Search Results - "Babin, S."

Hydrodynamic 2D Turbulence and Spatial Beam Condensation in Multimode Optical Fibers by Podivilov, E V, Kharenko, D S, Gonta, V A, Krupa, K, Sidelnikov, O S, Turitsyn, S, Fedoruk, M P, Babin, S A, Wabnitz, S

“…We show that Kerr beam self-cleaning results from parametric mode mixing instabilities that generate a number of nonlinearly interacting modes with randomized…”
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Thermalization of Orbital Angular Momentum Beams in Multimode Optical Fibers by Podivilov, E. V., Mangini, F., Sidelnikov, O. S., Ferraro, M., Gervaziev, M., Kharenko, D. S., Zitelli, M., Fedoruk, M. P., Babin, S. A., Wabnitz, S.

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The laminar–turbulent transition in a fibre laser by Turitsyna, E. G., Smirnov, S. V., Sugavanam, S., Tarasov, N., Shu, X., Babin, S. A., Podivilov, E. V., Churkin, D. V., Falkovich, G., Turitsyn, S. K.

“…Studying the transition from a linearly stable coherent laminar state to a highly disordered state of turbulence is conceptually and technically challenging,…”
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Statistical mechanics of beam self-cleaning in GRIN multimode optical fibers by Mangini, F, Gervaziev, M, Ferraro, M, Kharenko, D S, Zitelli, M, Sun, Y, Couderc, V, Podivilov, E V, Babin, S A, Wabnitz, S

“…Since its first demonstration in graded-index multimode fibers, spatial beam self-cleaning has attracted a growing research interest. It allows for the…”
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Wave kinetics of random fibre lasers by Churkin, D V., Kolokolov, I V., Podivilov, E V., Vatnik, I D., Nikulin, M A., Vergeles, S S., Terekhov, I S., Lebedev, V V., Falkovich, G., Babin, S A., Turitsyn, S K.

“…Traditional wave kinetics describes the slow evolution of systems with many degrees of freedom to equilibrium via numerous weak non-linear interactions and…”
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Femtosecond point-by-point inscription of Bragg gratings by drawing a coated fiber through ferrule by Dostovalov, A V, Wolf, A A, Parygin, A V, Zyubin, V E, Babin, S A

“…A ferrule-based method of direct fs FBG inscription through protective plastic coating is demonstrated. Fluctuations of fiber core position relative to the…”
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Oxide composition and period variation of thermochemical LIPSS on chromium films with different thickness by Dostovalov, A V, Korolkov, V P, Okotrub, K A, Bronnikov, K A, Babin, S A

“…In this paper, we present the results of thermochemical LIPSS formation on a chromium film with a thickness in the range of 28-350 nm induced by femtosecond…”
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Evolution of dissipative solitons in a fiber laser oscillator in the presence of strong Raman scattering by Bednyakova, A E, Babin, S A, Kharenko, D S, Podivilov, E V, Fedoruk, M P, Kalashnikov, V L, Apolonski, A

“…As recently revealed, chirped dissipative solitons (DSs) generated in a long cavity fiber laser are subject to action of stimulated Raman scattering (SRS)…”
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High-efficiency cascaded Raman fiber laser with random distributed feedback by Babin, S A, Vatnik, I D, Laptev, A Yu, Bubnov, M M, Dianov, E M

“…Cascaded lasing provided by Raman gain (at 1115-nm pumping) and random distributed feedback (via Rayleigh backscattering) in a 1.65-km phosphosilicate fiber is…”
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Multimode LD-pumped all-fiber Raman laser with excellent quality of 2nd-order Stokes output beam at 1019 nm by Kuznetsov, A G, Nemov, I N, Wolf, A A, Kablukov, S I, Babin, S A

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Formation of thermochemical laser-induced periodic surface structures on Ti films by a femtosecond IR Gaussian beam: regimes, limiting factors, and optical properties by Dostovalov, A. V., Korolkov, V. P., Babin, S. A.

“…The formation of thermochemical laser-induced periodic surface structures (TLIPSS) on 400-nm Ti films deposited onto a glass substrate is investigated under…”
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Satellite evidence of hurricane-induced phytoplankton blooms in an oceanic desert by Babin, S. M., Carton, J. A., Dickey, T. D., Wiggert, J. D.

“…The physical effects of hurricanes include deepening of the mixed layer and decreasing of the sea surface temperature in response to entrainment, curl‐induced…”
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Multi-peak structure of generation spectrum of random distributed feedback fiber Raman lasers by Vatnik, I D, Zlobina, E A, Kablukov, S I, Babin, S A

“…We study spectral features of the generation of random distributed feedback fiber Raman laser arising from two-peak shape of the Raman gain spectral profile…”
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Frequency doubling of multimode diode-pumped GRIN-fiber Raman lasers by Kuznetsov, A G, Evmenova, E A, Dontsova, E I, Kablukov, S I, Babin, S A

“…Frequency doubling of multimode diode-pumped GRIN-fiber Raman laser with improved beam quality (M =1.9-2.6 depending on configuration) in a simple single-pass…”
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Fifty-ps Raman fiber laser with hybrid active-passive mode locking by Kuznetsov, A G, Kharenko, D S, Podivilov, E V, Babin, S A

“…Actively mode locked Raman lasing in a ring PM-fiber cavity pumped by a linearly polarized Yb-doped fiber laser is studied. At co-propagating pumping, a…”
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Upcut Milling by Babin, S. V., Ignatov, M. G., Perminov, A. E.

“…Upcut milling of plane surfaces is investigated. To increase the accuracy of the machined surface, the cutting force vector must be taken into account. That…”
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Raman dissipative solitons generator near 1.3 mkm: limiting factors and further perspectives by Bednyakova, A. E., Kharenko, D. S., Zhdanov, I., Podivilov, E. V., Fedoruk, M. P., Babin, S. A.

“…Raman dissipative solitons (RDS) have been investigated numerically. It was found that the area of stable generation is bounded in terms of pump spectral…”
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Raman Fiber Laser with a Wavelength of 1.48 μm for Ultrafast Heating of Cryopreserved Microobjects by Evmenova, E. A., Kuznetsov, A. G., Okotrub, K. A., Nemov, I. N., Babin, S. A.

“…A millisecond cascaded Raman phosphosilicate fiber laser emitting 1475-nm pulses with an energy of 8.5 mJ is demonstrated. The laser is designed for ultrafast…”
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Lasing Spectrum Narrowing in a Seven-Core Fiber Laser with an Array of Bragg Gratings Inscribed by Femtosecond Pulses by Kuznetsov, A. G., Wolf, A. A., Egorova, O. N., Semjonov, S. L., Dostovalov, A. V., Podivilov, E. V., Babin, S. A.

“…The paper examines lasing regimes of a 7-core ytterbium fiber laser with a cavity based on an array of fiber Bragg gratings (FBGs) inscribed in each core by…”
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Quantitative characterization of energy absorption in femtosecond laser micro-modification of fused silica by Dostovalov, A V, Wolf, A A, Mezentsev, V K, Okhrimchuk, A G, Babin, S A

“…We present the results of experimental and theoretical study of an energy absorption of femtosecond laser pulse in fused silica. Fundamental and second…”
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