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Ultraminiature Pulsed Periodic Generator of Powerful Microwave Pulses, Based on Gas Discharge in Hollow Cathode

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6 Author(s)
Dubinov, A.E. ; Russian Fed. Nucl. Center - All-Russian Sci. & Res. Inst. of Exp. Phys. (RFNC-VNIIEF), Sarov, Russia ; L'vov, I.L. ; Sadovoy, S.A. ; Selemir, V.D.
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An ultraminiature pulsed periodic generator of powerful microwave pulses based on gas discharge, involving a hollow cathode, is developed and tested. The hollow cathode is presented by a cylindrical tube of 15-mm diameter and 15-mm height. The cavity was filled with air under 0.2-torr pressure. The periodic sequence of high-voltage pulses of 3.5-kV amplitude was sent onto gas-discharge gap. Coherent microwave pulses, featuring ~ 1-MW power and ~ 200-ns duration, were generated in a chamber from the frequency band Lp. The pulse repetition rate of 1 kHz was achieved in pulsed periodic mode with no noticeable degradation of microwave pulses.

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Plasma Science, IEEE Transactions on  (Volume:40 ,  Issue: 8 )