlstrom and X.H. Yuan and Matthew Zepf",

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pages = "591--596",

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McKenna, P, Carroll, DC, Lundh, O, Nurnberg, F, Markey, K, Bandyopadhyay, S, Batani, D, Evans, RG, Jafer, R, Kar, S, Neely, D, Pepler, D, Quinn, MN, Redaelli, R, Roth, M, Wahlstrom, CG, Yuan, XH & Zepf, M 2008, 'Effects of front surface plasma expansion on proton acceleration in ultraintense laser irradiation of foil targets', Laser And Particle Beams, vol. 26, no. 4, pp. 591-596. https://doi.org/10.1017/S0263034608000657

Effects of front surface plasma expansion on proton acceleration in ultraintense laser irradiation of foil targets. / McKenna, P.; Carroll, D.C.; Lundh, O.; Nurnberg, F.; Markey, Keith; Bandyopadhyay, S.; Batani, D.; Evans, R.G.; Jafer, R.; Kar, Satyabrata; Neely, D.; Pepler, D.; Quinn, M.N.; Redaelli, R.; Roth, M.; Wahlstrom, C.G.; Yuan, X.H.; Zepf, Matthew.

In: Laser And Particle Beams, Vol. 26, No. 4, 12.2008, p. 591-596.

Research output: Contribution to journal › Article › peer-review

TY - JOUR

T1 - Effects of front surface plasma expansion on proton acceleration in ultraintense laser irradiation of foil targets

AU - McKenna, P.

AU - Carroll, D.C.

AU - Lundh, O.

AU - Nurnberg, F.

AU - Markey, Keith

AU - Bandyopadhyay, S.

AU - Batani, D.

AU - Evans, R.G.

AU - Jafer, R.

AU - Kar, Satyabrata

AU - Neely, D.

AU - Pepler, D.

AU - Quinn, M.N.

AU - Redaelli, R.

AU - Roth, M.

AU - Wahlstrom, C.G.

AU - Yuan, X.H.

AU - Zepf, Matthew

PY - 2008/12

Y1 - 2008/12

N2 - The properties of beams of high energy protons accelerated during ultraintense, picosecond laser-irradiation of thin foil targets are investigated as a function of preplasma expansion at the target front surface. Significant enhancement in the maximum proton energy and laser-to-proton energy conversion efficiency is observed at optimum preplasma density gradients due, to self-focusing Of the incident laser pulse. For very long preplasma expansion, the propagating laser pulse is observed to filament, resulting in highly uniform proton beams, but with reduced flux and maximum energy.

AB - The properties of beams of high energy protons accelerated during ultraintense, picosecond laser-irradiation of thin foil targets are investigated as a function of preplasma expansion at the target front surface. Significant enhancement in the maximum proton energy and laser-to-proton energy conversion efficiency is observed at optimum preplasma density gradients due, to self-focusing Of the incident laser pulse. For very long preplasma expansion, the propagating laser pulse is observed to filament, resulting in highly uniform proton beams, but with reduced flux and maximum energy.

U2 - 10.1017/S0263034608000657

DO - 10.1017/S0263034608000657

M3 - Article

VL - 26

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EP - 596

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JF - Laser And Particle Beams

SN - 0263-0346

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