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Enhanced absorption of intense short-pulse laser light by subwavelength nanolayered target
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10.1063/1.3360298
/content/aip/journal/pop/17/4/10.1063/1.3360298
http://aip.metastore.ingenta.com/content/aip/journal/pop/17/4/10.1063/1.3360298
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

The two-dimensional subwavelength nanolayered target model consisting of individual plasma layers of density , length , width , and interlayer vacuum spacing . In order to isolate the effects of the layered target, the backing substrate (on the right) is omitted.

Image of FIG. 2.
FIG. 2.

The normalized (a) electromagnetic energy density and (b) electron energy density at , and (c) the Fourier spectrum of the normalized longitudinal current density by near the target surface on the center line . The dash line denotes the left target surface. The laser pulse is -polarized.

Image of FIG. 3.
FIG. 3.

The normalized (a) electron energy density , (b) electric field , and (c) magnetic field at , and (d) electron energy density at . The parameters are the same as in Fig. 2, but the laser pulse is -polarized.

Image of FIG. 4.
FIG. 4.

The normalized (a) electric field and (b) magnetic field of at . The dash lines indicate the left and right target surfaces. The laser pulse is -polarized. The transmitted laser light can clearly be observed.

Image of FIG. 5.
FIG. 5.

Normalized (a) net charge number density , (b) electron energy density , (c) the electric field , (d) the magnetic field of , (e) electron phase space , and (f) energy spectrum of the forward electrons, at . The dashed lines in (a)–(d) mark the left and right target surfaces. The forward and backward moving electrons in (e) are also colored black (solid circles) and red (triangles), respectively. The (red) dashed lines in (f) show the gradients that determine the corresponding temperatures.

Image of FIG. 6.
FIG. 6.

Dependence of the reflectivity (black solid line) and absorptivity (red dashed line) on (a) the interlayer vacuum spacing , and (b) the width of the nanolayers. In (a) one can see that the reflectivity and absorptivity approach those (open black squares and red circles, respectively) of the plane target .

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/content/aip/journal/pop/17/4/10.1063/1.3360298
2010-04-07
2014-04-21
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Enhanced absorption of intense short-pulse laser light by subwavelength nanolayered target
http://aip.metastore.ingenta.com/content/aip/journal/pop/17/4/10.1063/1.3360298
10.1063/1.3360298
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