论文信息 - 1.9 mu m Tm-doped silica fibre laser pumped at 1.57 mu m

1.9 mu m Tm-doped silica fibre laser pumped at 1.57 mu m

A 1.9 mu m Tm-doped silica fibre laser pumped at 1.57 mu m is described. The pump source is an Er-doped fibre laser pumped by a 0.98 mu m Ti:sapphire laser. The threshold pump power is 95 mW and the slope efficiency is as high as 71%. A maximum output power of 21 mW was obtained at a launched pump power of 127 mW. The oscillation wavelength can be tuned from 1.84 to 1.90 mu m by changing the length of the Tm-doped fibre. >

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