[Fibres pour lasers à fibre et amplificateurs de forte puissance]
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 l'importance des structures optimisées et des faibles pertes dans le cœur de la fibre.
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.
Mots-clés : Laser, Fibre, Ytterbium, Forte puissance, Fibre à double gaine
Hans-Rainer Müller 1 ; Johannes Kirchhof 1 ; Volker Reichel 1 ; Sonja Unger 1
@article{CRPHYS_2006__7_2_154_0,
author = {Hans-Rainer M\"uller and Johannes Kirchhof and Volker Reichel and Sonja Unger},
title = {Fibers for high-power lasers and amplifiers},
journal = {Comptes Rendus. Physique},
pages = {154--162},
publisher = {Elsevier},
volume = {7},
number = {2},
year = {2006},
doi = {10.1016/j.crhy.2006.01.013},
language = {en},
}
TY - JOUR AU - Hans-Rainer Müller AU - Johannes Kirchhof AU - Volker Reichel AU - Sonja Unger TI - Fibers for high-power lasers and amplifiers JO - Comptes Rendus. Physique PY - 2006 SP - 154 EP - 162 VL - 7 IS - 2 PB - Elsevier DO - 10.1016/j.crhy.2006.01.013 LA - en ID - CRPHYS_2006__7_2_154_0 ER -
Hans-Rainer Müller; Johannes Kirchhof; Volker Reichel; Sonja Unger. Fibers for high-power lasers and amplifiers. Comptes Rendus. Physique, High power fiber lasers and amplifiers, Volume 7 (2006) no. 2, pp. 154-162. doi : 10.1016/j.crhy.2006.01.013. https://comptes-rendus.academie-sciences.fr/physique/articles/10.1016/j.crhy.2006.01.013/
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