Passively Q-switched Yb3+-doped Fiber Laser Based on Microfiber-single Wall Carbon Nanotube Saturable Absorber

被引：0

作者：

Kang Z. ^{[1
]}

Liu M.-Y. ^{[2
]}

Liu C.-Z. ^{[1
]}

Li Z.-W. ^{[1
]}

Ma L. ^{[1
]}

Xu Y. ^{[2
]}

Qin W.-P. ^{[2
]}

Qin G.-S. ^{[2
]}

机构：

[1] Changchun Observatory, National Astronomical Observatories, Chinese Academy of Sciences, Changchun

[2] State Key Laboratory on Integrated Opto-electronics, Jilin University, Changchun

来源：

Faguang Xuebao/Chinese Journal of Luminescence | 2017年 / 38卷 / 05期

基金：

中国国家自然科学基金;

关键词：

Carbon nanotube; Fiber lasers; Lasers; Microfiber; Passively Q-switched;

D O I：

10.3788/fgxb20173805.0630

中图分类号：

学科分类号：

摘要：

In order to realize Q-switched fiber laser with high energy pulse, passively Q-switched Yb3+-doped fiber laser based on the microfiber-single wall carbon nanotube (SWCNT) saturable absorber (SA) was reported. The microfiber was fabricated by drawing the single mode silica fiber and then composite with the SWCNT solution, further on preparation of all fiber integrated devices. By inserting the SA in a Yb3+-doped fiber laser ring cavity pumped by a 976 nm laser diode, stable passively Q-switched pulse train occurs at 53 mW incident pump power. Increasing the pump power to 76 mW, 3.1 μs pulses at 1 039 nm with a repetition rate of 25.5 kHz are obtained, which corresponds to single pulse energy of 941 nJ. This result shows that the microfiber based SA can enhance the threshold of material damage and obtain high energy pulse laser. © 2017, Science Press. All right reserved.

引用

页码：630 / 635

页数：5

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