Generation of ultra-short correlated pulse sequences in a W-band travelling-wave tube with feedback circuit
Ivanov A.A. 1,2, Rozental R.M. 1,2, Sidorov D.A.1,3, Sukhoverkhii A.V.3
1Lobachevsky University of Nizhny Novgorod, Nizhny Novgorod, Russia
2Federal Research Center A.V. Gaponov-Grekhov Institute of Applied Physics of the Russian Academy of Sciences, Nizhny Novgorod, Russia
3JSC «SPE «Salyut», N.Novgorod, Russia
Email: daniil_sidorov@mail.ru

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A W-band folded waveguide pulsed traveling-wave tube with feedback circuit, was experimentally investigated. Periodic sequences of correlated pulses with a duration of 400-500 ps with a peak power many times exceeding the average output radiation power were registered. The set of measured data allows us to identify this operating mode as self-mode-locking of several longitudinal modes of the system. Keywords: travelling-wave-tube, ultra-short pulses generation, self-mode-locking.
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