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Acceleration of laser-driven ion bunch from double-layer thin foils
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10.1063/1.4714613
/content/aip/journal/pop/19/5/10.1063/1.4714613
http://aip.metastore.ingenta.com/content/aip/journal/pop/19/5/10.1063/1.4714613
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Net charge-density distributions (normalized by their initial values) along the laser propagation axis () at (a) and (b) . The blue solid and green dotted curves show the charge densities of the Al and H plasmas, respectively, the red dashed and purple dot-dashed curves show the normalized total charge and , respectively. For clarity, the latter are displaced by +0.75 and −0.9, respectively.

Image of FIG. 2.
FIG. 2.

(red dotted curve), (blue dot-dashed curve), proton density (green solid curve), and Al ion density (purple dashed curve) on at (a) and (b) . Here, is normalized by the initial laser amplitude. The vertical dashed lines mark the front boundaries of the H and Al layers. For clarity, the insets show the magnified center regions of the figures.

Image of FIG. 3.
FIG. 3.

2D distributions of (a) the laser field and (b) the charge-separation field at .

Image of FIG. 4.
FIG. 4.

The electrostatic field (blue dotted-dashed curve), and the Al ion (black dashed curve) and proton (red solid curve) densities on at .

Image of FIG. 5.
FIG. 5.

2D Proton density distribution at (a) and (b) . (c) Proton density on at , 18, 30, 42, 54, 66, 78, and 90, respectively. The initial proton density is .

Image of FIG. 6.
FIG. 6.

(a) Evolution of the energy spectrum of the proton bunch and (b) the average energy of the forward propagating protons (blue solid curve) and average energy of the faster (upper 40%) protons (green dashed curve).

Image of FIG. 7.
FIG. 7.

Evolution of the proton energy spectrum for a target with smaller (located in ) H layer.

Image of FIG. 8.
FIG. 8.

Energy density at for two targets with different initial H-layer densities and Al-layer densities. Blue dashed curve: Al layer thickness , H layer thickness . Green solid curve: Al layer thickness , H layer thickness . The other parameters are the same as those in Fig. 7.

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/content/aip/journal/pop/19/5/10.1063/1.4714613
2012-05-23
2014-04-16
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Acceleration of laser-driven ion bunch from double-layer thin foils
http://aip.metastore.ingenta.com/content/aip/journal/pop/19/5/10.1063/1.4714613
10.1063/1.4714613
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