Hi-tech industrial or biotechnological laser applications request for picosecond pulsed 2-μm laser generating sub-1-J pulses in >kHz repetition range. At HiLASE center the development of the laser system with target to generate 1-J picosecond pulses with 1-kHz repetition rate has started. In this paper, we present a concept of the laser system and demonstrate recent results from the first part of the laser – the holmium fiber oscillator. The holmium fiber front-end is pumped by a continuous wave <1-W thulium fiber laser generating at wavelength of 1950-nm. Mode-locking operation in the oscillator is reached by dispersion management in the laser cavity. In this self-starting configuration we reached 45-mW of average power with repetition rate of 22.5-MHz with pulse energy of 2-nJ.


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    Title :

    High-energy subpicosecond 2 μm fiber laser



    Conference:

    Fiber Lasers and Glass Photonics: Materials through Applications ; 2018 ; Strasbourg,France


    Published in:

    Proc. SPIE ; 10683


    Publication date :

    2018-05-17





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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