Figure 5

Energy spectra of Cu+19, Cu+21, Cu+23 and Cu+25 ions for target thicknesses of 20, 60 and 120 nm at the end of the simulation (t = 17 fs).

Energy spectra of Cu+19, Cu+21, Cu+23 and Cu+25 ions for target thicknesses of 20, 60 and 120 nm at the end of the simulation (t = 17 fs).