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    Open Access

    Spatial Beam Self-Cleaning in Second-Harmonic Generation

    We experimentally demonstrate the spatial self-cleaning of a highly multimode optical beam, in the process of second-harmonic generation in a quadratic nonlinear potassium titanyl phosphate crystal. As the bea...

    K. Krupa, R. Fona, A. Tonello, A. Labruyère, B. M. Shalaby… in Scientific Reports (2020)

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