We report on a 2.3 m long air-clad ytterbium-doped large-mode-area photonic crystal fiber laser generating up to 80 W output power with a slope efficiency of 78%. Single transverse mode operation is achieved with a mode-field area of 350 /spl mu/m/sup 2/. No thermo-optical limitations are observed at the extracted /spl sim/35 W/m, therefore such fibers allow scaling to even higher powers.
High-power air-clad large-mode-area photonic crystal fiber laser
2003-01-01
194100 byte
Conference paper
Electronic Resource
English
Dual-Clad Photonic-Crystal-Fiber Based Scanning Microscopy
British Library Conference Proceedings | 2005
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