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Generation of ultra-short pulse sequences in crossed-field amplifier in self-excitation regime
Sidorov D. A.1,2, Rozental R. M.
2, Tsukanov A. A.1
1JSC «SPE «Salyut», N.Novgorod, Russia
2Lobachevsky University of Nizhny Novgorod, Nizhny Novgorod, Russia
2Lobachevsky University of Nizhny Novgorod, Nizhny Novgorod, Russia
Email: daniil_sidorov@mail.ru
A W-band amplifier with crossed fields operating under dual-frequency self-excitation conditions has been studied. It is shown that the generated frequencies correspond to the edges of the system bandwidths, at which there is a significant increase in coupling resistance. It is shown that by applying an external signal at a frequency equal to the average value between the generated frequencies, regimes of generating sequences of ultrashort pulses with a duration of about 20 ps, a repetition period of about 100 ps, and a peak instantaneous power of more than 1 kW can be obtained. Keywords: crossed-field amplifier, W-band, ultrashort pulses generation, dual-frequency self-excitation.
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