激光线宽
材料科学
光纤布拉格光栅
光学
光纤激光器
激光器
光电子学
波长
物理
作者
Junjie Sun,Zefeng Wang,Meng Wang,Zhiyue Zhou,Ni Tang,Jinbao Chen,Xijia Gu
出处
期刊:Applied Optics
[The Optical Society]
日期:2017-11-08
卷期号:56 (32): 9114-9114
被引量:11
摘要
A watt-level tunable 1.5 μm narrow linewidth fiber ring laser using a temperature tuning π-phase-shifted fiber Bragg grating (π-PSFBG) is demonstrated here, to the best of our knowledge, for the first time. The π-PSFBG is employed as both a narrow band filter and a wavelength tuning component, and its central wavelength is thermally tuned by a thermo-electric cooler. The maximum laser power is about 1.1 W with a linewidth of ∼318 MHz (∼2.57 pm) and a power fluctuation of less than 3%. The wavelength tuning range of the laser is about 1.29 nm with a sensitivity of ∼14.33 pm/°C, and the wavelength fluctuation is about 0.2 pm. This work provides important reference for tunable fiber lasers with both high power and narrow linewidth.
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