Optical fibre with a germanate glass core for lasing near 2 {mu}m

An optical fibre with a core based on thulium-doped germanate glass (45SiO{sub 2} - 55GeO{sub 2}) and a quartz glass cladding is developed for the first time. Lasing on Tm{sup 3+} ions ({lambda} =1.862 {mu}m) with an output power up to 70 mW at a differential efficiency of 37% is obtained in a laser...

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Veröffentlicht in:	Quantum electronics (Woodbury, N.Y.) N.Y.), 2011-01, Vol.40 (12)
Hauptverfasser:	Dvoirin, Vladislav V, Mashinskii, Valerii M, Iskhakova, L D, Dianov, Evgenii M, Yashkov, M V, Khopin, V F, Gur'yanov, Aleksei N
Format:	Artikel
Sprache:	eng
Schlagworte:	CHARGED PARTICLES CLADDING DEPOSITION DOPED MATERIALS ELEMENTS FIBERS GERMANATES GERMANIUM COMPOUNDS GLASS IONS MATERIALS MATERIALS SCIENCE METALS MINERALS OPTICAL FIBERS OXIDE MINERALS OXYGEN COMPOUNDS QUARTZ RARE EARTHS SURFACE COATING THULIUM THULIUM IONS
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Beschreibung
Zusammenfassung:	An optical fibre with a core based on thulium-doped germanate glass (45SiO{sub 2} - 55GeO{sub 2}) and a quartz glass cladding is developed for the first time. Lasing on Tm{sup 3+} ions ({lambda} =1.862 {mu}m) with an output power up to 70 mW at a differential efficiency of 37% is obtained in a laser based on this fibre. (letters)
ISSN:	1063-7818
DOI:	10.1070/QE2010V040N12ABEH014485