High-power mid-infrared femtosecond master oscillator power amplifier Er:ZBLAN fiber laser system

被引：0

作者：

Linpeng Yu ^{[1
]}

Jinhui Liang ^{[1
]}

Qinghui Zeng ^{[1
]}

Jiacheng Wang ^{[1
]}

Xing Luo ^{[1
]}

Jinzhang Wang ^{[1
]}

Peiguang Yan ^{[1
]}

Fanlong Dong ^{[1
]}

Xing Liu ^{[2
]}

Qitao Lü ^{[3
]}

Chunyu Guo ^{[1
]}

Shuangchen Ruan ^{[1
,2
]}

机构：

[1] Shenzhen Key Laboratory of Laser Engineering, Guangdong Provincial Key Laboratory of Micro/Nano Optomechatronics Engineering, Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, State Key Laboratory of Radi

[2] Key Laboratory of Advanced Optical Precision Manufacturing Technology of Guangdong Higher Education Institutes, Shenzhen Technology University

[3] Han's Laser Technology Industry Group Co., Ltd.

来源：

High Power Laser Science and Engineering | 2023年 / 11卷 / 04期

基金：

中国国家自然科学基金; 北京市自然科学基金;

关键词：

D O I：

暂无

中图分类号：

TN722 [放大器]; TN248 [激光器];

学科分类号：

0803 ; 080401 ; 080901 ; 080902 ;

摘要：

High-power femtosecond mid-infrared(MIR) lasers are of vast importance to both fundamental research and applications. We report a high-power femtosecond master oscillator power amplifier laser system consisting of a singlemode Er:ZBLAN fiber mode-locked oscillator and pre-amplifier followed by a large-mode-area Er:ZBLAN fiber main amplifier. The main amplifier is actively cooled and bidirectionally pumped at 976 nm, generating a slope efficiency of 26.9%. Pulses of 8.12 W, 148 fs at 2.8 μm with a repetition rate of 69.65 MHz are achieved. To the best of our knowledge, this is the highest average power ever achieved from a femtosecond MIR laser source. Such a compact ultrafast laser system is promising for a wide range of applications, such as medical surgery and material processing.

引用

页码：89 / 94

页数：6

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