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Effects of density gradient on short-bunch injection by wave breaking in the laser wake field acceleration
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10.1063/1.2181434
/content/aip/journal/pop/13/3/10.1063/1.2181434
http://aip.metastore.ingenta.com/content/aip/journal/pop/13/3/10.1063/1.2181434
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Initial electron density distribution, is set to 5 and for steep and gentle gradient cases, respectively.

Image of FIG. 2.
FIG. 2.

Spatial distribution of the component of the electric field in the plasma at (a) , (b) , (c) , and (d) from the laser injection into the plasma with steep density gradient of . The laser intensity is of the -polarized pulse and the plasma density is . The coordinates and here and afterward are given in units and the electric field strengths are in .

Image of FIG. 3.
FIG. 3.

Spatial distribution of the component of the electric field in the plasma at (a) , (b) , (c) , and (d) from the laser injection into the plasma with gentle density gradient of . The laser intensity is of -polarized pulse and the plasma density is .

Image of FIG. 4.
FIG. 4.

The angular distribution of energetic electrons; 50% of particles with energy are beneath the solid line.

Image of FIG. 5.
FIG. 5.

Spatial distribution of electron longitudinal momentum at the laser intensity of and the plasma density of with (a) steep: and (b) gentle: density gradient.

Image of FIG. 6.
FIG. 6.

Electron energy distribution at the plasma density of with steep: (solid line) and gentle: (dotted line) density gradient.

Image of FIG. 7.
FIG. 7.

The initial distribution of electron density for simulation of plasma shock wave.

Image of FIG. 8.
FIG. 8.

Spatial distribution of the component of the electric field in the plasma with the shock wave: (a) and (b) . The laser intensity is of -polarized pulse and the plasma density is .

Image of FIG. 9.
FIG. 9.

Electron energy distribution in plasma density of with steep density distribution without (solid line) and with (dotted line) shock wave.

Image of FIG. 10.
FIG. 10.

Relative charge of accelerated electrons depending on the focus position from the plasma-vacuum interface for the steep plasma density.

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/content/aip/journal/pop/13/3/10.1063/1.2181434
2006-03-31
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Effects of density gradient on short-bunch injection by wave breaking in the laser wake field acceleration
http://aip.metastore.ingenta.com/content/aip/journal/pop/13/3/10.1063/1.2181434
10.1063/1.2181434
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