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The investigation of the nanosecond Plasma Opening Switch (POS) operation with two type of load - short circuited and planar electron diode - was made. With the stored current of 600 kA 450 kA was switched in load inductivity of 15 nH with rise time 5 ns; POS voltage reached 1.3 MV and its impedance − 15 Ohm. With the electron diode load the unefficient turn-on of the diode cathode surface took place:...
Summary form only given. Experiments with a POS (plasma opening switch) operating in the nanosecond regime applied to a 0.5-TW accelerator have been conducted with different loads (electron or ion diodes, inductive load). The accelerator parameters in negative pulse polarity were 0.7 MV, 0.7-Ω impedance, and 60-ns pulse duration. The POS with a 90% transparent squirrel cage and 160-mm-diameter...
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