All-fiber wavelength-widely tunable multi-pulse gain-switched Tm3+-doped double-clad fiber laser

被引：1
|
作者：
Zhang, Huiru
Wu, Duanduan [1 ]
Wang, Rongping
Dai, Shixun
机构：
[1] Ningbo Univ, Res Inst Adv Technol, Lab Infrared Mat & Devices, Ningbo 315211, Peoples R China
来源：
OPTICS AND LASER TECHNOLOGY | 2022年 / 148卷
基金：
中国国家自然科学基金;
关键词：
Gain switching; Tm3+-doped double-clad fiber laser; Wavelength-tunable; Multi-pulse; PULSE GENERATION;
D O I：
10.1016/j.optlastec.2021.107710
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We report a wavelength-widely tunable multi-pulse gain-switched Tm3+-doped fiber laser. The laser has a continuous wavelength-tunable range of 105 nm in 2 mu m band. The combination of Tm3+-doped double clad fiber and 793 nm pulsed pump source achieves large-energy pulse and multi-pulse operation. The single-pulse energy can reach 4.3 mu J and the multi-pulse energy can be 13.2 mu J. The effects of pump pulse energy, pulse repetition rate and pulse duration on multi-pulse generation are studied in detail. This easy-to-operate large energy 2 mu m pulsed fiber laser with adjustable pulse duration and repetition rate can provide a stable single-pulse or multi-pulse source in spectroscopy, medical surgery, material processing, etc.
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页数：6
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