Fiber laser source of 8 W at 3.1 μm based on acetylene-filled hollow-core silica fibers

被引：13
|
作者：
Huang, Wei [1 ,2 ]
Wang, Zefeng [1 ,2 ,3 ]
Zhou, Zhiyue [1 ,2 ]
Cui, Yulong [1 ,2 ]
Li, Hao [1 ,2 ]
Pei, Wenxi [1 ,3 ]
Wang, Meng [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 LETTERS | 2022年 / 47卷 / 09期
基金：
中国国家自然科学基金;
关键词：
MIDINFRARED EMISSION;
D O I：
10.1364/OL.457265
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We report here the characteristics of a nanosecond high-power mid-infrared (mid-IR) light source based on an anti-resonant hollow-core fiber (AR-HCF) filled with acetylene gas. It is a single-pass configuration with 93-m HCFs, pumped by a modulated and amplified diode laser. A maximum average power of approximately 8 W (pulse energy of similar to 0.8 mu J and peak power of similar to 40 W) at 3.1 pm is achieved with a laser slope efficiency of similar to 22.8% at 6 mbar of acetylene, which is, to the best of our knowledge, a record output power for such mid-IR HCF lasers. This work demonstrates the great potential of fiber gas lasers for high-power output in the mid IR. (C) 2022 Optica Publishing Group
引用
收藏
页码：2354 / 2357
页数：4
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