A. A. Ivanov, R. M. Rozental', D. A. Sidorov, A. V. Sukhoverkhy, “Generation of ultra-short correlated pulse sequences in a W-band travelling-wave tube with feedback circuit”, Pisma v Zhurnal Tekhnicheskoi Fiziki, 2025, Volume 51, Issue 14,Pages <nobr>44

Generation of ultra-short correlated pulse sequences in a W-band travelling-wave tube with feedback circuit

A. A. Ivanov^ab, R. M. Rozental'^ab, D. A. Sidorov^ac, A. V. Sukhoverkhy^c

^a National Research Lobachevsky State University of Nizhny Novgorod
^b Federal Research Center A.V. Gaponov-Grekhov Institute of Applied Physics of the Russian Academy of Sciences, Nizhny Novgorod
^c NPP "Salyut"

Abstract: 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.

Received: 03.02.2025
Revised: 15.04.2025
Accepted: 23.04.2025

DOI: 10.61011/PJTF.2025.14.60770.20273