Search Results - "Kolganov, N. G."

On Using Cyclotron Waves for Output of Radiation from High-Power Relativistic Backward-Wave Oscillators by Goykhman, M. B., Gromov, A. V., Kladukhin, V. V., Kovalev, N. F., Kolganov, N. G., Palitsin, A. V.

“…We discuss the scheme of a high-power relativistic backward-wave oscillator operating with a high-current explosive-emission electron beam. The radiation…”
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Axisymmetric Resonance Reflector for Relativistic Gigawatt Backward-Wave Oscillators by Goykhman, M. B., Gromov, A. V., Kladukhin, V. V., Kovalev, N. F., Kolganov, N. G., Palitsin, A. V.

“…We discuss the properties of the resonance reflectors applied in high-power relativistic backward-wave oscillators. The obtained results were used to develop a…”
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Microwave source of multigigawatt peak power based on a relativistic backward-wave oscillator and a compressor by Bratman, V. L., Denisov, G. G., Kolganov, N. G., Mishakin, S. V., Samsonov, S. V., Sobolev, D. I.

“…The effect of passive compression of frequency-modulated pulses in dispersive media is used to raise the microwave radiation peak power to a multigigawatt…”
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Experimental study of CRM with simultaneous excitation of traveling and near-cutoff waves (CARM-gyrotron) by Bratman, V.L., Fedotov, A.E., Kolganov, N.G., Samsonov, S.V., Savilov, A.V.

“…A new variety of RF sources is studied experimentally. In the cyclotron autoresonance maser (CARM)-gyrotron with an open "gyrotron-type" cavity, two regimes of…”
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An X-band gigawatt amplifier by Abubakirov, E.B., Denisenko, A.N., Fuks, M.I., Kolganov, N.G., Kovalev, N.F., Petelin, M.I., Savelyev, A.V., Schamiloglu, E., Soluyanov, E.I., Yastrebov, V.V.

“…In an X-band Cerenkov amplifier driven by a 0.8-MeV 6-kA electron beam, a gigawatt-level of power radiated in a Gaussian pattern in a 70-ns pulse duration has…”
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Effective Co-generation of opposite and forward waves in cyclotron-resonance masers by Bratman, VL, Fedotov, AE, Kolganov, NG, Samsonov, SV, Savilov, AV

“…A novel type of the frequency-tunable oscillator based on simultaneous generation of the forward and opposite waves at the same frequency, but at different…”
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Measurement of high-power microwave pulses by resistive hot-electron sensors by Goykhman, M. B., Kovalev, N. F., Kolganov, N. G., Palitsin, A. V.

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A high-power relativistic backward wave oscillator with a longitudinal slot slow-wave system by Goykhman, M. B., Kladukhin, V. V., Kladukhin, S. V., Kovalev, N. F., Kolganov, N. G., Khramtsov, S. P.

“…It is established that longitudinal slots in the slow-wave system of a high-current relativistic backward wave oscillator (BWO) can be used as additional means…”
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Cooperation of traveling and quasi-cutoff waves in a cyclotron-resonance maser by Bratman, V. L., Kolganov, N. G., Savilov, A. V., Samsonov, S. V., Fedotov, A. É.

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5-fold helically corrugated waveguide dispersion measurements by McStravick, M, Ronald, K, Samsonov, S V, Mishakin, S V, He, W, Denisov, G G, Whyte, C G, Young, A R, Bratman, V L, Robertson, C W, Cross, A W, Kolganov, N G, Phelps, A D R, MacInnes, P

“…The results of 3-fold helically corrugated waveguide microwave pulse compression experiments are presented. A pulse of 80 ns duration having a power of 5.6 kW…”
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Nanosecond microwave discharge as an ozone source in the upper atmosphere by Akhmedzhanov, R.A, Vikharev, A.L, Gorbachev, A.M, Ivanov, O.A, Kolganov, N.G, Kolisko, A.L, Ofitserov, M.M

“…The processes of ozone generation in a nanosecond microwave discharge formed in air by a series of pulses are investigated. The experimental conditions (gas…”
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Voltage-tuned relativistic backward wave oscillator by Bechasnov, A. M., Bratman, V. L., Kolganov, N. G., Mishakin, S. V., Samsonov, S. V.

“…A relativistic backward wave oscillator for the 10-GHz range with the oscillation frequency tuned within about 5% by changing the accelerating voltage from 600…”
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Experimental Study of a Relativistic Resonant Traveling-Wave Tube With Selective Feedback Provided by Bragg Reflectors by Fuks, Mikhail I, Gintsburg, Vladimir A, Kolganov, Nikolay G, Kovalev, Nikolay F, Schamiloglu, Edl

“…The realization of single-mode generation in a microwave oscillator is considered for a relativistic resonant traveling-wave tube (RTWT) with spiral Bragg…”
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Low-impedance relativistic backward wave oscillator by Goykhman, M. B., Gromov, A. V., Kladukhin, V. V., Kovalev, N. F., Kolganov, N. G., Palitsin, A. V., Khramtsov, S. P.

“…It is shown that the limiting electron-beam current in a relativistic backward wave oscillator (BWO) can be increased using a slow-wave system (SWS) in the…”
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Relativistic backward-wave tube with a smooth control over output radiation pulse duration by Goykhman, M. B., Gromov, A. V., Kladukhin, V. V., Kovalev, N. F., Kolganov, N. G., Palitsin, A. V.

“…The effect of failure of oscillations in a low-impedance backward-wave tube is described and the possibility of using this effect for controlling the duration…”
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Helically corrugated waveguide microwave pulse compression experiments by Whyte, C.G, McStravick, M, Young, A.R, Zhang, L, He, W, Cross, A.W, MacInnes, P, Ronald, K, Robertson, C.W, Phelps, A.D.R, Samsonov, S.V, Mishakin, S.V, Denisov, G.G, Bratman, V.L, Kolganov, N.G

“…A high microwave pulse compressor based on a large diameter 5-fold helical waveguide structure was studied. The eigenwave dispersion was calculated using…”
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X-band pulse compression using a five-fold helically corrugated waveguide by Zhang, L., Cross, A. W., He, W., Robertson, C. W., Young, A. R., Whyte, C. G., Ronald, K., Phelps, A. D. R., Samsonov, S. V., Mishakin, S. V., Denisov, G. G., Bratman, V. L., Kolganov, N. G.

“…Summary form only given. Microwave pulse compression has applications in radar technology and plasma diagnostics. The pulse compressor requires a dispersion…”
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Compression of pulses from a relativistic bwo using helically corrugated waveguides by Bratman, V.L., Samsonov, S.V., Mishakin, S.V., Denisov, G.G., Kolganov, N.G., McStravick, M., Cross, A.W., He, W., Robertson, C.W., Whyte, C.G., Young, A.R., Ronald, K., Phelps, A.D.R., Maclnnes, P.

“…The use of an overmoded circular waveguide with helical corrugations (HC) of its inner surface as a dispersive medium enables compression of monotonously…”
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Periodic GW level microwave pulses in X-band from a combination of a relativistic backward wave oscillator and a helical waveguide compressor by MacInnes, P., Bratman, V. L., Zhang, L., Denisov, G. G., He, W., Kolganov, N. G., McStravick, M., Mishakin, S. V., Robertson, C. W., Samsonov, S. V., Whyte, C. G., Young, A. R., Ronald, K., Phelps, A. D. R., Cross, A. W.

“…Backward Wave Oscillators (BWO's) utilizing moderately relativistic (~550kV), high-current (~10 kA) electron beams are capable of producing hundreds of MWs of…”
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Pulse compression using a five-fold helically corrugated waveguide by Zhang, L., Cross, A. W., He, W., Whyte, C. G., McStravick, M., Young, A. R., Ronald, K., Robertson, C. W., Phelps, A. D. R., Samsonov, S. V., Mishakin, S. V., Bratman, V. L., Denisov, G. G., Kolganov, N. G.

“…Microwave pulse compression results from a five-fold helically corrugated waveguide are presented. In these experiments an X-band microwave pulse of duration…”
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