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Orbital angular momentum beams generation from 61 channels coherent beam combining femtosecond digital laser

Matthieu Veinhard, Séverine Bellanger, Louis Daniault

    Optics Letters
    |December 28, 2020
    PubMed

    Abstract:

    We report on the use of a 61 beamlets coherent beam combination femtosecond fiber amplifiers as a digital laser source to generate high-power orbital angular momentum beams. Such an approach opens the path for higher-order non-symmetrical user-defined far field distributions.

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