We are reporting a monolithic all-fiber highly multimode laser reaching up to 4.03 kW stable output power. The phosphosilicate glass matrix used as a gain medium is highly multimode optical fiber. This allows to enhance dramatically the Stimulated Raman Scattering rejection without observation of a Transverse Mode Instability neither a photodarkening phenomenon. The achievement of a high reflectivity fiber Bragg grating written on highly multimode passive fiber made the multimode laser cavity feasible.


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    Titel :

    All fiber monolithic highly multimode 4.03 kW fiber laser


    Beteiligte:
    Belhadj, Nezih (Autor:in) / Qasmi, Aouatif (Autor:in) / Maran, Jean-Noel (Autor:in) / Zha, Congwen (Autor:in) / Zhang, Zihao (Autor:in) / Ma, Shuzhen (Autor:in)

    Kongress:

    Fiber Lasers XVIII: Technology and Systems ; 2021 ; Online Only,California,United States


    Erschienen in:

    Proc. SPIE ; 11665


    Erscheinungsdatum :

    2021-03-05





    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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