Controlling the properties of ultraintense laser-proton sources using transverse refluxing of hot electrons in shaped mass-limited targets

O. Tresca; D. C. Carroll; X. H. Yuan; B. Aurand; V. Bagnoud; C. M. Brenner; M. Coury; J. Fils; R. J. Gray; T. Kuehl; C. Li; Y. T. Li; X. X. Lin; M. N. Quinn; R. G. Evans; B. Zielbauer; M. Roth; D. Neely; P. McKenna

doi:10.1088/0741-3335/53/10/105008

Controlling the properties of ultraintense laser-proton sources using transverse refluxing of hot electrons in shaped mass-limited targets

O. Tresca, D. C. Carroll, X. H. Yuan, B. Aurand, V. Bagnoud, C. M. Brenner, M. Coury, J. Fils, R. J. Gray, T. Kuehl, C. Li, Y. T. Li, X. X. Lin, M. N. Quinn, R. G. Evans, B. Zielbauer, M. Roth, D. Neely, P. McKenna

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Abstract

We report on the transverse refluxing of energetic electrons in mass-limited foil targets irradiated with high intensity (1 x 10(19)Wcm(-2)), picosecond laser pulses. It is shown experimentally that the maximum energies of protons accelerated by sheath fields formed at the rear and at the edges of the target increase with decreasing target size. This is due to the modification of the sheath field by the energetic electrons which spread laterally along the target surface and reflect from the edges. In addition, it is shown that this transverse refluxing of energetic electrons can be used to tailor the spatial-intensity distribution of the proton beam by engineering the shape and size of the target.

Original language	English
Article number	105008
Pages (from-to)	-
Number of pages	9
Journal	Plasma Physics and Controlled Fusion
Volume	53
Issue number	10
Early online date	15 Sep 2011
DOIs	https://doi.org/10.1088/0741-3335/53/10/105008
Publication status	Published - Oct 2011

Keywords

irradiation
solids
generation
plasma

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KEY PHYSICS FOR INERTIAL CONFINEMENT DIAGNOSED BY ION EMISSION
McKenna, P.
EPSRC (Engineering and Physical Sciences Research Council)
1/10/07 → 30/09/11
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Tresca, O., Carroll, D. C., Yuan, X. H., Aurand, B., Bagnoud, V., Brenner, C. M., Coury, M., Fils, J., Gray, R. J., Kuehl, T., Li, C., Li, Y. T., Lin, X. X., Quinn, M. N., Evans, R. G., Zielbauer, B., Roth, M., Neely, D., & McKenna, P. (2011). Controlling the properties of ultraintense laser-proton sources using transverse refluxing of hot electrons in shaped mass-limited targets. Plasma Physics and Controlled Fusion, 53(10), -. [105008]. https://doi.org/10.1088/0741-3335/53/10/105008

Tresca, O. ; Carroll, D. C. ; Yuan, X. H. ; Aurand, B. ; Bagnoud, V. ; Brenner, C. M. ; Coury, M. ; Fils, J. ; Gray, R. J. ; Kuehl, T. ; Li, C. ; Li, Y. T. ; Lin, X. X. ; Quinn, M. N. ; Evans, R. G. ; Zielbauer, B. ; Roth, M. ; Neely, D. ; McKenna, P. / Controlling the properties of ultraintense laser-proton sources using transverse refluxing of hot electrons in shaped mass-limited targets. In: Plasma Physics and Controlled Fusion. 2011 ; Vol. 53, No. 10. pp. -.

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abstract = "We report on the transverse refluxing of energetic electrons in mass-limited foil targets irradiated with high intensity (1 x 10(19)Wcm(-2)), picosecond laser pulses. It is shown experimentally that the maximum energies of protons accelerated by sheath fields formed at the rear and at the edges of the target increase with decreasing target size. This is due to the modification of the sheath field by the energetic electrons which spread laterally along the target surface and reflect from the edges. In addition, it is shown that this transverse refluxing of energetic electrons can be used to tailor the spatial-intensity distribution of the proton beam by engineering the shape and size of the target.",

keywords = "irradiation, solids, generation, plasma",

author = "O. Tresca and Carroll, {D. C.} and Yuan, {X. H.} and B. Aurand and V. Bagnoud and Brenner, {C. M.} and M. Coury and J. Fils and Gray, {R. J.} and T. Kuehl and C. Li and Li, {Y. T.} and Lin, {X. X.} and Quinn, {M. N.} and Evans, {R. G.} and B. Zielbauer and M. Roth and D. Neely and P. McKenna",

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Tresca, O, Carroll, DC, Yuan, XH, Aurand, B, Bagnoud, V, Brenner, CM, Coury, M, Fils, J, Gray, RJ, Kuehl, T, Li, C, Li, YT, Lin, XX, Quinn, MN, Evans, RG, Zielbauer, B, Roth, M, Neely, D & McKenna, P 2011, 'Controlling the properties of ultraintense laser-proton sources using transverse refluxing of hot electrons in shaped mass-limited targets', Plasma Physics and Controlled Fusion, vol. 53, no. 10, 105008, pp. -. https://doi.org/10.1088/0741-3335/53/10/105008

Controlling the properties of ultraintense laser-proton sources using transverse refluxing of hot electrons in shaped mass-limited targets. / Tresca, O.; Carroll, D. C.; Yuan, X. H.; Aurand, B.; Bagnoud, V.; Brenner, C. M.; Coury, M.; Fils, J.; Gray, R. J.; Kuehl, T.; Li, C.; Li, Y. T.; Lin, X. X.; Quinn, M. N.; Evans, R. G.; Zielbauer, B.; Roth, M.; Neely, D.; McKenna, P.

In: Plasma Physics and Controlled Fusion, Vol. 53, No. 10, 105008, 10.2011, p. -.

Research output: Contribution to journal › Article

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AU - Bagnoud, V.

AU - Brenner, C. M.

AU - Coury, M.

AU - Fils, J.

AU - Gray, R. J.

AU - Kuehl, T.

AU - Li, C.

AU - Li, Y. T.

AU - Lin, X. X.

AU - Quinn, M. N.

AU - Evans, R. G.

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AU - Roth, M.

AU - Neely, D.

AU - McKenna, P.

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Controlling the properties of ultraintense laser-proton sources using transverse refluxing of hot electrons in shaped mass-limited targets

Abstract

Keywords

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