Journal
OPTICS EXPRESS
Volume 22, Issue 9, Pages 10735-10746Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.22.010735
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Funding
- Agence Nationale de la Recherche (ANR)
- Sigma_LIM Labex Chaire
- Astrid UV-Factor
- la region Limousin
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We report on damage-free fiber-guidance of milli-Joule energy-level 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 similar to 50 fs, and intensity-level nearing petawatt/cm(2) were achieved. Finally, free focusing-optics laser-micromachining was also demonstrated on different materials. (C) 2014 Optical Society of America
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