科研之友
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摘要
Continuous wave laser emission at 2.1 mu m from a Yb3+/Tm3+/Ho3+ triply-doped tellurite fibre laser is reported. The fibre was pumped at 1.1 mu m by a Yb3+-doped double-clad silica fibre laser. For a 17 cm fibre length and 99%-60% reflectance cavity, the threshold was 15 mW and the slope efficiency was 25%. A maximum output of 60 mW was observed for a launched pump power of 270 mW, corresponding to 22% optical-to-optical efficiency.
- 出版日期2008-7-7
