S L Semenov

Fiber Optics Research Center

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Evgenii M Dianov

Fiber Optics Research Center

ММ

М. М. Бубнов

Fiber Optics Research Center

I. A. Bufetov

Russian Academy of Sciences

V. F. Khopin

Institute of Chemistry of High-Purity Substances them. G.G.Devyatyh

O. N. Egorova

Prokhorov General Physics Institute

Vladimir V. Velmiskin

Fiber Optics Research Center

A N Gur'yanov

Institute of Chemistry of High-Purity Substances them. G.G.Devyatyh

A. A. Rybaltovsky

Fiber Optics Research Center

A. N. Guryanov

Institute of Chemistry of High-Purity Substances them. G.G.Devyatyh

АК

А.С. Курков

Ulyanovsk State University

Cooperative Institutions

Russian Academy of Sciences

Prokhorov General Physics Institute

Fiber Optics Research Center

Vavilov Institute of General Genetics

Institute of Chemistry of High-Purity Substances them. G.G.Devyatyh

Lomonosov Moscow State University

Institute of Gene Biology

Institute of Radio-Engineering and Electronics

Institute of Laser Physics

Moscow State University

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Papers

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Ytterbium fibre laser with a heavily Yb³⁺-doped glass fibre core

Quantum Electronics (2006)

I. A. Bufetov S L Semenov A. F. Kosolapov Mikhail Melkumov V V Dudin

The use of optical fibres with a high concentration of active ions in the fibre core allows the reduction of the active fibre length and the increase in the threshold powers of various nonlinear effects in the fibre, thereby increasing the maximum output power of fibre lasers. For this purpose, we manufactured a highly concentrated ytterbium-doped (∼1.0×1021cm-3) phosphate glass for the active fibre core and a pure glass of a similar composition for the fibre cladding. A single-mode fibre is fabricated from these glasses and generation is obtained in an ytterbium laser based on this fibre with the slope efficiency of no less than 60% at a wavelength of 975 nm.

Ytterbium

10.1070/qe2006v036n03abeh013123

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Citations (16)

Continuously accessible long-term fiber optic memory of microwave signal

Mikhail Belkin Tatiana Bakhvalova I. V. Gladyshev O. N. Egorova S L Semenov

The first continuously accessible long-term fiber optic radio-frequency memory based on distributed structure of low-power emitters with wavelength division multiplexing, multicore optical fiber as retarding medium, optoelectronic repeater unit, and optical recirculation time-delay circuit are developed and investigated.

Repeater (horology)

SIGNAL (programming language)

Optical communications repeater

10.1109/mwp.2017.8168695

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Citations (2)

Study of the dynamics of transformation of point defects in phosphosilicate fibres by the induced refraction index

Quantum Electronics (2003)

Yu. V. Larionov A. A. Rybaltovsky S L Semenov M A Kurzanov Aleksei Z Obidin

A method for studying the dynamics of transformation of defects in optical fibres, exposed to UV radiation, by the dose dependence of the induced refractive index is proposed. The processes of transformation of defects in a low-loss phosphosilicate fibre, loaded with molecular hydrogen, irradiated at the 193-nm wavelength are investigated using this method. It is assumed that such a fibre has at least two types of defects, responsible for the induction of the refractive index.

10.1070/qe2003v033n10abeh002524

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Citations (3)

High-aperture optical waveguides based on fluorine-doped silica glass

Inorganic Materials (2009)

A. N. Guryanov M. Y. Salganskii V. F. Khopin A. F. Kosolapov S L Semenov

Fluorine

Waveguide

Numerical aperture

Aperture (computer memory)

10.1134/s0020168509070218

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Citations (23)

Application of reduced-pressure plasma CVD technology to the fabrication of Er-doped optical fibers

Optical Materials (1994)

E. M. Dianov К.М. Голант V.I. Karpov R.R. Khrapko А.С. Курков

Cladding (metalworking)

Fluorine

Plastic-clad silica fiber

10.1016/0925-3467(94)90003-5

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Citations (18)

Optical properties of IR-emitting centres in Pb-doped silica fibres

Quantum Electronics (2012)

Alexander S. Zlenko Sergei Firstov K E Ryumkin V. F. Khopin L. D. Iskhakova

The first fibre preforms with a Pb-doped silica core, free of other dopants, have been produced using chemical vapour deposition. The preforms have been used to fabricate holey optical fibres. The spectroscopic properties of the fibres have been studied in detail in the range 400 — 1700 nm: we have measured the optical loss, constructed a three-dimensional luminescence excitation — emission graph and determined the decay time for the major luminescence peaks.

10.1070/qe2012v042n04abeh014816

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Citations (12)

Bismuth-doped Mg-Al-silicate glasses and optical fibers on their base

Lasers, Sources, and Related Photonic Devices (2012)

B. I. Denker B. I. Galagan S. E. Sverchkov Sergei Firstov I. A. Bufetov

Absorption and near-infrared emission properties of Bi-doped "powder-in-tube" fabricated fibers were compared with the bulk glass samples of the same Mg-Al-silicate glass composition. The losses in the fibers were an order of magnitude less than in Ir crucible melted glasses.

Bismuth

Crucible (geodemography)

Silicate glass

Base (topology)

Glass tube

10.1364/aiom.2012.jth2a.4

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Citations (0)

The fibre fuse effect in microstructured fibres

Quantum Electronics (2004)

Evgenii M Dianov А. А. Фролов I. A. Bufetov S L Semenov Yury K Chamorovsky

The fibre fuse effect was observed for the first time in microstructured fibres exposed to laser radiation. The threshold power for this effect in such fibres is an order of magnitude higher than that for conventional silica fibres.

Fuse (electrical)

10.1070/qe2004v034n01abeh002581

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Citations (5)

Infrared polycrystalline waveguides made of silver halides

Soviet Journal of Quantum Electronics (1986)

Viacheslav Artyushenko Leonid N. Butvina V. V. Voitsekhovskii Evgenii M Dianov Liya Zhukova

Single crystals of AgCl and AgBr and of their solid solution KRS-13 were grown. The lowest absorption was exhibited by the solid solution: it amounted to 6×10−5cm−1 at 10.6μ and 1.4×10−4cm−1 at 5–6μ. An investigation of the edges of many-phonon absorption yielded estimates of the minimum intrinsic optical losses, which were 10−1–10−2 dB/km at wavelengths in the range 5–10μ. Extrusion was used in the preparation of polycrystalline fiber waveguides from AgCl, AgBr, and KRS-13. The optical losses at 10.6μ in the waveguides made of AgCl (0.5 dB/m) and in KRS-13 (1.3 kB/m) were governed by the absorption, whereas in the AgBr waveguide (3.5 dB/m) they were governed by the scattering. A polycrystalline KRS-13 waveguide was prepared for the first time and it exhibited a high breaking strength (~150 MPa and a low minimum radius of elastic bending (~5 cm).

Waveguide

10.1070/qe1986v016n03abeh006032

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Citations (1)

Length-varying computer-controlled fibre drawing

Measurement Science and Technology (1994)

V. A. Bogatyrjov М. М. Бубнов S L Semenov A. A. Sysoliatin

A computer-controlled technology for length-varying fibre drawing from standard preforms has been developed. It allows fibres with a necessary length dependence on the diameter to be fabricated. During the drawing process information about the current diameter is processed by a computer and compared with a pre-arranged value. A control signal produced by the computer is passed to the drawing unit. Software and hardware have been developed to obtain single-mode fibres with chromatic dispersion varying along the length, the fibre length being in the range from several metres to several kilometres. Diameter deviation from the pre-arranged value is less than 0.3%.

10.1088/0957-0233/5/11/009

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Citations (5)