In this paper, we present the results of a high power photonic crystal fiber laser, where the well-known concepts of double-clad and large-mode-area design are transfered to an actively doped microstructured fiber. The double-clad design is achieved by surrounding the inner cladding (pump core) with a web of silica bridges (as thin as 390 nm and approximately 50 /spl mu/m long) which are substantially narrower than the wavelength of the guided radiation. It is concluded that air-clad microstructure ytterbium-doped large-mode-area fibers should be scalable to kW-level output powers, where nonlinearity will limit the performance.


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    Title :

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


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


    Publication date :

    2003-01-01


    Size :

    92913 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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