(a) Spatial density distribution of ions at . (b) Distribution of ions in the phase space. The different colors represent ions in the different regions of the target as labeled in (a). (c) Spatial density distributions of ions at . (d) Energy distribution of electrons at different regions of the target irradiated by Gaussian or super-Gaussian laser pulse.
Spatial density distribution of (a) electrons and (b) ions at for the laser amplitude . (c) Spatial density distribution of the electrons for the laser amplitude . (d) Energy spectrum of ions at different regions of the target and irradiated by Gaussian or super-Gaussian laser pulse at .
(a)Transverse intensity distribution of the combined laser pulses at different distances from the focal plane. Here and . (b) Transverse laser ponderomotive force profile at and .
Density distribution of the accelerated ions at (a) and (b) when combined laser pulses are used. (c) and (d) correspond to the ones when only Gaussian pulse is used.
(a) Distribution of transverse momenta and longitudinal momenta at . Here GP represents Gaussian pulse and represents the combined Gaussian and super-Hermite pulse. (b) Energy spectrum of the accelerated ions at .
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