Abstract
A circuit is described for generating fast high-voltage square-wave pulses suitable for operating a small Kerr cell shutter. The pulse width (shutter exposure) as well as the separation of the pulse from a reference pulse can be varied. The equipment, designed for operating a Kerr cell shutter to obtain exposure times of the order of a microsecond, is intended for the study of the behaviour of arc discharges and cathode spots, but might have applications for other purposes. The main pulse generated by hydrogen thyratrons 5C22 has 16 kv amplitude with 0.1 ?sec rise time.
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