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Showing 1 to 12 of 17 entries
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Germania-glass-core silica-glass-cladding modified chemical-vapor deposition optical fibers: optical losses, photorefractivity, and Raman amplification.

Optics letters

Mashinsky VM, Neustruev VB, Dvoyrin VV, Vasiliev SA, Medvedkov OI, Bufetov IA, Shubin AV, Dianov EM, Guryanov AN, Khopin VF, Salgansky MY.
PMID: 15552656
Opt Lett. 2004 Nov 15;29(22):2596-8. doi: 10.1364/ol.29.002596.

Germania-glass-core silica-glass-cladding single-mode fibers (deltan as great as 0.143) with a minimum loss of 20 dB/km at 1.85 microm were fabricated by modified chemical-vapor deposition. The fibers exhibit strong photorefractivity, with type IIa index modulation of 2 x 10(-3)....

Molecular orbital model of optical centers in bismuth-doped glasses.

Optics letters

Kustov EF, Bulatov LI, Dvoyrin VV, Mashinsky VM.
PMID: 19448817
Opt Lett. 2009 May 15;34(10):1549-51. doi: 10.1364/ol.34.001549.

Spectroscopic properties of optical fibers with a bismuth-doped silicate glass core are explained on the basis of molecular orbital theory and a solution of the Schrödinger equation, which takes into account the exchange, the spin-orbital, and the glass field...

Critical current of a Josephson junction with spatial fluctuations of the order parameter.

Physical review. B, Condensed matter

Dorin VV, Fistul' MV.
PMID: 10003461
Phys Rev B Condens Matter. 1992 Dec 01;46(21):13951-13955. doi: 10.1103/physrevb.46.13951.

No abstract available.

Tailoring of spatial coherence in a multimode fiber by selectively exciting groups of eigenmodes.

Optics express

Ma R, Zhang HH, Manuylovich E, Sugavanam S, Wu H, Zhang WL, Dvoyrin V, Hu TP, Hu ZJ, Rao YJ, Turitsyn SK.
PMID: 32680115
Opt Express. 2020 Jul 06;28(14):20587-20597. doi: 10.1364/OE.394350.

Control of the properties of speckle patterns produced by mutual interference of light waves is important for various applications of multimode optical fibers. It has been shown previously that a high signal-to-noise ratio in a multimode fiber can be...

Bismuth-doped-glass optical fibers--a new active medium for lasers and amplifiers.

Optics letters

Dvoyrin VV, Mashinsky VM, Bulatov LI, Bufetov IA, Shubin AV, Melkumov MA, Kustov EF, Dianov EM, Umnikov AA, Khopin VF, Yashkov MV, Guryanov AN.
PMID: 17001368
Opt Lett. 2006 Oct 15;31(20):2966-8. doi: 10.1364/ol.31.002966.

Optical fibers with bismuth-doped silicate and germanate glass cores were fabricated by the modified chemical vapor deposition technique (solution and vapor-phase Bi incorporation). The fibers revealed an efficient luminescence with a maximum in the 1050-1200 nm spectral range, FWHM...

Yb-Bi pulsed fiber lasers.

Optics letters

Dvoyrin VV, Mashinsky VM, Dianov EM.
PMID: 17392884
Opt Lett. 2007 Mar 01;32(5):451-3. doi: 10.1364/ol.32.000451.

A new type of pulsed fiber laser is suggested and developed - Yb-Bi lasers. In such lasers the Yb fiber laser is Q-switched by use of a saturable absorber, a Bi-doped fiber placed in its own resonator, and pulsed...

Nanocrystalline graphite films nucleation by the radio frequency bias pretreatment.

Journal of nanoscience and nanotechnology

Dvorkin VV, Dzbanovsky NN, Krivchenko VA, Suetin NV, Rakhimov AT, Timofeyev MA, Bespalov AV, Golikova OL.
PMID: 22400280
J Nanosci Nanotechnol. 2011 Oct;11(10):8912-6. doi: 10.1166/jnn.2011.3462.

New method for nucleation of different nanocrystalline carbon films upon monocrystalline Si substrate was proposed. The process is based on a combination of microwave and radio frequency plasma assisted chemical vapor deposition methods. Potential of the method for nucleation...

Fluctuation conductivity of layered superconductors in a perpendicular magnetic field.

Physical review. B, Condensed matter

Buzdin AI, Dorin VV, Klemm RA, Livanov DV, Varlamov AA.
PMID: 10007671
Phys Rev B Condens Matter. 1993 Nov 01;48(17):12951-12965. doi: 10.1103/physrevb.48.12951.

No abstract available.

[Required number of patients for controlled clinical trials. Groups of unequal size].

Voprosy onkologii

Dvoĭrin VV, Basieva TKh, Gulaia VI.
PMID: 6730404
Vopr Onkol. 1984;30(4):3-8.

No abstract available.

[Evaluation of the reliability of statistical indices. The coefficient of relative risk].

Voprosy onkologii

Dvoĭrin VV, Koshcheev VA.
PMID: 7361497
Vopr Onkol. 1980;26(2):66-73.

No abstract available.

[Method of determining the required population cohort in studying malignant tumor prevalence].

Sovetskoe zdravookhranenie

Dvoĭrin VV.
PMID: 653385
Sov Zdravookhr. 1978;(4):36-9.

No abstract available.

Furnace chemical vapor deposition bismuth-doped silica-core holey fiber.

Optics letters

Zlenko AS, Dvoyrin VV, Mashinsky VM, Denisov AN, Iskhakova LD, Mayorova MS, Medvedkov OI, Semenov SL, Vasiliev SA, Dianov EM.
PMID: 21725492
Opt Lett. 2011 Jul 01;36(13):2599-601. doi: 10.1364/OL.36.002599.

A bismuth-doped-pure-silica holey fiber is fabricated using a fiber preform made by the furnace chemical vapor deposition method. The spectroscopic properties of the fiber are studied, and laser action at λ=1450 nm with an efficiency of 12% is demonstrated.

Showing 1 to 12 of 17 entries