High-Power Yb-Doped and All Fiber-Based Nanosecond MOPA Laser

被引：6
|
作者：
Cai, Yiming [1 ]
Zhu, Qixin [1 ]
Shi, Jianhong [1 ]
Li, Cheng [1 ]
Yan, Dapeng [1 ]
Li, Jinyan [1 ]
Xing, Yingbin [1 ]
机构：
[1] Huazhong Univ Sci & Technol, Wuhan 430074, Peoples R China
来源：
IEEE PHOTONICS JOURNAL | 2022年 / 14卷 / 03期
基金：
中国国家自然科学基金;
关键词：
Optical fiber amplifiers; Optical fibers; Fiber lasers; Optical fiber couplers; Power lasers; Optical fiber devices; Pump lasers; high power lasers; nanosecond fiber laser; high power amplifiers; 1064 nm fiber lasers; Yb-doped lasers; HIGH-PEAK-POWER; MODE DISTORTION; HIGH-ENERGY; SYSTEM;
D O I：
10.1109/JPHOT.2022.3173672
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 report the results obtained by using a newly designed 300-mu m-core-diameter Yb-doped fiber with a large cladding absorption of 23 dB/m at 976 nm. An average power of 512 W, a maximum pulse energy of 51.2 mJ laser is realized using the 300-mu m-core Yb-doped fiber in the main amplifier with a slope efficiency of 72%. The entire laser system adopts an all-fiber construction with pulse control system. These results extend average power and peak power of nanosecond all fiber-based laser, exceeding to the 500 W and 1 MW regime simultaneously for the first time to the best of our knowledge.
引用
收藏
页数：5
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