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

页数：5

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