【摘 要】
：
We report a continuous-wave Er:ZBLAN fiber laser with the operation wavelength reaching 3.68 μm.The midinfrared Er:ZBLAN fiber laser is pumped with the dual-wa
【机 构】
：
Key Laboratory for Laser Plasmas (Ministry of Education),Collaborative Innovation Center of IFSA (CI
【出 处】
：
Chinese Optics Letters
论文部分内容阅读
We report a continuous-wave Er:ZBLAN fiber laser with the operation wavelength reaching 3.68 μm.The midinfrared Er:ZBLAN fiber laser is pumped with the dual-wavelength sources consisting of a commercial laser diode at 970 nm and a homemade Tm-doped fiber laser at 1973 nm.By increasing the launched pump power at1973 nm,the laser wavelength can be switched from 3.52 to 3.68 μm.The maximum output power of 0.85 W is obtained with a slope efficiency of 25.14% with respect to the 1973 nm pump power.In the experiment,the laser emission at 3.68 μm is obtained with a significant power of 0.62 W,which is the longest emission wavelength in free-running Er:ZBLAN fiber lasers.
We report a continuous-wave Er: ZBLAN fiber laser with the operation wavelength reaching 3.68 μm. The midinfrared Er: ZBLAN fiber laser is pumped with the dual-wavelength sources consisting of a commercial laser diode at 970 nm and a homemade Tm-doped fiber laser at 1973 nm. By increasing the launched pump power at 1973 nm, the laser wavelength can be switched from 3.52 to 3.68 μm. The maximum output power of 0.85 W is obtained with a slope efficiency of 25.14% with respect to the 1973 nm pump power .In the experiment, the laser emission at 3.68 μm was obtained with a significant power of 0.62 W, which is the longest emission wavelength in free-running Er: ZBLAN fiber lasers.
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