We report on damage-free fiber-guidance of milli-Joule energylevel and 600-femtosecond laser pulses into hypocycloid core-contour Kagome hollow-core photonic crystal fibers. Up to 10 meter-long fibers were used to successfully deliver Yb-laser pulses in robustly single-mode fashion. Different pulse propagation regimes were demonstrated by simply changing the fiber dispersion and gas. Self-compression to ̃50 fs, and intensity-level nearing petawatt/cm2 were achieved. Finally, free focusingoptics laser-micromachining was also demonstrated on different materials.
Multi-meter fiber-delivery and pulse self-compression of milli-Joule femtosecond laser and fiber-aided laser-micromachining / Debord, B.; Alharbi, M.; Vincetti, Luca; Husakou, A.; Fourcade Dutin, C.; Hoenninger, C.; Mottay, E.; Gérôme, F.; Benabid, F.. - In: OPTICS EXPRESS. - ISSN 1094-4087. - ELETTRONICO. - 22:(2014), pp. 10735-10746. [10.1364/OE.22.010735]
Multi-meter fiber-delivery and pulse self-compression of milli-Joule femtosecond laser and fiber-aided laser-micromachining
VINCETTI, Luca;
2014
Abstract
We report on damage-free fiber-guidance of milli-Joule energylevel and 600-femtosecond laser pulses into hypocycloid core-contour Kagome hollow-core photonic crystal fibers. Up to 10 meter-long fibers were used to successfully deliver Yb-laser pulses in robustly single-mode fashion. Different pulse propagation regimes were demonstrated by simply changing the fiber dispersion and gas. Self-compression to ̃50 fs, and intensity-level nearing petawatt/cm2 were achieved. Finally, free focusingoptics laser-micromachining was also demonstrated on different materials.
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