Abstract
Optimal regimes of proton acceleration in the interaction of short high-power laser pulses with thin foils and low-density targets are determined by means of 3D numerical simulation. It is demonstrated that the maximum proton energy can be increased by using low-density targets in which ions from the front surface of the target are accelerated most efficiently. It is shown using a particular example that, for the same laser pulse, the energy of protons accelerated from a low-density target can be increased by one-third as compared to a solid-state target.
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Original Russian Text © A.V. Brantov, V.Yu. Bychenkov, 2015, published in Fizika Plazmy, 2015, Vol. 41, No. 6, pp. 542–547.
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Brantov, A.V., Bychenkov, V.Y. On the feasibility of increasing the energy of laser-accelerated protons by using low-density targets. Plasma Phys. Rep. 41, 501–506 (2015). https://doi.org/10.1134/S1063780X1506001X
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DOI: https://doi.org/10.1134/S1063780X1506001X