We report power-scaling of an ytterbium-sensitized thulium-doped silica fiber laser generating up to 75 W of output power in the 2 μm wavelength range when cladding-pumped by a 975 nm diode stack. The slope efficiency is 32% with respect to launched pump power and the beam quality factor (M2) is 1.3. We also investigate the characteristics of this fiber in a tunable laser configuration, operating at ~10 W of output power with the tuning range extended from 2000 to 2080 nm at a launched pump power of 40 W.


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    Title :

    Thulium-ytterbium co-doped fiber laser with 75 W of output power at 2 μm


    Contributors:

    Conference:

    Solid State Laser Technologies and Femtosecond Phenomena ; 2004 ; London,United Kingdom


    Published in:

    Publication date :

    2004-12-23





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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