Search Results - "Kulygin, M. L."

High-resolution diagnostics of GaAs wafer inhomogeneity using an optical switch within the terahertz band by Kulygin, M. L., Litovsky, I. A., Belousov, V. I., Novikov, E. A., Kalynova, G. I., Shmelev, M. Y.

“…We study a technique for diagnostics of the loss tangent inhomogeneity in semi-insulating gallium arsenide within a frequency band of 0.3 THz and higher. The…”
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Stabilization of gyrotron frequency by reflection from nonresonant and resonant loads by Glyavin, M. Yu, Denisov, G. G., Kulygin, M. L., Novozhilova, Yu. V.

“…The possibility of stabilization of gyrotron frequency under the action of a wave reflected from a load (high-resonant or nonresonant) has been analyzed. The…”
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Switching of Subterahertz Waves Within a Duration Range of Ten Orders of Magnitude by Kulygin, M. L., Denisov, G. G., Novikov, E. A., Fokin, A. P., Litovsky, I. A.

“…We consider nanosecond subterahertz waveguide switches based on a 3D resonator with an active element made of a semiconductor, whose conductivity is controlled…”
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260 GHz CW gyrotron heating substitution with second-long laser pulses in waveguide semiconductor switches by Kulygin, M.L., Denisov, G.G., Salahetdinov, S.H., Shubin, S.V., Novikov, E.A., Litovsky, I.A.

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Development of Waveguide Semiconductor Switches of Microwave Radiation in the 70- and 260-ghz Ranges by Kulygin, M. L., Belousov, V. I., Denisov, G. G., Vikharev, A. A., Korchagin, V. V., Kuzin, A. V., Novikov, E. A., Khozin, M. A.

“…We have developed, manufactured, and studied experimentally prototypes of microwave switches operated in the 70- and 260-GHz frequency ranges and controlled by…”
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Use of Huygens’ principle for analysis and synthesis of the fields in oversized waveguides by Chirkov, A. V., Denisov, G. G., Kulygin, M. L., Malygin, V. I., Malygin, S. A., Pavel’ev, A. B., Soluyanova, E. A.

“…We develop a method based on Huygens' principle for calculation of the traveling-wave field in a cylindrical oversized waveguide with smooth and shallow wall…”
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Numerical Simulation of a TM01–TE11 Waveguide Mode Converter by the FDTD Method by Denisov, G. G., Kulygin, M. L.

“…We consider the problem of propagation of a microwave pulse with given transverse structure through a waveguide converter of the circular-waveguide modes from…”
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260 GHz laser-driven semiconductor switches with performance rate up to nanosecond by Kulygin, M. L., Shubin, S. V., Salaetdinov, S. H., Vlasova, K. V., Denisov, G. G., Novikov, E. A.

“…Laser-driven microwave semiconductor switches demonstrate the ability to commutate power in sub-Terahertz frequency range. The effect of switching is based on…”
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Nonstationary processes in a gyrotron with reflections from output-section inhomogeneities by Glyavin, M. Yu, Zapevalov, V. E., Kulygin, M. L.

“…We study the influence of some types of reflections on oscillatory processes in gyrotrons. Estimates of the conditions of oscillation stability in the presence…”
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Gyrotron Frequency Stabilization by a Weak Reflected Wave by Glyavin, M. Yu, Denisov, G. G., Kulygin, M. L., Mel’nikova, M. M., Novozhilova, Yu. V., Ryskin, N. M.

“…The possibility of reducing the radiation frequency fluctuations by a factor of 3–5 using a nonresonant or highly resonant weakly reflecting load for the…”
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Influence of the microwave-signal reflection on the generation efficiency of tunable gyrotrons by Glyavin, M. Y., Zapevalov, V. E., Kulygin, M. L.

“…We estimate the decrease in the generation efficiency due to signal reflection from the microwave exit window of a wide-band gyrotron whose frequency is tuned…”
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Optically controlled semiconductor microwave modulator with nanosecond response by Kulygin, M. L., Denisov, G. G., Rodin, Yu. V.

“…A microwave modulator optically controlled by laser pulses has been theoretically studied, constructed, and tested. Results of numerical simulations performed…”
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Terahertz Plasma Annealing of Gallium Arsenide in a Microcavity Resonator Powered by a Gyrotron by Kulygin, M. L., Novikov, E. A., Litovsky, I. A., Kamensky, M. V., Malshakova, O. A., Sorokin, A. A.

“…The combination of low specific intrinsic conductivity and nanosecond relaxation time of photoconductivity allows us to consider gallium arsenide (or GaAs) to…”
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Calculation of Dispersion Characteristics of a Circular Waveguide with Deep Helical Corrugation by the FDTD Method by Kulygin, M. L.

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Nonlinear nonequilibrium processes in a silicon switch of high-power microwave radiation by Denisov, G. G., Kocharovsky, Vl. V., Kulygin, M. L.

“…The nonlinear dynamic interaction of high-power microwave radiation with a high-purity compensated silicon sample, driven or not by a laser pulse initiating…”
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Numerical Simulation of a TM sub(01)-TE sub(11) Waveguide Mode Converter by the FDTD Method by Denisov, G G, Kulygin, M L

“…We consider the problem of propagation of a microwave pulse with given transverse structure through a waveguide converter of the circular-waveguide modes from…”
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Nanosecond semiconductor modulator of 66-72 GHz microwaves controlled by an optical laser by Denisov, G G, Kulygin, M L, Rodin, Y V, Shishkin, B V, Ilyakov, I E

“…A report of success in numerical modeling and experimental investigation of a new type of microwave commutation device is presented. The modulator is intended…”
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Nonstationary processes in a gyrotron with reflections from output-section inhomogeneities by GLYAVIN, M. Yu, ZAPEVALOV, V. E, KULYGIN, M. L

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