An experimental system for studying the dynamics of the pulsed subnanosecond electric breakdown of gas gaps

In order to study pulsed gas breakdown initiation dynamics, a subnanosecond voltage pulse with a width of 0.2-4 ns and a height of 20-150 kV is applie d to a gas-discharge gap. The voltage rise rate ranges from 6 x 10(13) to 7 .5 x 10(14) V/s. The amplitude and duration of subnanosecond high-voltage p ulses are adjusted continuously, as well as the magnitude and profile of th e discharge current. The glow accompanying prebreakdown and breakdown proce sses in the gap is registered by a high-speed electron-optical camera.