Continuous-wave highly efficient phosphosilicate fibre-based Raman laser (λ = 1.24 μm)

Continuous-wave highly efficient phosphosilicate fibre-based Raman laser (λ = 1.24 μm)

An efficient fibre-based Raman laser was developed on the basis of a phosphosilicate optical fibre with low optical losses. Bragg fibre gratings, constituting the laser cavity, were formed directly in the active fibre. The parameters, mathematical modelling, and optimisation of the laser were invest...

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Veröffentlicht in:Quantum electronics (Woodbury, N.Y.) N.Y.), 1999-11, Vol.29 (11), p.935-938
Hauptverfasser: Dianov, Evgenii M, Bufetov, Igor' A, Bubnov, M M, Grekov, M V, Shubin, Aleksei V, Vasil'ev, Sergei A, Medvedkov, O I, Semenov, S L, Egorova, O N, Gur'yanov, A N, Khopin, V F, Yashkov, M V, Varelas, D, Iocco, A, Costantini, D M, Limberger, H G, Salathe, R-P
Format: Artikel
Sprache:eng
Schlagworte:
CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY
EFFICIENCY
ELEMENTS
FIBERS
GRATINGS
LASER CAVITIES
LASERS
METALS
NEODYMIUM
OPTICAL FIBERS
OPTIMIZATION
PUMPING
QUANTUM EFFICIENCY
RAMAN EFFECT
RARE EARTHS
SIMULATION
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Beschreibung
Zusammenfassung:An efficient fibre-based Raman laser was developed on the basis of a phosphosilicate optical fibre with low optical losses. Bragg fibre gratings, constituting the laser cavity, were formed directly in the active fibre. The parameters, mathematical modelling, and optimisation of the laser were investigated. As a result of the optimisation, the output power reached 2.4 W for pumping with radiation from a neodymium fibre-based laser with a power of 3.5 W, which corresponds to a 77% quantum efficiency of the Raman laser. (lasers)
ISSN:1063-7818
1468-4799
DOI:10.1070/QE1999v029n11ABEH001609