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.
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Acknowledgments
We are grateful to Prof. S.V. Garnov for his help and for providing the equipment (without which the experiment could not be performed).
Funding
This study was supported in part by the Russian Academy of Sciences within the Program I.10 “High-Power Ultrashort Electromagnetic Pulses and Their Interaction with Objects and Medi”.
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Buleyko, A.B., Ponomarev, A.V., Loza, O.T. et al. Feedback in Plasma Maser. Phys. Wave Phen. 27, 257–260 (2019). https://doi.org/10.3103/S1541308X19040022
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DOI: https://doi.org/10.3103/S1541308X19040022