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Plume dynamics and cluster formation in laser-ablated copper plasma in a magnetic field
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10.1063/1.3555590
/content/aip/journal/jap/109/7/10.1063/1.3555590
http://aip.metastore.ingenta.com/content/aip/journal/jap/109/7/10.1063/1.3555590
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Schematic of the experimental setup.

Image of FIG. 2.
FIG. 2.

(a) Schematic of the magnetic trap used. (b) Variation of magnetic field along the x axis and along the z axis.

Image of FIG. 3.
FIG. 3.

(Color online) Evolution of copper plume front in He ambient (a) without magnetic field; (b) with magnetic field at target position, (i) x = 2.5 cm, (ii) x = 1.0 cm, (iii) x = − 1.0 cm.

Image of FIG. 4.
FIG. 4.

(Color online) Evolution of copper plume front in Ar ambient (a) without magnetic field; (b) with magnetic field at target position, (i) x = 2.5 cm, (ii) x = 1.0 cm, (iii) x = −1.0 cm.

Image of FIG. 5.
FIG. 5.

Temporal variation of plume front with and without a magnetic field for (a) helium and (b) argon ambient.

Image of FIG. 6.
FIG. 6.

Emission spectra of copper plasma recorded at 2.5 mm from the target surface with and without a magnetic field in He ambient (a), (c) and in Ar ambient (b), (d).

Image of FIG. 7.
FIG. 7.

Temporal (at 2.5 mm from the target) and spatial (at 200 ns after the laser pulse) variation of electron temperature with and without a magnetic field in He ambient, (a), (b), and in Ar ambient (c), (d).

Image of FIG. 8.
FIG. 8.

Temporal (at 2.5 mm from the target) and spatial (at 200 ns after the laser pulse) variation of electron density with and without magnetic field in He ambient, (a), (b), and in Ar ambient (c), (d).

Image of FIG. 9.
FIG. 9.

Emission of Cu2 (A–X) bands at 10.5 and 12.5 mm in He and Ar ambient respectively from the target surface.

Image of FIG. 10.
FIG. 10.

Emission spectra of copper plume recorded at 6.5 mm from the target surface in He ambient: (a) without a magnetic field, (b) with a magnetic field at target positions (i) x = −1.0 cm, (ii) x = 1.0 cm, and (iii) x = 2.5 cm. P1, represents the Cu3 band at 335.00 nm, P2, P3, and P4 represent Cu2 bands at, 355.00, 390.00, and 426.00 nm, respectively.

Image of FIG. 11.
FIG. 11.

Emission spectra of copper plume recorded at 6.5 mm from the target surface in Ar ambient: (a) without a magnetic field and (b) with a magnetic field at target positions (i) x = −1.0 cm, (ii) x = 1.0 cm, and (iii) x = 2.5 cm. P1, represents the Cu3 band at 335.00 nm, P2, P3, and P4 represent Cu2 bands at 355.00, 390.0, and 426.00 nm, respectively.

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/content/aip/journal/jap/109/7/10.1063/1.3555590
2011-04-05
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Plume dynamics and cluster formation in laser-ablated copper plasma in a magnetic field
http://aip.metastore.ingenta.com/content/aip/journal/jap/109/7/10.1063/1.3555590
10.1063/1.3555590
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