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Improved ion acceleration via laser surface plasma waves excitation
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10.1063/1.4802989
/content/aip/journal/pop/20/5/10.1063/1.4802989
http://aip.metastore.ingenta.com/content/aip/journal/pop/20/5/10.1063/1.4802989

Figures

Image of FIG. 1.
FIG. 1.

Electron energy spectra for the flat target (in blue) (no SPW excitation) and the grating target (in red) case for , at . The target thickness is . is the total electron density integrated over the energy.

Image of FIG. 2.
FIG. 2.

Electron spectra for the laminar targets having different thickness, and the semi-infinite target, taken at time for , when the SPW is excited. is the total electron density integrated over the energy.

Image of FIG. 3.
FIG. 3.

Density distribution of the ions accelerated at the rear surface (obtained considering the ions in the space between the rear target surface at and the right edge of the simulation box, at ) as a function of energy, for the flat target and when the SPW is excited at time . is the ion density integrated over the energy.

Image of FIG. 4.
FIG. 4.

Density profile of the ions as a function of at for and at . , , and .

Image of FIG. 5.
FIG. 5.

Electric field at for the Gaussian pulse, ( ), , semi-infinite target when the SPW is excited by a Gaussian laser pulse. The plasma starts at , the pulse focus is at , and the focal spot size is .

Image of FIG. 6.
FIG. 6.

component of the SPW and exciting laser field in the plane (in each figure, the vacuum is on the left and the plasma on the right, the modulated surface being at ), at its maximum amplitude ( ) for the Gaussian pulse shape (left) and the uniform y profile (right), . The field is in units of , and the lengths are in units of .

Image of FIG. 7.
FIG. 7.

Ion phase space for the laminar target of thickness when SPW is excited by a Gaussian laser pulse; ( ), , , and . is the ion number at a given position.

Tables

Generic image for table
Table I.

Electron energy and percentage of electrons having energy as a function of the laser intensity, at for and . Two targets type are considered: one having modulated surface such to resonantly excite the SPW (res) and one having flat surface (flat). .

Generic image for table
Table II.

Cut-off ion energy as a function of the laser intensity at for and . Two targets type are considered: one having modulated surface such to resonantly excite the SPW (res) and one having flat surface (flat). .

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/content/aip/journal/pop/20/5/10.1063/1.4802989
2013-05-03
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Improved ion acceleration via laser surface plasma waves excitation
http://aip.metastore.ingenta.com/content/aip/journal/pop/20/5/10.1063/1.4802989
10.1063/1.4802989
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