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Spatial distribution of soft x-ray line emissions from aluminum plasma excited by a pair of femtosecond-laser pulses
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10.1063/1.2180433
/content/aip/journal/jap/99/6/10.1063/1.2180433
http://aip.metastore.ingenta.com/content/aip/journal/jap/99/6/10.1063/1.2180433
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(Color online) Schematic of the experimental setup. A prepulse and a main pulse are produced in a Mach-Zehnder interferometer with a variable optical delay line. An x-ray pulse is generated by irradiating a tapelike aluminum target with these pulses using a convex lens. A spatially resolved spectrum is obtained using a pinhole camera with a transmission grating. BS: beam splitter. ND: neutral density filter.

Image of FIG. 2.
FIG. 2.

(Color online) Pinhole images (upper) and spatially resolved spectra (lower) of the femtosecond-laser plasmas from the aluminum target. The delay intervals are (a) and (b) . The zero position corresponds to the target surface.

Image of FIG. 3.
FIG. 3.

(Color online) Emission spectra for various pulse-separation times (a) at the target surface and (b) from the surface.

Image of FIG. 4.
FIG. 4.

Dependence of line emission on the pulse time separation at positions of (circles) and (triangles).

Image of FIG. 5.
FIG. 5.

(a) Spatial distributions of line emission for various pulse-separation times. (b) Separation time dependence of expansion length of line emissions: and mixed lines of with .

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/content/aip/journal/jap/99/6/10.1063/1.2180433
2006-03-21
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Spatial distribution of soft x-ray line emissions from aluminum plasma excited by a pair of femtosecond-laser pulses
http://aip.metastore.ingenta.com/content/aip/journal/jap/99/6/10.1063/1.2180433
10.1063/1.2180433
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