首页|Mid-infrared SESAM mode-locked Er:CaF2-SrF2 bulk laser at 2.73 μm
Mid-infrared SESAM mode-locked Er:CaF2-SrF2 bulk laser at 2.73 μm
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To the best of our knowledge,this is the first time that a mid-infrared Er3+:CaF2-SrF2 laser has achieved continuous-wave mode-locked operation by a semiconductor saturable absorber mirror.The laser emits a maximum output power of 93 mW at 2.73 μm with a repetition rate of approximately 69 MHz and demonstrates a high signal-to-noise ratio of around 71 dB.In addition,a MgF2 birefringent plate was utilized to enable wavelength tuning of the Er3+:CaF2-SrF2 laser,resulting in operation at approximately 2.73 μm,2.75 μm,2.79 μm,and 2.81 μm.These results demonstrate that Er3+:CaF2-SrF2 is a promising alternative for the generation of efficient diode-pumped mode-locked lasers around 2.8 μm.
Shandong Provincial Engineering and Technical Center of Light Manipulations and Shandong Provincial Key Laboratory of Optics and Photonic Device,School of Physics and Electronics,Shandong Normal University,Jinan 250358,China
CAS Key Laboratory of Transparent and Opto-Functional Inorganic Materials,Synthetic Single Crystal Research Center,Shanghai Institute of Ceramics,Chinese Academy of Sciences,Shanghai 201899,China
State Key Laboratory of High Performance Ceramics and Superfine Microstructure,Shanghai Institute of Ceramics,Chinese Academy of Sciences,Shanghai 201899,China
National Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaNatural Science Foundation of Shandong ProvinceNatural Science Foundation of Shandong ProvinceChina Postdoctoral Science Foundation
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