论文信息 - High power photonic crystal fibre laser with very high NA pump cladding

High power photonic crystal fibre laser with very high NA pump cladding

4 W of laser power at 1040 nm has been achieved for the first time from an Yb-doped double clad PCF. The inner cladding of this fibre has the highest NA yet reported of 0.7-0.8.

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