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Melt dynamics of aluminum irradiated with ultrafast laser radiation at large intensities
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10.1063/1.3159882
/content/aip/journal/jap/106/1/10.1063/1.3159882
http://aip.metastore.ingenta.com/content/aip/journal/jap/106/1/10.1063/1.3159882
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Schematic of the pump-probe setup (B: beamsplitter; M: mirrors; L: microscope objectives/lenses).

Image of FIG. 2.
FIG. 2.

Schematic arrangement of the imaged detection planes with TQPm.

Image of FIG. 3.
FIG. 3.

Shadowgraph image (a), TQPm results (b) showing melt ejection in aluminum (, ), and a perspective view of ejected melt (c).

Image of FIG. 4.
FIG. 4.

Ejected volume by first, second, fourth, and eighth pulses measured within the detection region as function of delay ( and ).

Image of FIG. 5.
FIG. 5.

Ejected volume by first, second, fourth, and eighth pulses measured within the detection region as function of delay ( and ).

Image of FIG. 6.
FIG. 6.

Overall ejecta volume at (vapor regime) and (melt regime) for , 2, 4, and 8 pulses compared with ex situ volume measurements (WLI).

Image of FIG. 7.
FIG. 7.

Aluminum surface irradiated with , 2, 4, and 8 pulses at (upper row) and (bottom row), ringlike resolidified melt (enlargement) (SEM).

Image of FIG. 8.
FIG. 8.

Temperature distribution during heating of aluminum by ASE radiation for different pulse energies of the corresponding main pulse. Main femtosecond pulse occurs at the time . Inset: Measured temporal profile of ASE at .

Image of FIG. 9.
FIG. 9.

Ejected volume per pulse at (representing vapor regime) and (representing melt regime) for the first and the eighth pulse.

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/content/aip/journal/jap/106/1/10.1063/1.3159882
2009-07-08
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Melt dynamics of aluminum irradiated with ultrafast laser radiation at large intensities
http://aip.metastore.ingenta.com/content/aip/journal/jap/106/1/10.1063/1.3159882
10.1063/1.3159882
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