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Telecommunications and Radio Engineering

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Telecommunications and Radio Engineering

DOI: 10.1615/TelecomRadEng.v69.i20.90
pages 1859-1869

CUBIC-NONLINEAR THEORY OF A PLASMA-BEAM SUPERHETERODYNE FREE ELECTRON LASER WITH H-UBITRON PUMPING

V. V. Kulish
Sumy National University, 2, Rimsky‐Korsakov St., 40007 Sumy, Ukraine
A. V. Lysenko
Sumy National University, 2, Rimsky‐Korsakov St., 40007 Sumy, Ukraine
V. V. Koval
Sumy National University, Sumy; and A.S. Popov Odessa National Academy of Communications, Odessa, Ukraine

ABSTRACT

The multi-harmonic cubic-nonlinear theory of a plasma-beam superheterodyne free electron laser with H-ubitron pumping is developed. The multi-harmonic interaction of waves, which plays an essential role, is considered. The analysis of the saturation levels is performed. It is found that prospects of practical use of the considered systems for generation of especially powerful electromagnetic signals of the mm-wave band could be rather promising.