We follow a theoretical proposal to scale the output power of the erbium 3-/spl mu/m fiber laser to the 1-W region. Ground-state bleaching and consequent ESA losses are avoided by the combination of 1) a highly erbium-doped fiber and the relatively low pump intensity present in a cladding pumped fiber with 2) an active reduction of the excitation density by energy transfer to a Pr/sup 3+/ codopant. Recently, the first investigation of the validity of this approach has led to 660 mW of output power at 2.7 /spl mu/m under diode pumping.


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    Titel :

    Diode-pumped 1.7-W erbium 3-/spl mu/m fiber laser


    Beteiligte:
    Jackson, S.D. (Autor:in) / King, T.A. (Autor:in) / Pollnau, M. (Autor:in)


    Erscheinungsdatum :

    1999-01-01


    Format / Umfang :

    112183 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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