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Article Dans Une Revue Optics Letters Année : 2013

75 W 40% efficiency single-mode all-fiber erbium-doped laser cladding pumped at 976 nm

Résumé

Optimization of Yb-free Er-doped fiber for lasers and amplifiers cladding pumped at 976 nm was performed in this Letter. The single-mode fiber design includes an increased core diameter of 34 μm and properly chosen erbium and co-dopant concentrations. We demonstrate an all-fiber high power laser and power amplifier based on this fiber with the record slope efficiency of 40%. To the best of our knowledge, the achieved output power of 75 W is the highest power reported for such lasers.
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Dates et versions

hal-00925268 , version 1 (07-01-2014)

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V. L. Kotov, M.E. Likhachev, Mikhail M. Bubnov, O. I. Medvedkov, M.V. Yashkov, et al.. 75 W 40% efficiency single-mode all-fiber erbium-doped laser cladding pumped at 976 nm. Optics Letters, 2013, pp.2230. ⟨10.1364/OL.38.002230⟩. ⟨hal-00925268⟩
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