Fig. 1. Schematic illustration of laser induced plasma system

Fig. 2. The time synchronization of the experiment

Fig. 3. Space-time integral emission spectrum of laser ablated aluminum-lithium alloy plasma

Fig. 4. Emission spectrum of laser induced aluminum-lithium alloy plasma at various gate delay times

Fig. 5. The spectral intensity of the continuum radiation，A1 I 396.15 nm，Al II 358.69 nm，Al III 451.26 nm，Li I 670.78 nm and Li II 548.36 nm as a function of delay time

Fig. 6. Spatial distribution spectra of Al I，Al II，Al III，Li I，Li II in aluminum-lithium alloy plasma at 30 ns，integrated time 10 μs

Fig. 7. Spatial distribution of spectral lines of Al and Li at delay time 30 ns，integrated time 10 μs

Fig. 8. The spatial distribution of Al I 394.40 nm，Li I 610.36 nm，Li I 670.78 nm，Al II 559.33 nm，Li II 548.36 nm and Al III 572.27 nm at different times

Fig. 9. Velocity fitting diagram of two elements corresponding to atoms and ions