We report on a 2.3 m long air-clad ytterbium-doped large-mode-area photonic crystal fiber laser generating up to 80 W output power with a slope efficiency of 78%. Single transverse mode operation is achieved with a mode-field area of 350 /spl mu/m/sup 2/. No thermo-optical limitations are observed at the extracted /spl sim/35 W/m, therefore such fibers allow scaling to even higher powers.


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    Title :

    High-power air-clad large-mode-area photonic crystal fiber laser


    Contributors:
    Limpert, J. (author) / Schreiber, T. (author) / Nolte, S. (author) / Zellmer, H. (author) / Tunnermann, A. (author) / Iliew, R. (author) / Lederer, F. (author) / Broeng, J. (author) / Vienne, G. (author) / Peterson, A. (author)


    Publication date :

    2003-01-01


    Size :

    194100 byte



    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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