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

Electron density distribution and phase shift distribution at the beginning of discharge (t = 0 ns) when the arc channel is just formed: (a) the interferogram, (b) the phase shift distribution, (c) the electron density distribution between the electrodes.