Feedback in Plasma Maser


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Abstract

A change in the operation mode of a plasma maser with a pulse duration of 40 ns from a noise amplifier to a feedback self-oscillator at a power level of up to 10 MW has been experimentally demonstrated for the first time. In the noise-amplifier mode, the radiation power is distributed almost uniformly in a frequency range from 3 to 9 GHz. In the self-oscillator mode, the emission spectrum contains characteristic frequencies of longitudinal oscillation modes of plasma—beam cavity.

About the authors

A. B. Buleyko

Troitsk Institute for Innovation and Fusion Research; Peoples’ Friendship University of Russia

Author for correspondence.
Email: alla_buleiko@mail.ru
Russian Federation, ul. Pushkovykh 12, Troitsk, Moscow, 108840; ul. Miklukho-Maklaya 6, Moscow, 117198

A. V. Ponomarev

Prokhorov General Physics Institute of the Russian Academy of Sciences

Author for correspondence.
Email: aponomarev68@gmail.com
Russian Federation, ul. Vavilova 38, Moscow, 119991

O. T. Loza

Peoples’ Friendship University of Russia; National Research Centre “Kurchatov Institute”

Author for correspondence.
Email: Loza_OT@pfur.ru
Russian Federation, ul. Miklukho-Maklaya 6, Moscow, 117198; pl. Akademika Kurchatova 1, Moscow, 123182

D. K. Ul’yanov

Prokhorov General Physics Institute of the Russian Academy of Sciences

Author for correspondence.
Email: dox@fpl.gpi.ru
Russian Federation, ul. Vavilova 38, Moscow, 119991

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