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Laser-produced aluminum plasma expansion inside a plastic plasma envelope
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10.1063/1.4752071
/content/aip/journal/pop/19/9/10.1063/1.4752071
http://aip.metastore.ingenta.com/content/aip/journal/pop/19/9/10.1063/1.4752071
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

X-ray spectrometer in 2D imaging mode. The axis of the plasma expansion coincides with the z-direction, spectra are observed tangentially to the laser-irradiated target surface xy.

Image of FIG. 2.
FIG. 2.

2D spatially resolved monochromatic images of the expanding plasma formation at the massive Al target (non-constrained flow). The ion distribution is visualized via the Lyα emission of the hydrogenic Al (left) and resonance (w) and intercombination (y) lines of the He-like Al (right).

Image of FIG. 3.
FIG. 3.

2D images of the plasma jet produced at cylindrical Al target with the diameter of 400 μm embedded into plastic.

Image of FIG. 4.
FIG. 4.

Spatially resolved K-shell spectral emission from the laser-irradiated massive Al target (a) and from the cylindrical Al target embedded into plastic (b).

Image of FIG. 5.
FIG. 5.

Spatial distribution of the plasma electron temperature observed at the bare and constrained-flow Al targets.

Image of FIG. 6.
FIG. 6.

MEDUSA quasi-planar simulation of the temporal distribution of the electron density ne , temperature Te , and the excited state population Heα of the He-like Al ions in the distance of 1 mm from the target surface.

Image of FIG. 7.
FIG. 7.

Distributions of ion current densities for the bare Al target (a) and the Al-plastic target (b) measured at different angles with respect to the laser beam axis at a distance from the target L0 = 40 cm.

Image of FIG. 8.
FIG. 8.

The ion charge density distributions emitted in directions of the collectors for the bare Al target (a) and the Al-plastic target (b) at instant of 1 μs after the laser pulse.

Image of FIG. 9.
FIG. 9.

Spatial distributions of the ion charge density for the bare Al target (a) and the Al-plastic target (b) at the moment of 1 μs after the laser pulse.

Image of FIG. 10.
FIG. 10.

Comparison of distributions of the ion charge density for the bare Al target and the Al-plastic target in perpendicular (a) and parallel (b) directions regarding the target surface.

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/content/aip/journal/pop/19/9/10.1063/1.4752071
2012-09-13
2014-04-21
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Laser-produced aluminum plasma expansion inside a plastic plasma envelope
http://aip.metastore.ingenta.com/content/aip/journal/pop/19/9/10.1063/1.4752071
10.1063/1.4752071
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