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Dvoyrin, Vladislav
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Topics
Publications (17/17 displayed)
- 2023All-Glass Single-Mode Leakage Channel Microstructured Optical Fibers with Large Mode Area and Low Bending Losscitations
- 2013Yb-Tm energy transfer in Y-codoped fibers
- 2012Broadband dispersion measurement of ZBLAN, germanate and silica fibers in MidIRcitations
- 2011Influence of electron irradiation on optical properties of Bismuth doped silica fiberscitations
- 2011Fabrication/characterization of fiber gratings and photosensitivity in Ge-free Bi-Al-silica fibers
- 2010Luminescent properties of bismuth centres in aluminosilicate optical fibrescitations
- 2010Optical fibre with a germanate glass core for lasing near 2 μmcitations
- 2010UV-photosensitivity of germanium-free Bi-Al silica fibers
- 2009Infrared luminescence enhancement by UV-irradiation of H2-loaded Bi-Al-doped fiber
- 2009Holmium fiber laser based on the heavily doped active fibercitations
- 2009Molecular orbital model of optical centers in bismuth-doped glassescitations
- 2008Absorption and scattering in bismuth-doped optical fiberscitations
- 2006Bi-doped silica fibers - A new active medium for tunable fiber lasers and broadband fiber amplifiers
- 2006Bismuth-doped-glass optical fibers - A new active medium for lasers and amplifierscitations
- 2006Bi-doped silica fiber laser
- 2005CW bismuth fibre lasercitations
- 2005Absorption, fluorescence and optical amplification in MCVD bismuth-doped silica glass optical fibrescitations
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article
Molecular orbital model of optical centers in bismuth-doped glasses
Abstract
<p>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 potential interactions of s, p, and d electron shells of bismuth with s(σ), p(σ), and p(σ) orbits of oxygen atoms. The approach can explain the IR luminescence properties of other optical centers formed by other atoms with the same structure of electron shells as the bismuth atom. The model of transitions based on intramolecular charge transfer between molecular orbital and metallic states is proposed.</p>