Temporal and spatial evolution of air-spark switch plasma investigated by the Mach–Zehnder interferometer
Huang Jie1, 2, Yang Lin2, †, Zhang Hongchao3, Chen Lei2, Wu Xianying1
       

The experimental set for laser interferometry to diagnose the air-spark switching plasma. KDP: potassium dihydrogen phosphate, M: mirror, BS: beam splitter, CCD: CCD camera, PC: personal computer, DG645: digital delay pulse generator, HV power supply: high voltage pulse power supply.