Temporal and spatial evolution of air-spark switch plasma investigated by the Mach

Temporal and spatial evolution of air-spark switch plasma investigated by the Mach–Zehnder interferometer

Huang Jie^{1, 2}, Yang Lin^{2, †}, Zhang Hongchao³, Chen Lei², Wu Xianying¹

Phase shift distribution of air-spark switch plasma obtained at different delay time: (a) 0 ns, (b) 10 ns, (c) 75 ns, (d) 130 ns, (e) 240 ns, (f) 420 ns. The phase shift Δ φ is expressed in radian.