Stimulated Raman scattering and stimulated Brillouin scattering effects in ytterbium doped double clad fiber laser

被引：2

作者：

Hu, Shuling ^{[1
,2
]}

Zhang, Chunxi ^{[1
]}

Gao, Chunqing ^{[2
]}

Liu, Huilan ^{[1
]}

Ou, Pan ^{[1
]}

Lu, Fuyun ^{[3
]}

机构：

[1] School of Instrumentation Science and Opto-Electronics Engineering, Beijing University of Aeronautics and Astronautics

[2] Opto-Electronics Department, Beijing Institute of Technology

[3] Institute of Physics, Nankai University

来源：

Zhongguo Jiguang/Chinese Journal of Lasers | 2008年 / 35卷 / 01期

关键词：

Fiber laser; Lasers; Stimulated Brillouin scattering; Stimulated Raman scattering; Stimulated Rayleigh scattering;

D O I：

10.3788/CJL20083501.0006

中图分类号：

学科分类号：

摘要：

The double-clad ytterbium-doped fibers are the common gain material of high power fiber lasers. Because of the small core size, it is easy to arouse the stimulated Brillouin scattering and stimulated Raman scattering effects in the fiber resonator. Once the stimulated Brillouin scattering and stimulated Raman scattering are taking place, the high intensity signals become the major noise source and play an important role on the lasers output characters. Experimental study on them is reported in this paper. The results are shown that the pump way, the output mirror reflectivity and stimulated Rayleigh scattering play important roles to them in the fiber laser resonators, especially stimulated Rayleigh scattering. Stimulated Rayleigh scattering provides additional feedback to fiber resonators, not only narrow the laser linewidth, but also make the threshold of stimulated Brillouin scattering decrease rapidly.

引用

页码：6 / 10

页数：4

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