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Laser-triggered ion acceleration from a double-layer foil
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10.1063/1.3105991
/content/aip/journal/pop/16/4/10.1063/1.3105991
http://aip.metastore.ingenta.com/content/aip/journal/pop/16/4/10.1063/1.3105991
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Sketch of a double-layer target and characteristic profile of the sheath electric field.

Image of FIG. 2.
FIG. 2.

Spatial distribution of the proton velocity (in the units ) for . Time is given in the units.

Image of FIG. 3.
FIG. 3.

Evolution of the electric field (a) and the proton density (b) in comparison with results of the hybrid model (dashed lines) for , , and for the case of immobile heavy ions . Panel (c) shows the proton energy spectrum (energy is in units of ). Time is given in the units.

Image of FIG. 4.
FIG. 4.

Hybrid simulation of the evolution of the electric field at the heavy-ion front for without a proton layer (curve 1), with it for and (curve 2), and for and (curve 3); . Dashed curves correspond to Eq. (13).

Image of FIG. 5.
FIG. 5.

Evolution of the proton density for , , and in the case of [panel (a)]. Panel (b) shows the proton energy spectrum (energy is in units of ). Time is given in the units. Dashed lines correspond to the limit of immobile heavy ions .

Image of FIG. 6.
FIG. 6.

Dependence of the peak energy in the proton spectrum on the proton areal density (parameter ) for (large points) and (small points). Solid line corresponds to proposed fit (14).

Image of FIG. 7.
FIG. 7.

First stage of the proton energy spectrum evolution obtained in the full PIC simulation. The parameters are given in Sec. III.

Image of FIG. 8.
FIG. 8.

Second stage of the proton energy spectrum evolution obtained in the full PIC simulation. Insert shows two spectra at 220 and 496 fs in the linear scale.

Image of FIG. 9.
FIG. 9.

Proton phase space obtained in the full PIC simulation at the instant of 351 fs.

Image of FIG. 10.
FIG. 10.

Ion density distribution at the instant of 351 fs.

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/content/aip/journal/pop/16/4/10.1063/1.3105991
2009-04-17
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Laser-triggered ion acceleration from a double-layer foil
http://aip.metastore.ingenta.com/content/aip/journal/pop/16/4/10.1063/1.3105991
10.1063/1.3105991
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