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Highly efficient generation of ultraintense high-energy ion beams using laser-induced cavity pressure acceleration
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10.1063/1.4746287
/content/aip/journal/apl/101/8/10.1063/1.4746287
http://aip.metastore.ingenta.com/content/aip/journal/apl/101/8/10.1063/1.4746287

Figures

Image of FIG. 1.
FIG. 1.

Energy spectra of carbon ions accelerated in the LICPA scheme (with the cavity length Lc varying from 40 μm to 160 μm) or in the RPA scheme (without the cavity). LT = 2 μm, IL = 2.5 × 1021 cm2, Rc = 0.64, lacc = 150 μm.

Image of FIG. 2.
FIG. 2.

Energy spectra of carbon ions produced in the LICPA accelerator at different laser intensities. Lc = 120 μm, Rc = 0.64, lacc = 200 μm.

Image of FIG. 3.
FIG. 3.

Snapshots of the space distributions of ion (ρi) and electron (ρe) densities for plasma bunches accelerated in the LICPA (a) and RPA (b)schemes. IL = 5 × 1021 W/cm2, LT = 8 μm, Lc = 120 μm or ∞, Rc = 0.64.

Image of FIG. 4.
FIG. 4.

The laser-ions energy conversion efficiency in the LICPA scheme and the conventional RPA scheme as a function of laser intensity for a 2 μm target (a) and an 8 μm target (b). Solid and dashed lines denote the GLS model predictions. Circular and square dots denote results of the PIC simulations. Lc = 120 μm or ∞, Rc = 0.64. For the PIC simulations, lacc = 200 μm.

Tables

Generic image for table
Table I.

Parameters of carbon ion beams produced in the LICPA accelerator and the conventional RPA scheme. for both schemes, a 100 kJ/50 PW circularly polarized laser beam of 50 μm aperture was used as a laser driver. LT = 2 μm, Lc = 120 μm or ∞, Rc = 0.64, lacc = 200 μm.

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/content/aip/journal/apl/101/8/10.1063/1.4746287
2012-08-20
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Highly efficient generation of ultraintense high-energy ion beams using laser-induced cavity pressure acceleration
http://aip.metastore.ingenta.com/content/aip/journal/apl/101/8/10.1063/1.4746287
10.1063/1.4746287
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