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Influence of target system on the charge state, number, and spectral shape of ion beams accelerated by femtosecond high-intensity laser pulses
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10.1063/1.2695277
/content/aip/journal/pop/14/3/10.1063/1.2695277
http://aip.metastore.ingenta.com/content/aip/journal/pop/14/3/10.1063/1.2695277
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Proton (squares) and deuteron (circles) emission emerging from a laser irradiated water and heavy water droplets, Laser: pulse duration , intensity , pulse contrast at , single shot, laser propagates in 0°, detected emission at 135°.

Image of FIG. 2.
FIG. 2.

droplet exposed with a single laser pulse (laser propagates in 0°, detected emission at 135°): Two single-shot proton spectra (dotted line) with a remarkable modulation in comparison to proton emission from a contamination layer on a 20–-thick mylar foil (dashed line), foil irradiation at 45° to target normal and detection along target normal from foil rear side. Laser: pulse duration , intensity , pulse contrast at , single shot.

Image of FIG. 3.
FIG. 3.

Dependence of cutoff energy of the light ions (squares) and the appearance (shaded area) of different ionization stages of the heavy ion species as a function of laser intensity at a pulse contrast : Left, planar mylar target ( thick) with proton cutoff energies and detected carbon ionization stages, foil irradiation at 45° to target normal and detection along target normal from foil rear side, no carbon ions at highest laser intensity detected in single shot spectra; right, water and heavy water droplet target ( diameter) with proton and deuteron cutoff energies and detected oxygen ionization stages, laser propagates in 0°, detected emission at 135°, always oxygen ions at different ionization stages detected in single-shot spectra; the dashed line guides the eye along the proportional increase of the cutoff energy with the square root of the incident laser intensity.

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/content/aip/journal/pop/14/3/10.1063/1.2695277
2007-03-02
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Influence of target system on the charge state, number, and spectral shape of ion beams accelerated by femtosecond high-intensity laser pulses
http://aip.metastore.ingenta.com/content/aip/journal/pop/14/3/10.1063/1.2695277
10.1063/1.2695277
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