3.96 kW All-Fiberized Linearly Polarized and Narrow Linewidth Fiber Laser with Near-Diffraction-Limited Beam Quality

被引：15
|
作者：
Ren, Shuai [1 ]
Ma, Pengfei [1 ]
Li, Wei [1 ]
Wang, Guangjian [1 ]
Chen, Yisha [1 ]
Song, Jiaxin [1 ]
Liu, Wei [1 ]
Zhou, Pu [1 ]
机构：
[1] Natl Univ Def Technol, Coll Adv Interdisciplinary Studies, Changsha 410073, Peoples R China
来源：
NANOMATERIALS | 2022年 / 12卷 / 15期
基金：
中国国家自然科学基金;
关键词：
high power; linearly polarized; narrow linewidth; fiber laser; STIMULATED BRILLOUIN-SCATTERING; AMPLIFIER; COMBINATION; KILOWATT; RAMAN; SUPPRESSION;
D O I：
10.3390/nano12152541
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
In this paper, we realize a 3.96 kW all-fiberized and polarization-maintained (PM) amplifier with narrow linewidth and near-diffraction-limited beam quality. Based on a master oscillator power amplifier (MOPA) configuration seeded with phase-modulated single-frequency laser, a 3.96 kW signal laser is achieved with a 3 dB linewidth of 0.62 nm at the pump power of 5.02 kW. At the maximum output power, the polarization extinction ratio (PER) is similar to 13.9 dB, and the beam quality (M-2 factor) is M-x(2) = 1.31, M-y(2) = 1.41. As far as we know, this is the maximum output power of PM narrow linewidth fiber laser with near-diffraction-limited beam quality and all-fiber format.
引用
收藏
页数：8
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