Search Results - "Sobolev D.I."

Quasi-optical approach to reconstruction of plasma fluctuations using amplitude distribution of transmitted microwave beam by Gospodchikov, E.D., Sobolev, D.I., Khusainov, T.A., Balakin, A.A., Shalashov, A.G.

Get full text

Development of gyrotron traveling-wave tubes at IAP and GYCOM by Samsonov, S.V., Denisov, G.G., Gachev, I.G., Bogdashov, A.A., Mishakin, S.V., Manuilov, V.N., Belousov, V.I., Sobolev, D.I., Sokolov, E.V., Soluyanova, E.A., Tai, E.M.

“…A brief review of research activity on gyrotron traveling-wave tube amplifiers (gyro-TWTs) with helically corrugated waveguides developing by the Institute of…”
Get full text

3D printed photopolymer structures with chemically deposited copper for microwave electronics by Proyavin, M.D., Sobolev, D.I., Vikharev, A.A., Fedotov, A.E., Peskov, N. Yu, Shmelev, M. Yu, Kuzikov, S.V., Makhalov, P.B.

“…To create electrodynamic elements of microwave and millimeter-wave devices, the possibility of using the technology of photopolymer 3D printing with the…”
Get full text

Recent results of 0.5 terahertz gyrotrons with record power by Denisov, G.G., Glyavin, M.Yu, Kuftin, A.N., Proyavin, M.D., Morozkin, M.V., Sobolev, D.I., Fokin, A.P., Tai, E.M., Rodin, Yu.V., Luchinin, A.G., Manuilov, V.N., Sedov, A.S.

“…Two 0.5 THz gyrotrons were successfully tested at IAP RAS, Russia: 0.526 THz/240 W continuous and 0.53 THz / 200 kW pulsed ( 20 \ \mu\mathrm{s} ). Both tubes…”
Get full text

Analysis of Oversized Electrodynamic Systems by a Combined Method Based on the Principle of Physical Optics and the Multilevel Fast Multipole Algorithm by Gashturi, A. P., Sobolev, D. I.

“…The multilevel fast multipole algorithm (MLFMA) is often used to speed up the solution of surface integral equations in electromagnetics. The method makes it…”
Get full text

Antireflection Coating of a Dielectric Plate in the Microwave Band Using Surface Machining by Ryabov, A. V., Sobolev, D. I.

“…We present the experimental results of measuring the reflection coefficient of a microwave output window made of radiation-modified fluoroplast (Raflon™) with…”
Get full text

Mechanically Machined Microwave Multi-Layer Antireflective Coating of a Dielectric by Ryabov, A. V., Sobolev, D. I., Shmelev, M. Yu

“…We present theoretical and experimental results on mechanically machined multilayer antireflective coating of a dielectric plate. The microwave ouptut window…”
Get full text

Effect of ferrite nanocrystals on raman spectra of potassium-aluminaborate glass by Babkin, A.N., Sobolev, D.I., Nikonorov, N.V.

Get full text

Polarization-dependent TE 11 -to-TE 11 /TE 01 waveguide mode converter for transmission line mode switching by Sobolev, D.I., Denisov, G.G., Eremeev, A.G., Holoptsev, V.V., Tsvetkov, A.I.

Get full text

Observation of ε - Fe2O3 nanoparticles precipitated in potassium aluminoborate glasses doped with 4 mol % Fe2O3 by Eremina, R.M., Yatsyk, I.V., Shestakov, A.V., Fazlizhanov, I.I., Gavrilova, T.P., Milovich, F.O., Zinnatullin, A.L., Vagizov, F.G., Gilmutdinov, I.F., Shirshnev, P.S., Sobolev, D.I., Nikonorov, N.V.

“…Microstructural and magnetic properties of potassium aluminoborate glasses 25K2O–25Al2O3–50B2O3 (KAB): 4% Fe2O3(composition in mol %) are studied in a wide…”
Get full text

Observation of Excitation of Eigenmodes in Surface-Wave Resonators Having the Cylindrical Geometry by Zaslavsky, V. Yu, Proyavin, M. D., Sobolev, D. I., Zheleznov, I. V., Malkin, A. M., Sergeyev, A. S., Kotomina, V. E., Orlovsky, A. A., Ginzburg, N. S.

“…We present the results of theoretical and experimental studies of the surface-wave K a -band resonators which are formed by sections of cylindrical waveguides…”
Get full text

Development of High-Power Long-Pulse Submillimeter-Wave Free-Electron Lasers on the Basis of the Linear Induction Accelerator Complex by Arzhannikov, A. V., Bak, P.A., Belousov, V. I., Ginzburg, N. S., Zaslavsky, V.Yu, Nikiforov, D.A., Peskov, N.Yu, Sandalov, E. S., Sinitsky, S. L., Sobolev, D. I., Starostenko, A. A., Zhivankov, K. I.

“…The high-power long-pulse submillimeter-wave free-electron laser (FEL) is developed jointly by the Institute of Nuclear Physics and the Institute of Applied…”
Get full text

Development of Electrodynamic Components for Microwave Electronic Devices Using the Technology of 3D Photopolymer Printing with Chemical Surface Metallization by Proyavin, M. D., Vikharev, A. A., Fedotov, A.E., Sobolev, D. I., Peskov, N.Yu, Makhalov, P. B., Shmelev, M.Yu, Kuzikov, S.V.

“…We study the possibility of using the technology of 3D photopolymer printing with subsequent metallization of working surfaces for developing electrodynamic…”
Get full text

Development of a High-Power Continuous-Wave Gyrotron for High-Efficiency Technological K-Band Microwave Complexes by Proyavin, M. D., Glyavin, M. Yu, Zavol’sky, N. A., Manuilov, V.N., Morozkin, M.V., Sobolev, D. I., Krapivnitskaya, T. O.

“…We analyze the possibility to create new generation continuous-wave gyrotrons operating in the Kband (at frequencies of 28-30 GHz) at the fundamental cyclotron…”
Get full text

Synthesis, structure and spectral properties of potassium-alumina-borate glass with nanocrystals of manganese ferrite by Sobolev, D.I., Nikonorov, N.V., Shirshnev, P.S., Nuryev, R.K., Stepanov, S.A., Panov, D.Yu

Get full text

Polarization-dependent TE11-to-TE11/TE01 waveguide mode converter for transmission line mode switching by Sobolev D.I., Denisov G.G., Eremeev A.G., Holoptsev V.V., Tsvetkov A.I.

Get full text

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…”
Get full text

Design of High-Efficient Powerful CW Technological Gyrotron Complex with operating frequency 28 GHz by Manuilov, V.N., Yu, Glyavin M., Proyavin, M.D., Zavolsky, N.A., Sobolev, D.I., Morozkin, M.V.

“…The project of a first harmonic CW gyrotron with the operating frequency of 28 GHz and an output power more than 20 kW, intended for various technological…”
Get full text

Method for synthesis of wideband multimode waveguide units by Denisov, G.G., Sobolev, D.I.

“…Method of waveguide mode converter synthesis was modified to achieve wide frequency band for various elements of microwave transmission lines. Synthesis…”
Get full text

New HE/sub 11/ corrugated waveguide components with minimal diffraction losses by Malygin, V., Chirkov, A.V., Denisov, G.G., Lukovnikov, D.A., Sobolev, D.I.

“…A systematic approach is proposed to design of mode filters and low-loss miter bends in oversized corrugated waveguides. New components for 84 GHz frequency…”
Get full text