Feedback Suppression in the Plasma Relativistic Microwave Noise Amplifier with Inverse Configuration

The noise amplification mode in a plasma maser with inverse geometry was obtained experimentally for the first time. It is shown that the introduction of a microwave absorber transfers the maser operating mode from the oscillator to the amplifier. In both modes, the tuning of the radiation frequency...

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Bibliographic Details
Published inPlasma physics reports Vol. 46; no. 9; pp. 950 - 953
Main Authors Ponomarev, A. V., Buleyko, A. B., Ul’yanov, D. K.
Format Journal Article
LanguageEnglish
Published Moscow Pleiades Publishing 01.09.2020
Springer Nature B.V
Subjects
Amplifiers
Applied Physics
Atomic
Microwave absorbers
Molecular
Noise
Optical and Plasma Physics
Physics
Physics and Astronomy
Plasma
Plasma density
Relativistic effects
high-current relativistic electron beam
plasma maser
wideband
high-power microwave generator
REB
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Summary:The noise amplification mode in a plasma maser with inverse geometry was obtained experimentally for the first time. It is shown that the introduction of a microwave absorber transfers the maser operating mode from the oscillator to the amplifier. In both modes, the tuning of the radiation frequency has been shown when the plasma density changes. This work is a step in the implementation of a plasma relativistic noise amplifier with a short REB pulse.
ISSN:1063-780X
1562-6938
DOI:10.1134/S1063780X2009007X