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This paper presents the results of the theoretical and experimental studies of an efficient and stably operating microwave source with a nanosecond high-current electron beam in an extended backward-wave-oscillator-type slow-wave structure. The possibilities for stabilization of the RF field phase and for minimization of the pulse-to-pulse peak power spread have been demonstrated. Possible mechanisms...
A compact high-current nanosecond accelerator has been designed and tested for experiments concerned with removal of toxic organic impurities from air. This accelerator provides the electron energy up to 400 keV, the beam current of 0.25 to 1.1 kA, the pulse length from 30 to 40 ns, the pulse repetition rate of 200 Hz continuously and up to 1 kHz in 30-second burst mode. The accelerator is based on...
Results of experiments with Microsecond Plasma Opening Switch, operating on the level of 1 TW pertinent to studies of electron and ion flows during the high voltage phase are given. It was shown that in the plasma focus type of POS geometry the ion current reaches 30% of the total stored current amplitude. The average energy of ion flow was considerably lower then respective voltage at the POS. Bad...
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:...
One of the most perspective trends of high-current electronics development is the creation of electron beam accelerators with high pulse recurrence frequency [l]. The prospect of this trend is due not only to the possibility of these accelerators to be widely used in physical researches but to their possibility to be used in solution of various problems of applied character. This paper deals with...
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