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Telecommunications and Radio Engineering
SJR: 0.202 SNIP: 0.2 CiteScore™: 0.23

ISSN Imprimir: 0040-2508
ISSN On-line: 1943-6009

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Telecommunications and Radio Engineering

DOI: 10.1615/TelecomRadEng.v75.i8.70
pages 745-756

PLASMA-BEAM SUPERHETERODYNE FREE ELECTRON LASER WITH H-UBITRON PUMPING AND NON-AXIAL ELECTRON BEAM INJECTION

A. V. Lysenko
Sumy State University, 2 Rymskogo-Korsakova St., 40007 Sumy, Ukraine
G. A. Alekseyenko
Sumy State University, Ryms'koho-Korsakova St, 2, Sumy, 40007, Ukraine

RESUMO

The authors suggest a cubic-nonlinear theory of a plasma-beam superheterodyne free electron laser (PBSFEL) with H-ubitron pumping and non-axial injection of electron beam. In this laser, a space-charge wave interacts with a cyclotron wave in terms of parametric resonance. While determining signal wave saturation levels it was revealed that the mode using a slow cyclotron wave had the highest saturation level among all possible operation modes of the PBSFEL with the H-ubitron pumping. The beam injection angle producing the maximum gain in the electromagnetic signal has been determined. It was shown that PBSFELs utilizing the slow cyclotron waves were able to produce a powerful coherent electromagnetic radiation in the millimeter wave range.


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