• Corpus ID: 118421701

Directed Coulomb explosion effect on proton acceleration by an intense laser pulse from a double-layer target

@inproceedings{Morita2011DirectedCE,
  title={Directed Coulomb explosion effect on proton acceleration by an intense laser pulse from a double-layer target},
  author={Toshimasa Morita and S. Bulanov and Timur Zh. Esirkepov and James K. Koga and Masaki Kando},
  year={2011}
}
We examine ion acceleration by irradiating a hundred TW laser pulse on a double-layer target. It is shown analytically and by three-dimensional particle-in-cell simulations that higher energy protons are obtained by using material with a high charge-to-mass ratio in the first layer of a double-layer target, because a strong Coulomb explosion occurs in such a material. As a result, the protons keep accelerating for a longer time. Using the optimal conditions for the target, it is shown that high… 

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