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Doped fibres

Rare-earth fibres power up

Important developments in fibre technology now allow the realization of fibre lasers with reliable and stable single-mode operation at power levels beyond 1 kW.

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Figure 1
Figure 2: Measured slope efficiency and beam quality of an optimized Yb-doped fibre MOPA.
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Correspondence to Bryce Samson.

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Samson, B., Carter, A. & Tankala, K. Rare-earth fibres power up. Nature Photon 5, 466–467 (2011). https://doi.org/10.1038/nphoton.2011.170

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