A 621 W linearly polarized, near-diffraction-limited MOPA seeded by random fiber laser

被引：0
作者：
Huang, Long [1 ,2 ]
Xu, Jiangming [1 ,2 ]
Ye, Jun [1 ,2 ]
Liu, Xiaodong [1 ,2 ]
Zhang, Hanwei [1 ,2 ]
Wang, Xiaolin [1 ,2 ]
Zhou, Pu [1 ,2 ]
机构：
[1] Natl Univ Def Technol, Coll Optoelect Sci & Engn, Changsha 410073, Hunan, Peoples R China
[2] Hunan Prov Collaborat Innovat Ctr High Power Fibe, Changsha 410073, Hunan, Peoples R China
来源：
2017 CONFERENCE ON LASERS AND ELECTRO-OPTICS PACIFIC RIM (CLEO-PR) | 2017年
基金：
中国国家自然科学基金;
关键词：
high power; random fiber laser; linearly polarized; near-diffraction-limited; Yb-doped fiber; NARROW-LINEWIDTH; POWER; TRANSMISSION; GENERATION;
D O I：
暂无
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 demonstrate a high-power linearly polarized random fiber laser (RFL) based on master oscillator power amplifier (MOPA) configuration. The maximum output power of 621 W is obtained with conversion efficiency of 73.6 %. Near-diffraction-limited beam quality and high polarization degree of 93.9 % are obtained at the maximum output power. To the best of our knowledge, this is the highest output power of linearly polarized RFL for the time being, which proves the feasibility of high-power linearly polarized RFL. Further power scaling is limited by the mode instability (MI) at present, and will be realized if effective MI-mitigation strategies are introduced in the future work.
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页数：4
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