Yb-, Er—Yb-, and Nd-doped fibre lasers based on multi-element first cladding fibres

Single-mode cw Yb-, Er-Yb, and Nd-doped fibre lasers are fabricated by using fibres of a complicated structure (a few silica fibres in optical contact with each other are surrounded by a polymer jacket). Such a structure allows the coupling of radiation from several pump sources into one active fibr...

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Bibliographic Details
Published in:Quantum electronics (Woodbury, N.Y.) N.Y.), 2005-04, Vol.35 (4), p.328-334
Main Authors: Bufetov, Igor' A, Bubnov, M M, Mel'kumov, Mikhail A, Dudin, V V, Shubin, Aleksei V, Semenov, S L, Kravtsov, K S, Gur'yanov, A N, Yashkov, M V, Dianov, Evgenii M
Format: Article
Language:English
Subjects:
ABSORPTION
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
COUPLING
DOPED MATERIALS
EFFICIENCY
ELEMENTS
ERBIUM
FIBERS
LASERS
MATERIALS
METALS
MINERALS
NEODYMIUM
OPTICAL FIBERS
OXIDE MINERALS
POLYMERS
PUMPING
RARE EARTHS
SILICA
SORPTION
YTTERBIUM
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Summary:Single-mode cw Yb-, Er-Yb, and Nd-doped fibre lasers are fabricated by using fibres of a complicated structure (a few silica fibres in optical contact with each other are surrounded by a polymer jacket). Such a structure allows the coupling of radiation from several pump sources into one active fibre, providing an increase in the output power of the fibre laser. The Yb-doped fibre lasers with the output power above 50 W and efficiency {approx}65% and the 1.608-{mu}m Er-Yb-doped fibre laser pumped to the absorption band of Yb are fabricated and studied. The Nd-doped fibre lasers based on such fibres and emitting at 0.92 and 1.06 {mu}m are manufactured for the first time. (lasers)
ISSN:1063-7818
1468-4799
DOI:10.1070/QE2005v035n04ABEH002926