Zobrazeno 1 - 10 of 117 pro vyhledávání: '"Boris I. Galagan"'
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Akademický článek
Narrow-Linewidth Single-Frequency Ytterbium Laser Based on a New Composite Yb3+-Doped Fiber
Autor: Maksim Yu. Koptev, Olga N. Egorova, Oleg I. Medvedkov, Sergey L. Semjonov, Boris I. Galagan, Sergey E. Sverchkov, Boris I. Denker, Alexander E. Zapryalov, Arkady V. Kim
Publikováno v: Photonics, Vol 9, Iss 10, p 760 (2022)
Fiber single-frequency lasers are currently being actively developed, primarily due to the growing number of applications that require compact and reliable narrow-band sources. However, the most developed single-frequency fiber lasers based on phosph
Externí odkaz: https://doaj.org/article/d7b52c47a3214f0f94472253bfa012f2
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2
A Fabry – Perot interferometer formed in the core of a composite optical fibre heavily doped with phosphorus oxide
Autor: Boris I. Galagan, V. I. Pustovoi, Olga N. Egorova, Sergei A Vasil'ev, I. G. Likhachev, Sergey E. Sverchkov, Sergey L. Semjonov, Boris I. Denker
Publikováno v: Quantum Electronics. 49:1140-1144
We report a new method for manufacturing a Fabry – Perot interferometer in the form of a microcavity in the optical fibre core. The method is based on the use of the process of electric discharge fusion splicing of a conventional optical fibre and
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::38d0b38570bb5d9e11cce42141dea113
https://doi.org/10.1070/qel17133
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3
Photosensitivity of composite erbium-doped phosphorosilicate optical fibres to 193-nm laser radiation
Autor: Boris I. Galagan, Boris I. Denker, Sergey E. Sverchkov, S. G. Zhuravlev, Sergei A Vasil'ev, A A Rybaltovsky, Olga N. Egorova, Oleg V. Butov, Sergey L. Semjonov
Publikováno v: Quantum Electronics. 49:1132-1136
Results of studying photoinduced changes of a refractive index in the core of a composite erbium-doped phosphorosilicate optical fibre under pulsed UV irradiation at a wavelength of 193 nm and the annealing of these changes are presented and analysed
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::37132704e24fa25f275cfe328960fb06
https://doi.org/10.1070/qel17160
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5
Tm3+-doped tellurite fiber weak signal amplifier at a wavelength of 2.27 µm
Autor: V. V. Koltashev, Boris I. Galagan, Vladimir A. Kamynin, Boris I. Denker, Vladimir B. Tsvetkov, Oleg I. Medvedkov, S. A. Filatova, Sergey E. Sverchkov
Publikováno v: Results in Physics, Vol 27, Iss, Pp 104512-(2021)
The amplification of a weak narrow-spectrum pulsed signal at a wavelength of 2.27 µm in Tm3+-doped tellurite fiber was demonstrated. The double-clad Tm3+-doped TeO2–ZnO–La2O3–Na2O glass fiber was used as an amplifier active medium. The pulsed
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f3fff2fc5f0676b08c9bbae2b79434f5
http://www.sciencedirect.com/science/article/pii/S2211379721006227
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6
The identification of Вi atoms and clusters in Mg Al silicate glasses
Autor: Mikhail Yu. Presniakov, L.D. Iskhakova, A. L. Vasiliev, Sergey E. Sverchkov, Boris I. Galagan, Filipp O. Milovich, Vladimir I. Bondarenko
Publikováno v: Journal of Non-Crystalline Solids. 510:166-171
Bi-activated glasses from the MgO-Al2O3-SiO2 system with IR luminescence in the region of 1050–1600 nm have been studied by the high-angle annular dark-field scanning transmission electron microscopy. It was found that individual bismuth ions are p
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3249d6b8e2bfee70ef89e4867c6ca273
https://doi.org/10.1016/j.jnoncrysol.2018.12.028
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8
Emission properties of rare earth doped chalcogenide glasses and their chance to become active media for ~5 micron lasers
Autor: Boris I. Galagan, M. F. Churbanov, Sergey E. Sverchkov, A. P. Velmushov, M.V. Sukhanov, Boris I. Denker, V. G. Plotnichenko, G. E. Snopatin, V. V. Koltashev
Publikováno v: 2020 International Conference Laser Optics (ICLO).
Ultrapure rare-earth doped chalcogenide glasses were analyzed for their mid-infrared emission properties. The parameters of selenide glasses activated by Tb, Pr and Ce were found promising for ~5 microns laser action.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::90aaabb45d3bfb9b6c843311c6d6d63e
https://doi.org/10.1109/iclo48556.2020.9285622
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9
50 mW Tellurite Glass Fiber Laser at 2.3 microns
Autor: V. V. Koltashev, Sergey E. Sverchkov, Boris I. Denker, Vitaly V. Dorofeev, S E Motorin, V. G. Plotnichenko, Boris I. Galagan
Publikováno v: 2020 International Conference Laser Optics (ICLO).
We demonstrate 45-55 mW average output power at 2.3 microns in Tm3+-doped tellurite glass fiber laser pumped by a 794 nm multimode laser diode. To the best of our knowledge it is the highest 2.3 micron output from a fiber laser, and it is already a p
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9bb8d8808486f19e9757d84ee13408cb
https://doi.org/10.1109/iclo48556.2020.9285459
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10
Thulium-doped Tellurite Fiber Amplifier at a Wavelength of 2270 nm
Autor: S. A. Filatova, V. V. Koltashev, Sergey E. Sverchkov, Boris I. Galagan, Vladimir A. Kamynin, I. V. Zhluktova, Boris I. Denker, Vladimir B. Tsvetkov
Publikováno v: 2020 International Conference Laser Optics (ICLO).
Gain properties of Tm-doped tellurite fiber at 2270 nm were investigated. The signal source was the spectrally selected part of supercontinuum from a heavily GeO 2 doped silica fiber. It was pumped by ultrashort pulses from the self-made holmium-dope
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7b1a632a4bd4eeb87db9786569e73757
https://doi.org/10.1109/iclo48556.2020.9285451
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