Ytterbium-doped large-core fiber laser with 1.36 kW continuous-wave output power
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Abstract
We have demonstrated a highly-efficient cladding-pumped ytterbium-doped fiber laser generating 1.36 kW of continuous-wave output power at 1.1 mum with 83% slope efficiency and near diffraction-limited beam quality. The laser was end-pumped through both fiber ends and showed no evidence of roll-over even at the highest output power, which was limited only by available pump power.
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Topics
Keywords
- Optics
- Fiber laser
- Materials science
- Slope efficiency
- Laser beam quality
- Ytterbium
- Laser
- Cladding (metalworking)
UN Sustainable Development Goals
- Affordable and clean energy
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