Search Results - "VASILIEV, S.A."

Optical spectra in pure-silica-core single mode optical fibers after high-fluence reactor irradiation by Kenzhina, I.E., Kashaykin, P.F., Vasiliev, S.A., Zaurbekova, Zh.A., Askerbekov, S.K., Tolenova, A.U., Samarkhanov, K.K., Kulsartov, T.V., Shaimerdenov, A.A., Tomashuk, A.L.

“…•Thespectral study of radiation-induced attenuation (RIA) in reactor-irradiated single mode optical fibers (OF) with various coatings are presented.•The OFs…”
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Radiation resistance of single-mode optical fibres with view to in-reactor applications by Kashaykin, P.F., Tomashuk, A.L., Vasiliev, S.A., Ignatyev, A.D., Shaimerdenov, A.A., Ponkratov, Yu.V., Kulsartov, T.V., Kenzhin, Y.A., Kh. Gizatulin, Sh, Zholdybayev, T.K., Chikhray, Y.V., Semjonov, S.L.

“…•Reliability of single-mode fibres is tested with view to the whole ITER lifetime.•Polyimide-coated fibres fail mechanically during ITER-relevant…”
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Continuous-wave operation of an erbium-doped short-cavity composite fiber laser by Rybaltovsky, A.A., Butov, O.V., Vasiliev, S.A., Nechepurenko, I.A., Egorova, O.N., Semjonov, S.L., Galagan, B.I., Denker, B.I., Sverchkov, S.E.

“…•Short-cavity fiber laser based on erbium-doped composite fiber was demonstrated.•Laser properties under 976 nm and 1490 nm pumping wavelengths were…”
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Direct Laser Writing of Bragg Gratings in Silica Glass by Helical Motion of a Lenticular Beam Waist by Likhov, V.V., Vasiliev, S.A., Okhrimchuk, A.G.

“…High quality uniform Bragg gratings of the third order have been inscribed in a single-mode silica-based fiber by a helical motion of a lenticular beam waist…”
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FP28-TU-02 Genetic prothrombotic polymorphisms and ischemic stroke in children by Komarova, I.B, Zykov, V.P, Vasiliev, S.A, Uschakova, L.V, Schvabrina, T.V, Schuleschko, O.V

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PO16-TU-13 Prothrombotic disorders in children with ischemic stroke by Zykov, V.P, Komarova, I.B, Vasiliev, S.A, Uschakova, L.V, Stepanishev, I.L, Schvabrina, T.V

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Polarization-maintaining fiber Bragg gratings for wavelength selection in actively mode-locked Er-doped fiber lasers by Deparis, O., Kiyan, R., Vasiliev, S.A., Medvedkov, V.O.I., Dianov, E.M., Pottiez, O., Megret, P., Blondel, M.

“…Fiber Bragg gratings written in polarization-maintaining fiber are proposed for wavelength selection in actively mode-locked Er-doped fiber lasers. Combined…”
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Hydrogen diffusion and ortho–para conversion in absorption and Raman spectra of germanosilicate optical fibers hydrogen-loaded at 150–170MPa by Plotnichenko, V.G., Vasiliev, S.A., Rybaltovskii, A.O., Koltashev, V.V., Sokolov, V.O., Klyamkin, S.N., Medvedkov, O.I., Rybaltovskii, A.A., Malosiev, A.R., Dianov, E.M.

“…IR absorption and spontaneous Raman scattering spectra of germanosilicate optical fibers loaded with molecular hydrogen at pressures of 150-170MPa, as well as…”
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Behavior of strain-assisted self-trapped holes in pure-silica optical fibers upon pulsed-X-ray irradiation by Tomashuk, A.L., Filippov, A.V., Kashaykin, P.F., Salgansky, M.Yu, Vasiliev, S.A., Zverev, O.V., Guryanov, A.N., Semjonov, S.L.

“…•Strain-assisted self-trapped holes (STH) do not impede optical fiber communication•New STH bands near 1 eV control radiation-induced absorption at λ = 1.31…”
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Radiation-induced attenuation in single-mode pure-silica-core optical fibers two years after high-fluence reactor irradiation by Kenzhina, I.E., Kashaykin, P.F., Vasiliev, S.A., Zaurbekova, Zh.A., Askerbekov, S.K., Tolenova, A.U., Samarkhanov, K.K., Akhanov, A.M., Kulsartov, T.V., Shaimerdenov, A.A., Tomashuk, A.L.

“…•Reactor-irradiated to the fast-neutron fluence of 1.8·1020n/cm2 optical fibers with different coatings have been OTDR-tested.•Radiation-induced attenuation…”
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Intraoperative ultrasound-assisted surgery of spinal tumors by Levin, R S, Vasiliev, S A, Aslanukov, M N, Zuev, A A, Oshchepkov, S K

“…To improve technique of intraoperative ultrasound-assisted microsurgery of spinal tumors. There were 68 patients with 70 spinal tumors who underwent…”
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Measurement of high-birefringent spun fiber parameters using short-length fiber Bragg gratings by Vasiliev, S A, Przhiyalkovsky, Ya V, Gnusin, P I, Medvedkov, O I, Dianov, E M

“…Spectral polarization characteristics of short-length fiber Bragg gratings UV-written in a highly-birefringent spun-fiber have been investigated. Based on the…”
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Tunable single-frequency diode laser at wavelength λ=1.65μm for methane concentration measurements by Gladyshev, A.V., Belovolov, M.I., Vasiliev, S.A., Dianov, E.M., Medvedkov, O.I., Nadezhdinskii, A.I., Ershov, O.V., Beresin, A.G., Duraev, V.P., Nedelin, E.T.

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Tunable single-frequency diode laser at wavelength λ=1.65 μm for methane concentration measurements by Gladyshev, A.V., Belovolov, M.I., Vasiliev, S.A., Dianov, E.M., Medvedkov, O.I., Nadezhdinskii, A.I., Ershov, O.V., Beresin, A.G., Duraev, V.P., Nedelin, E.T.

“…This paper deals with the development of a novel single-frequency tunable diode laser with fiber-optic output for gas-analysis applications. The approach we…”
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Hydrogen diffusion and ortho– para conversion in absorption and Raman spectra of germanosilicate optical fibers hydrogen-loaded at 150–170 MPa by Plotnichenko, V.G., Vasiliev, S.A., Rybaltovskii, A.O., Koltashev, V.V., Sokolov, V.O., Klyamkin, S.N., Medvedkov, O.I., Rybaltovskii, A.A., Malosiev, A.R., Dianov, E.M.

“…IR absorption and spontaneous Raman scattering spectra of germanosilicate optical fibers loaded with molecular hydrogen at pressures of 150–170 MPa, as well as…”
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VIE DE LA SOCIÉTÉ by Plisson, H., VASILIEV, S.A., GIRJA, E.Ju, BURNEZ, Claude, BAILLY, Maxence, BESSE, Marie, CONVERTINI, Fabien, SALANOVA, Laure

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Tunable loss filter based on metal-coated long-period fiber grating by Costantini, D.M., Muller, C.A.P., Vasiliev, S.A., Limberger, H.G., Salathe, R.P.

“…An all-fiber electrically tunable loss filter that is based on photoinduced long-period grating coated by Ti-Pt metal coating was developed and investigated…”
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2.1 μm CW Raman source in GeO2 fiber by Cumberland, B.A., Travers, J.C., Popov, S.V., Taylor, J.R., Medvedkov, O.I., Vasiliev, S.A., Dianov, E.M.

“…We report a Raman laser with an output power of 4.2 W at 2.1 μm based upon a 75 mol.% GeO 2 doped fiber pumped with CW Thulium doped fiber laser. Potential of…”
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Performance of Bragg and long-period gratings written in N- and Ge-doped silica fibers under /spl gamma/-radiation by Vasiliev, S.A., Dianov, E.M., Golant, K.M., Medvedkov, O.I., Tomashuk, A.L., Karpov, V.I., Grekov, M.V., Kurkov, A.S., Leconte, B., Niay, P.

“…In-fiber Bragg and long-period gratings as well as Mach-Zehnder interferometers based on germanium- and nitrogen-doped silica fibers have been investigated…”
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Tunable loss filter based on metal coated long period grating by Costantini, D.M., Limberger, H.G., Salathe, R.P., Muller, C.A.P., Vasiliev, S.A.

“…A tunable loss filter based on a long-period fiber grating and a Ti-Pt coating is presented. Electrical wavelength tuning of 11 nm with an efficiency of 16.4…”
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