Narrow bandwidth double-clad fiber lasers pumped by LD

作者:Fan Ya Xian*; Hu Shu Ling; Dai Wu Tao; Wang Hong Jie; Lu Fu Yun; Lu Ke Cheng; Tang Yu Mei; Jin Jie
来源:Journal of Optoelectronics - Laser, 2002, 13(4): 329-331.

摘要

A narrow bandwidth double-clad fiber (DCF) laser is reported. The numerical analysis includes dependence of output power on output mirror reflectivity, fiber length and pump power. In our experiment, a fiber Bragg grating (FBG) was used as the input mirror of the cavity. The Yb3+ doped DCF was pumped by a laser diode emitting at 975.8 nm. The narrow bandwidth of 0.16 nm single mode laser was obtained. It produced an output power of 421 mW at 1086.9 nm with absorbed pump power of 684 mW. The slope efficiency was 78.2%.

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