Observation of post-soliton expansion following laser propagation through an underdense plasma

G. Sarri, 1 D. K. Singh, 2 J. R. Davies +15

The expansion of electromagnetic post-solitons emerging from the interaction of a 30 ps, $3\times 10^{18}$ W cm${}^{-2}$ laser pulse with an underdense deuterium plasma has been obse…