Frequency Conversion of High-Power Gyrotron Radiation under Conditions of Raman Backscattering on an Auxiliary Electron Beam


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Abstract

The regime of Raman backscattering of a pumping wave that is cocurrent with an electron beam into the counterpropagating wave can be used for the radiation frequency conversion in high-power gyrotrons. The absolute instability developing in this system ensures generation of a scattered signal in the absence of external resonators, which allows the frequency of scattered radiation to be smoothly controlled within 20–40% by varying the electron energy in the case of high-power (megawatt) gyrotrons used as sources of pumping radiation.

About the authors

N. S. Ginzburg

Institute of Applied Physics, Russian Academy of Sciences

Author for correspondence.
Email: ginzburg@appl.sci-nnov.ru
Russian Federation, Nizhny Novgorod, 603950

L. A. Yurovskii

Institute of Applied Physics, Russian Academy of Sciences

Email: ginzburg@appl.sci-nnov.ru
Russian Federation, Nizhny Novgorod, 603950

I. V. Zotova

Institute of Applied Physics, Russian Academy of Sciences

Email: ginzburg@appl.sci-nnov.ru
Russian Federation, Nizhny Novgorod, 603950

A. S. Sergeev

Institute of Applied Physics, Russian Academy of Sciences

Email: ginzburg@appl.sci-nnov.ru
Russian Federation, Nizhny Novgorod, 603950

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