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Experimental evidence of multimaterial jet formation with lasers
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10.1063/1.3511774
/content/aip/journal/pop/17/11/10.1063/1.3511774
http://aip.metastore.ingenta.com/content/aip/journal/pop/17/11/10.1063/1.3511774
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Experimental setup and diagnostics alignment.

Image of FIG. 2.
FIG. 2.

(a) Shadowgrams and (b) interferograms of the interaction of a copper jet with a helium gas and (c) electron density maps unfolded with Abel inversion at 7, 10, and 13 ns. The laser pulse is coming from the right and its energy equals to 31 J.

Image of FIG. 3.
FIG. 3.

Interferograms of the interaction of (a) a plastic jet, (b) an aluminum jet, and (c) a tantalum jet with a helium gas at 7, 10, and 13 ns. (d) Electron density maps unfolded with Abel inversion after 10 ns for CH, Al, and Cu. Laser energies were, respectively, equal to 32, 30, and 30 J.

Image of FIG. 4.
FIG. 4.

X-ray images of (a) plastic, (b) aluminum, (c) copper, and (d) tantalum jet interaction with a helium gas at 0, 5, and 10 ns. (e) X-ray image of copper jet without the helium gas puff.

Image of FIG. 5.
FIG. 5.

Interferograms of the interaction of (a) a plastic −50 nm copper jet, (c) a plastic −30 nm copper jet, and (e) a tantalum −65 nm aluminum jet with helium gas at 7, 10, and 13 ns. (b) shows magnifications of jets after 13 ns for the CH–Cu (50 nm) target and after 10 ns for the CH–Cu (30 nm) target. Jets obtained from pure copper target have been added at the same time for comparison. (d) presents phase maps (column density maps) from the copper target and from the CH–Cu (30 nm) target after 7, 10, and 13 ns.

Image of FIG. 6.
FIG. 6.

X-ray images of jets launched from (a) a massive copper slab, (b) a 50 nm layer of copper set on a massive slab of plastic, and (c) a 50 nm layer of copper set on a massive slab of plastic after 7 and 12 ns.

Image of FIG. 7.
FIG. 7.

X-ray images of jets launched from (a) a massive tantalum slab, (b) a massive aluminum slab, and (c) a 65 nm layer of aluminum set on a massive slab of tantalum at 0, 4 and 9 ns.

Image of FIG. 8.
FIG. 8.

Electron density distributions of the interaction of (a) a plastic jet, (b) an aluminum jet, and (c) a copper jet with a helium gas at 4, 7, and 10 ns. Laser energy is equals to 30 J.

Image of FIG. 9.
FIG. 9.

Fluid velocities after 4 (solid) and 7 ns (dashed) and sound speeds after 7 ns (dashed-dotted) for (a) plastic and (b) copper targets. (c) Density profiles for both materials after 7 ns.

Image of FIG. 10.
FIG. 10.

X-ray images obtained from the interaction of (a) a copper jet, (b) an aluminum jet, and (c) a plastic jet with a helium gas after 2.5, 5, 7.5, and 10 ns.

Image of FIG. 11.
FIG. 11.

Electron density distributions of the interaction of (a) a copper jet, (b) a plastic −100 nm copper jet, and (c) a plastic −40 nm copper jet with helium gas at 4, 7, and 10 ns.

Image of FIG. 12.
FIG. 12.

Fluid velocities (solid) and sound speeds (dashed) after (a) 4 and (b) 7 ns for the CH-40 nm Cu multilayer target. (c) Density profile after 7 ns.

Image of FIG. 13.
FIG. 13.

X-ray images of jets launched from (a) a massive copper slab and (b) a 40 nm layer of copper set on a massive slab of plastic. The last image on the bottom left shows the material positions during jet expansion.

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/content/aip/journal/pop/17/11/10.1063/1.3511774
2010-11-08
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Experimental evidence of multimaterial jet formation with lasers
http://aip.metastore.ingenta.com/content/aip/journal/pop/17/11/10.1063/1.3511774
10.1063/1.3511774
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