Explanation of Stimulated Raman Scattering in high power fiber systems

被引：7
作者：
Bock, Victor [1 ,2 ]
Liem, Andreas [1 ]
Schreiber, Thomas [1 ]
Eberhardt, Ramona [1 ]
Tuennermann, Andreas [1 ,2 ]
机构：
[1] Fraunhofer Inst Appl Opt & Precis Engn, Albert Einstein Str 7, D-07745 Jena, Germany
[2] Friedrich Schiller Univ Jena, Inst Appl Phys, Albert Einstein Str 15, D-07745 Jena, Germany
来源：
FIBER LASERS XV: TECHNOLOGY AND SYSTEMS | 2018年 / 10512卷
关键词：
Fiber laser; Stimulated Raman scattering; high power fiber laser; nonlinear effects; fiber oscillator; fiber Bragg gratings; Amplified spontaneous emission source; LASER;
D O I：
10.1117/12.2287770
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：
We present investigations on the seed source dependence of stimulated Raman scattering (SRS) created in a high power fiber amplifier. It is shown that fiber oscillators are much worse in terms of SRS than other seed sources. The longitudinal mode composition was found to be of less importance. We reinforce the experimental observations by a numerical investigation, which shows that temporal power variations on the ps-scale and their propagation along the fiber are crucial for the SRS creation in high-power fiber systems, extending the well-known but simplified SRS threshold description.
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页数：7
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