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Autofocused, enhanced proton acceleration from a nanometer-scale bulged foil
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10.1063/1.3503610
/content/aip/journal/pop/17/11/10.1063/1.3503610
http://aip.metastore.ingenta.com/content/aip/journal/pop/17/11/10.1063/1.3503610
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Schematic view of proton acceleration from a bulged target irradiated by a laser pulse. Here, the left light beam (red) represents the laser, the ball (gray) pellets are the protons, and the cloud (yellow) denotes electrons. (a) TNSA acceleration in the first stage. (b) Enhanced TNSA acceleration in the second stage.

Image of FIG. 2.
FIG. 2.

Foil density evolution (in units of critical density ) for LP laser at times [(a), (c), and (e)] and [(b), (d), and (f)] . The laser pulse is incident from the left and hits the plasma at (top: electrons, mid: protons, bottom: carbons).

Image of FIG. 3.
FIG. 3.

Proton energy (in units of MeV) and electric field (in units of ) for different targets with a LP laser at (TNSA regime). [(a) and (d)] Proton energy. [(b) and (e)] . [(c) and (f)] (left: bulged foil, right: planar foil).

Image of FIG. 4.
FIG. 4.

Proton energy (in units of MeV) and electric field (in units of ) for different targets with a LP laser at (enhanced TNSA regime). [(a) and (d)] Proton energy. [(b) and (e)] . [(c) and (f)] (left: bulged foil, right: planar foil).

Image of FIG. 5.
FIG. 5.

The electron energy spectrum for different targets with a LP laser at .

Image of FIG. 6.
FIG. 6.

(a) Proton energy evolution for bulge-out target and planar target. (b) Maximum proton energy vs radius of bulged target for LP laser.

Image of FIG. 7.
FIG. 7.

The proton energy spectrum for different targets with a LP laser at .

Image of FIG. 8.
FIG. 8.

(a) Number of forward energetic electrons vs initial transverse positions in PIC simulations at time . (b) Heating factor vs .

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/content/aip/journal/pop/17/11/10.1063/1.3503610
2010-11-18
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Autofocused, enhanced proton acceleration from a nanometer-scale bulged foil
http://aip.metastore.ingenta.com/content/aip/journal/pop/17/11/10.1063/1.3503610
10.1063/1.3503610
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