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http://optics.org/articles/news/10/12/15/1



Fiber lasers enter kilowatt regime

22 December 2004



A single strand fiber laser emits more than 1kW of continuous wave power.



Researchers from the University of Southampton, UK, claim to have developed the most powerful fiber laser, based on a single strand of fiber, to date. Their cladding-pumped ytterbium-doped design emits 1.36 kW of continuous-wave output at 1100 nm. It also boasts a slope efficiency of 83% and near diffraction-limited beam quality. (Optics Express 12 6088).