We describe a capacitive probe for the observation of high-voltage fast pulses (1–100 kV, 1 to 10 ns) and we also show the results of some tests performed on a prototype. The probe is extremely simple and cheap, easy to build by small research groups. The attenuation factor can be adjusted through a simple operation which does not require substitution of components.
The authors report studies on a capacitively coupled discharge which effectively stabilizes the main discharge in a TEA N2 laser excited by Blumlein pulsers. The separation between the driver electrode and the grounded section of the circuit is a critical factor for the stabilizing effect.
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