Self-increased acceptance bandwidth of second harmonic generation for high-energy light sources

Katarzyna Krupa, R Fona,Andrea M Tonello,Alexis Labruyere,Badr M Shalaby,S Wabnitz,Vincent Couderc

2015 Spatiotemporal Complexity in Nonlinear Optics (SCNO)（2015）

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Abstract

We report a series of experimental results showing that the acceptance bandwidth of second harmonic generation in quadratic crystals may substantially broaden when using pumps at high intensities. We highlight the co-existence of second harmonic generation and strong unconventional spatial beam reshaping. Our experimental results are in good agreement with our numerical simulations.

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Key words

nonlinear optics, parametric processes, harmonicgeneration and mixing, nonlinear optical materials

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