Theoretical analysis of SBS suppression in fiber amplifier with multi-point pump

被引：0

作者：

Zhao, Haichuan ^{[1
]}

Tao, Mengmeng ^{[1
]}

Zhu, Yongxiang ^{[1
]}

Wang, Zhenbao ^{[1
]}

Yang, Pengling ^{[1
]}

Yan, Yan ^{[1
]}

Wu, Yong ^{[1
]}

Ye, Xisheng ^{[1
,2
]}

机构：

[1] Northwest Inst Nucl Technol, State Key Lab Laser Interact Matter, Xian 710024, Peoples R China

[2] Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Res Ctr Space Laser Informat Technol, Shanghai 201800, Peoples R China

来源：

THIRD INTERNATIONAL SYMPOSIUM ON LASER INTERACTION WITH MATTER | 2015年 / 9543卷

关键词：

Fiber Amplifier; Stimulated Brillouin Sca ttering suppression; Multi-point pump; HIGH-POWER;

D O I：

10.1117/12.2181831

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The output power of a narrow line-width laser is usually limited by the Stimulated Brillouin Scattering effect. In Master Oscillator Power Amplifier structures, multi-point pump could rearrange the gain distribution along the fiber, leading to the suppression of the Stimulated Brillouin Scattering effect with maintained amplification efficiency. A theoretical model concerning 100W-level fiber amplifiers is proposed. Stimulation is performed to analyze the amplification process of the laser signal and Stimulated Brillouin Scattering. The results demonstrate that the power of scattering light decreases from 3.2W to 6.8mW (with two-point pump) indicating the effectiveness of this new technology in Stimulated Brillouin Scattering suppression

引用

页数：6

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