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A. S. Shevchenko

Russian Academy of Sciences

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Publication

Featured researches published by A. S. Shevchenko.

international vacuum electronics conference | 2013

High-power Ka-band gyroklystron oscillator with time-delayed feedback

Yu. M. Guznov; Yu. Yu. Danilov; S. V. Kuzikov; Yu.V. Novozhilova; A. S. Shevchenko; N. I. Zaitsev; Andrey G. Rozhnev; Nikita M. Ryskin

A novel high-power oscillator based on the gyroklystron amplifier with external delayed feedback is designed and tested. The oscillator produces 1-1.5 MW peak power with nearly 1 μs pulse duration in Ka-band.

international vacuum electronics conference | 2013

Frequency multiplication in relativistic gyro-klystron operating with combination of TE-TM modes

G. G. Denisov; N. I. Zaitsev; T. P. Ahmedzhanov; Yu. M. Guznov; Galina I. Kalynova; A. N. Kuftin; M. A. Moiseev; A. S. Shevchenko

The possibility of effective frequency multiplication in a relativistic gyro-klystron is discussed. The proposed scheme key feature is that while the input cavity modulates the electron beam at fundamental harmonic the excitation of the output cavity can be easily switched by simple change of electron beam parameters between fundamental harmonic and third harmonic. First experimental results confirm the idea.

Radiophysics and Quantum Electronics | 2005

Pulsed high-order volume mode gyroklystron

N. I. Zaitsev; E. V. Ilyakov; S. V. Kuzikov; I. S. Kulagin; V. K. Lygin; M. A. Moiseev; M. I. Petelin; A. S. Shevchenko

Radiophysics and Quantum Electronics | 2014

Experimental Investigation of the Relativistic Millimeter-Wave Gyroklystron

N. I. Zaitsev; Yu.M. Guznov; S. V. Kuzikov; M. E. Plotkin; E. M. Tai; A. S. Shevchenko

Radiophysics and Quantum Electronics | 2010

Studying the start-up scenario for a pulsed gyrotron with a relativistic electron beam

N. I. Zaitsev; S. A. Zapevalov; A. V. Malygin; M. A. Moiseev; A. S. Shevchenko

Radiophysics and Quantum Electronics | 2006

Study of the magnetic analyzer of relativistic helical electron beams

N. I. Zaitsev; E. V. Ilyakov; I. S. Kulagin; A. S. Shevchenko

EPJ Web of Conferences | 2017

Influence of mode competition and external wave frequency modulation on gyrotron frequency locking

Yu.V. Novozhilova; V. L. Bakunin; A. V. Chirkov; Yu. M. Guznov; G. G. Denisov; A. P. Fokin; A. S. Shevchenko; N. I. Zaitsev; Sergey A. Zapevalov

Radiophysics and Quantum Electronics | 2008

Experimental study of the possibility to increase the pitch factor of an intense relativistic helical electron beam

E. V. Ilyakov; I. S. Kulagin; V. N. Manuilov; A. S. Shevchenko

Radiophysics and Quantum Electronics | 2007

Experiments on the formation of an intense helical electron beam under conditions of picking-up of the electrons reflected from the magnetic mirror

E. V. Ilyakov; I. S. Kulagin; V. N. Manuilov; A. S. Shevchenko

Radiophysics and Quantum Electronics | 2018

High-Power Relativistic Milimeter-Wave Gyrotron Operating at the Second Cyclotron Harmonic

N. A. Zavolsky; E. V. Ilyakov; Yu. K. Kalynov; I. S. Kulagin; V. N. Manuilov; A. S. Shevchenko

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N. I. Zaitsev

Russian Academy of Sciences

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E. V. Ilyakov

Russian Academy of Sciences

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I. S. Kulagin

Russian Academy of Sciences

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S. V. Kuzikov

Russian Academy of Sciences

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M. A. Moiseev

Russian Academy of Sciences

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V. N. Manuilov

Russian Academy of Sciences

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G. G. Denisov

Russian Academy of Sciences

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M. E. Plotkin

Russian Academy of Sciences

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Nikita M. Ryskin

Saratov State University

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V. K. Lygin

Russian Academy of Sciences

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