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
收藏
页码：89 / 94
页数：6
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