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Efficient operation of an Yb-sensitised Er fibre laser pumped in 0.8 μm region

Efficient operation of an Yb-sensitised Er fibre laser pumped in 0.8 μm region

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The dependence of threshold and slope efficiency on pump wavelength around 0.8 μm has been investigated for an Yb-sensitised fibre laser. Results confirm a wider choice of pump wavelength compared with unsensitised Er fibre. A 5 mW threshold and slope efficiency of 8.5% were observed for 820–830 nm pumping.

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http://iet.metastore.ingenta.com/content/journals/10.1049/el_19880724
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