Towards all-fiber structure pulsed mid-infrared laser by gas-filled hollow-core fibers

被引：16
|
作者：
Huang, Wei [1 ]
Cui, Yulong [1 ]
Zhou, Zhiyue [1 ]
Li, Zhixian [1 ]
Chen, Yubin [4 ]
Wang, Zefeng [1 ,2 ,3 ]
机构：
[1] Natl Univ Def Technol, Coll Adv Interdisciplinary Studies, Changsha 410073, Hunan, Peoples R China
[2] State Key Lab Pulsed Power Laser Technol, Changsha 410073, Hunan, Peoples R China
[3] Hunan Prov Key Lab High Energy Laser Technol, Changsha 410073, Hunan, Peoples R China
[4] Luoyang Elect Equipment Test Ctr China, Key Lab Electroopt Countermeasures Test & Evaluat, Luoyang 471003, Peoples R China
来源：
CHINESE OPTICS LETTERS | 2019年 / 17卷 / 09期
基金：
中国国家自然科学基金;
关键词：
POWER; EMISSION;
D O I：
10.3788/COL201917.091402
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We report here on a diode-pumped pulsed mid-infrared laser source based on gas-filled hollow-core fibers (HCFs) towards an all-fiber structure by the tapering method. The pump laser is coupled into an acetylene-filled HCF through a tapered single-mode fiber. By precisely tuning the wavelength of the diode to match different absorption lines of acetylene near 1.5 mu m, mid-infrared emission around 3.1-3.2 mu m is generated. With 2 m HCFs and 3 mbar acetylene gas, a maximum average power of 130 mW is obtained with a laser slope efficiency of similar to 24%. This work provides a potential scheme for all-fiber mid-infrared fiber gas lasers.
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页数：4
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