Author Archives: admin_q

VUV generation in hydrogen and fluorine in diffuse discharges produced by runaway electrons

A. N. Panchenko, V. F. Tarasenko, V. V. Kozhevnikov Institute of High Current Electronics, Siberian Branch of the Russian Academy of Sciences, Tomsk Abstract: We study parameters of stimulated emission in diffuse discharges formed in a sharply inhomogeneous electric field in mixtures of inert gases with additions of hydrogen and fluorine at pressures up to… Read More »

Generation of radiation from a quantum-cascade mid-IR laser

A. E. Shepelev, A. G. Putilov, A. A. Antipov, A. A. Angeluts Institute on Laser and Information Technologies, Branch of the Federal Research Centre ‘Crystallography and Photonics’ Ioffe Institute, St. Petersburg Faculty of Physics, Lomonosov Moscow State University Abstract: A quantum cascade laser (QCL) is studied and the results of registration of the radiation pattern… Read More »

1064-nm tunable single-frequency semiconductor laser module

V. P. Duraev, M. A. Ladugin, I. S. Molodtsov, S. A. Voronchenko, S. V. Medvedev, N. V. Gul’tikov “Nolatech” Joint-Stock Company, Moscow Polyus Research and Development Institute named after M. F. Stel’makh, Moscow Abstract: We report results of fabricating a 1064-nm tunable single-frequency semiconductor laser module with an external cavity based on a fibre Bragg… Read More »

Nonlinear attenuation of laser radiation by colloidal products of aluminum target ablation in dimethyl sulfoxide

A. S. Zverev, D. R. Nurmuhametov, D. M. Russakov, O. S. Efimova, D. S. Vorobetz, A. V. Kalenskii, A. A. Zvekov Kemerovo State University The Federal Research Center of Coal and Coal-Chemistry of Siberian Branch of the Russian Academy of Sciences Abstract: We study nonlinear attenuation of nanosecond laser irradiation by metal nanoparticles. Nanosized colloids… Read More »

Simulation of the limiting parameters of a polarimetric fibre-optic current sensor on a spun fibre

I. L. Lovchiĭ Research Institute for Complex Testing of Optoelectronic Devices and Systems, Sosnovy Bor, Leningrad region Abstract: We report results of numerical simulation of limiting parameters of a spun-fibre-based polarimetric fibre-optic current sensor. A technique for modelling sensor parameters is described. Using the Poincaré sphere approach, we analyse the trajectory of a change in… Read More »

Statistics of nonlinear noise in a high-speed optical communication line without dispersion compensation

E. G. Shapiro, D. A. Shapiro Institute of Automation and Electrometry, Siberian Branch of Russian Academy of Sciences, Novosibirsk Abstract: A communication line without dispersion compensation is considered. It is shown analytically and numerically that almost over the entire length of the communication line, the field power in the fibre is given by the distribution… Read More »

Formation of two-dimensional image contours in zero and plus second diffraction orders in the process of double Bragg diffraction

V. M. Kotov, S. V. Averin, A. A. Zenkina, A. S. Belousova Kotelnikov Institute of Radioengineering and Electronics, Fryazino Branch, Russian Academy of Sciences Abstract: We examine a possibility of double Bragg diffraction for two-dimensional image edge enhancement simultaneously in two Bragg orders. Transfer functions of the Bragg orders of double diffraction are obtained taking… Read More »

Soliton mode beams with positive and negative group velocities in a thin left-handed film on a right-handed Kerr substrate

  Yu. V. Zelenetckaia, R. V. Litvinov, N. R. Melikhova, A. S. Spiridonova a Tomsk State University of Control Systems and Radioelectronics b Tomsk Polytechnic University Abstract: We consider propagation of stationary dark and bright spatial solitons and various pairs of incoherently coupled solitons in a planar waveguide consisting of a thin left-handed film on… Read More »

Laser synthesis of nanopowders based on zinc selenide for the preparation of highly transparent ceramics

  V. V. Osipov, V. V. Platonov, A. M. Murzakaev, E. V. Tikhonov, A. I. Medvedev Institute of Electrophysics, Ural Branch, Russian Academy of Sciences, Ekaterinburg Abstract: We report the synthesis of weakly agglomerated ZnSe and Cu:ZnSe nanopowders by evaporation of a target of a corresponding chemical composition using an ytterbium-doped fibre laser emitting periodic… Read More »

Counter-propagating four-wave mixing on phase–amplitude holographic gratings in a cubic photorefractive crystal

V. N. Naunyka Mozyr State Teacher’s Training University named after I. P. Shamiakin Abstract: system of coupled-wave equations is presented, which can be used to find the components of the vector amplitudes of linearly polarised light waves during four-wave mixing on phase-amplitude holographic gratings in a cubic photorefractive crystal. When deriving the coupling equations, account… Read More »