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Spectroscopic study of laser-induced Al plasmas with cylindrical confinement
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10.1063/1.2801405
/content/aip/journal/jap/102/9/10.1063/1.2801405
http://aip.metastore.ingenta.com/content/aip/journal/jap/102/9/10.1063/1.2801405

Figures

Image of FIG. 1.
FIG. 1.

Schematic diagrams of the experimental setup for (a) optical emission spectroscopy and (b) fast imaging.

Image of FIG. 2.
FIG. 2.

(Color online) Time-integrated OES spectra from an Al target with the presence of one of the four pipes (solid curves), (a) , (b) , (c) , (d) , and without the pipe (dotted curves).

Image of FIG. 3.
FIG. 3.

(Color online) Emission intensity of the Al atomic line ( with ) as a function of the time delay, with the presence of a pipe (, square dots and solid curve) and without the pipe (circle dots and dotted curve).

Image of FIG. 4.
FIG. 4.

(Color online) Emission intensity of the Al atomic line ( with ) as a function of the time delay, with the presence of a pipe (, 13.7, and ) and without the pipe.

Image of FIG. 5.
FIG. 5.

(Color online) Electron temperatures of laser-induced Al plasmas as a function of the time delay, with the presence of a pipe ( or ) and without a pipe.

Image of FIG. 6.
FIG. 6.

(Color online) Fast imaging of laser-induced Al plasmas with (top row) and without (bottom row) the presence of a pipe: (a) and (b) .

Image of FIG. 7.
FIG. 7.

(Color online) Comparison of enhancement factor as a function of the time delay using a pair of parallel walls (solid dots and curve, ) and using a round pipe (hollow dots and dotted curve, ).

Tables

Generic image for table
Table I.

Pipe diameter , gate delay , gate width , and enhancement factor for four pipes with different sizes.

Generic image for table
Table II.

Time period for enhancement (from the starting time to the ending time ), the maximum enhancement factor , and the time delay for the maximum enhancement for four pipes with different sizes.

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/content/aip/journal/jap/102/9/10.1063/1.2801405
2007-11-01
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Spectroscopic study of laser-induced Al plasmas with cylindrical confinement
http://aip.metastore.ingenta.com/content/aip/journal/jap/102/9/10.1063/1.2801405
10.1063/1.2801405
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