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Comptes Rendus Physique
Volume 7, n° 2
pages 154-162 (mars 2006)
Doi : 10.1016/j.crhy.2006.01.013
Fibers for high-power lasers and amplifiers
Fibres pour lasers à fibre et amplificateurs de forte puissance
 

Hans-Rainer Müller , Johannes Kirchhof, Volker Reichel, Sonja Unger
Institute for Physical High Technology e. V. Jena, Albert-Einstein-Strasse 9, 07745 Jena, Germany 

Corresponding author.
Abstract

A review is given on the recent developments of fibers for high-power cladding-pumped fiber lasers. The structures necessary for an efficient pump light absorption are described and the reasons for the use of silica as the main host material are explained. The advantages and problems of the new structures for high power stability like large-mode-area or microstructured fibers are discussed. The results from a successful kW-fiber-laser experiment are used to underline the importance of optimized structures and low background losses in the fiber core. To cite this article: H.-R. Müller et al., C. R. Physique 7 (2006).

The full text of this article is available in PDF format.
Résumé

Cet article présente une revue sur les développements récents des fibres pour les lasers pompés par la gaine de forte puissance. Les structures nécessaires pour une absorption efficace de la lumière de pompe sont décrites, ainsi que les raisons du choix de la silice comme matériau hôte. Les avantages et les contraintes liées aux nouvelles structures, tel que les fibres à large surface de mode ou les fibres microstructurées, sont abordés. Les performances obtenues avec un laser de puissance supérieure à 1 kW soulignent lʼimportance des structures optimisées et des faibles pertes dans le cœur de la fibre. Pour citer cet article : H.-R. Müller et al., C. R. Physique 7 (2006).

The full text of this article is available in PDF format.

Keywords : Laser, Fiber, Ytterbium, High power, Double-clad fiber

Mots-clés : Laser, Fibre, Ytterbium, Forte puissance, Fibre à double gaine




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