材料科学
光纤布拉格光栅
光纤激光器
光学
铥
激光器
脉冲持续时间
色散位移光纤
光电子学
波长
纤维
兴奋剂
光纤传感器
物理
复合材料
作者
Moritz Bartnick,Gayathri Bharathan,Thorsten A. Goebel,Ria G. Krämer,Stefan Nolte,Camille‐Sophie Brès
出处
期刊:Optics Letters
[The Optical Society]
日期:2022-04-13
卷期号:47 (8): 2085-2085
被引量:6
摘要
We report the development of a widely tunable mode-locked thulium-doped fiber laser based on a robust chirped fiber Bragg grating (CFBG). By applying mechanical tension and compression to the CFBG, an overall tunability of 20.1 nm, spanning from 2022.1 nm to 2042.2 nm, was achieved. The observed mode-locked pulse train from this fiber laser has a repetition rate of 9.4 MHz with an average power of 12.6 dBm and a pulse duration between 9.0 ps and 12.8 ps, depending on the central wavelength. To the best of our knowledge, this is the first demonstration of a tunable mode-locked thulium-doped fiber laser operating beyond 2 µm using a CFBG as a wavelength-selective element.
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