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The effect of laser wavelength on laser-induced carbon plasma
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10.1063/1.4819892
/content/aip/journal/jap/114/8/10.1063/1.4819892
http://aip.metastore.ingenta.com/content/aip/journal/jap/114/8/10.1063/1.4819892
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Distribution of the plasma temperature 40 ns from the beginning of the laser pulse. On the left side: laser wavelength 355 nm. Right: laser wavelength 1064 nm.

Image of FIG. 2.
FIG. 2.

Distribution of the electron density 40 ns from the beginning of the laser pulse. On the left side: laser wavelength 355 nm. Right: laser wavelength 1064 nm.

Image of FIG. 3.
FIG. 3.

Absorption coefficients of 355 nm and 1064 nm radiation in carbon plasma at a pressure of 2 × 10 Pa. PI—denotes photoionization, IB—inverse bremsstrahlung.

Image of FIG. 4.
FIG. 4.

Distribution of the plume mass density 40 ns from the beginning of the laser pulse. On the left side: laser wavelength 355 nm. Right: laser wavelength 1064 nm.

Image of FIG. 5.
FIG. 5.

Total ablation rate (a) and total plasma absorption of the laser radiation in the plasma plume (b) as a function of time. Solid line—355 nm, broken line—1064 nm, dotted line—laser pulse. Thin lines—target surface temperature at r = 0.

Image of FIG. 6.
FIG. 6.

Axial profiles of the plume density and temperature as a function of distance from the target. Solid line—mass density, broken line—temperature, dotted line—velocity.

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/content/aip/journal/jap/114/8/10.1063/1.4819892
2013-08-30
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: The effect of laser wavelength on laser-induced carbon plasma
http://aip.metastore.ingenta.com/content/aip/journal/jap/114/8/10.1063/1.4819892
10.1063/1.4819892
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