4.5 W mid-infrared light source based on acetylene-filled hollow-core fibers

被引：8
|
作者：
Huang, Wei [1 ,2 ]
Zhou, Zhiyue [1 ,2 ]
Cui, Yulong [1 ,2 ]
Li, Hao [1 ,2 ]
Pei, Wenxi [1 ,3 ]
Wang, Meng [1 ,2 ,3 ]
Wang, Zefeng [1 ,2 ,3 ]
Chen, Jinbao [1 ,2 ,3 ]
机构：
[1] Natl Univ Def Technol, Coll Adv Interdisciplinary Studies, Changsha 410073, Peoples R China
[2] State Key Lab Pulsed Power Laser Technol, Changsha 410073, Peoples R China
[3] Hunan Prov Key Lab High Energy Laser Technol, Changsha 410073, Peoples R China
来源：
OPTICS AND LASER TECHNOLOGY | 2022年 / 151卷
基金：
中国国家自然科学基金;
关键词：
Mid-infrared; Hollow core fiber; Fiber lasers; Gas lasers; LASER; EMISSION;
D O I：
10.1016/j.optlastec.2022.108090
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We report here the characteristics of a continuous wave (CW) high-power mid-infrared (mid-IR) light source based on acetylene-filled anti-resonant hollow-core fiber (HCF). It is a single-pass configuration with 8 m HCFs, pumped by a high power erbium-doped fiber amplifier (EDFA). At the optimal gradient gas pressure of 3 mbar, a maximum power of 4.5 W at 3.1 mu m is achieved, and the power conversion efficiency is - 20% with respect to the absorbed pump power. It is, to the best of our knowledge, the highest output power for such mid-IR HCF lasers. This work demonstrate the great potential of fiber gas lasers for high-power output in the mid-IR.
引用
收藏
页数：4
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