[Combinaison cohérente de lasers à fibres]
Le développement récent des lasers à fibres les rend attractifs pour supplanter les lasers massifs notamment dans le domaine des hautes puissances. Une solution pour la montée en puissance consiste à combiner de manière cohérente plusieurs lasers fibrés de puissance modérée, déjà optimisés et utilisant une technologie éprouvée. Les techniques de combinaison cohérente se divisent en deux grandes catégories : celles exploitant la notion de densification de pupilles pour lesquelles la combinaison se produit en champ lointain et celles utilisant un résonateur multiaxes construit autour d'un interféromètre. Dans ce cas, l'émission est unimodale.
Recent development of fibre lasers makes them good candidates to supplant bulk lasers especially for high power applications. A solution for power scaling consists in combining several standard fibre lasers emitting moderate power. Coherent combining techniques can be classified in two broad classes: aperture-filling methods and collinear interferometric summation methods. For the first, the phase-locking of the different emitters leads to a power combining only in the far field, whereas for the second, the power combining is obtained in both near field and far field.
Mot clés : Combinaison cohérente, Laser à fibre
Agnès Desfarges-Berthelemot 1 ; Vincent Kermène 1 ; David Sabourdy 1 ; Johan Boullet 1 ; Philippe Roy 1 ; Jerôme Lhermite 1 ; Alain Barthélémy 1
@article{CRPHYS_2006__7_2_244_0,
author = {Agn\`es Desfarges-Berthelemot and Vincent Kerm\`ene and David Sabourdy and Johan Boullet and Philippe Roy and Jer\^ome Lhermite and Alain Barth\'el\'emy},
title = {Coherent combining of fibre lasers},
journal = {Comptes Rendus. Physique},
pages = {244--253},
publisher = {Elsevier},
volume = {7},
number = {2},
year = {2006},
doi = {10.1016/j.crhy.2006.01.019},
language = {en},
}
TY - JOUR AU - Agnès Desfarges-Berthelemot AU - Vincent Kermène AU - David Sabourdy AU - Johan Boullet AU - Philippe Roy AU - Jerôme Lhermite AU - Alain Barthélémy TI - Coherent combining of fibre lasers JO - Comptes Rendus. Physique PY - 2006 SP - 244 EP - 253 VL - 7 IS - 2 PB - Elsevier DO - 10.1016/j.crhy.2006.01.019 LA - en ID - CRPHYS_2006__7_2_244_0 ER -
%0 Journal Article %A Agnès Desfarges-Berthelemot %A Vincent Kermène %A David Sabourdy %A Johan Boullet %A Philippe Roy %A Jerôme Lhermite %A Alain Barthélémy %T Coherent combining of fibre lasers %J Comptes Rendus. Physique %D 2006 %P 244-253 %V 7 %N 2 %I Elsevier %R 10.1016/j.crhy.2006.01.019 %G en %F CRPHYS_2006__7_2_244_0
Agnès Desfarges-Berthelemot; Vincent Kermène; David Sabourdy; Johan Boullet; Philippe Roy; Jerôme Lhermite; Alain Barthélémy. Coherent combining of fibre lasers. Comptes Rendus. Physique, Volume 7 (2006) no. 2, pp. 244-253. doi : 10.1016/j.crhy.2006.01.019. https://comptes-rendus.academie-sciences.fr/physique/articles/10.1016/j.crhy.2006.01.019/
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