Pulsed Microwave Breakdown of Air from 1 to 1000 Torr

Abstract
Pulsed breakdown electric field strengths have been measured in two S‐band cavities filled with dry air at a temperature of 4 °C in the approximate pressure range from 1 to 1000 Torr. The data were taken at a pulse repetition frequency of 20 Hz and for effective pulsewidths of 0.6, 0.2, and 0.1 μ sec. The results are in reasonable agreement with the predictions of Felsenthal based upon pulsed dc breakdown fields.

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