By combining the thermally-induced spectral broadening of Er3+/Yb3+co-doped crystal and the high ratio of cavity gain to loss,a high-power broadband continuously tunable 1.5-1.6 μm laser was successfully demonstrated in an Er:Yb∶YAl3[BO3]4 crystal.End-pumped by a continuous-wave 975.6 nm laser diode,three discrete tunable laser bands at 1483-1488,1495-1503,and 1521-1612 nm were realized at an incident pump power of 7.7 W.The maximum continuously tunable bandwidth was 91 nm at 1521-1612 nm,and the maximum output power was 474 mW at 1551 nm.The output power was generally higher than 100 mW in the whole tunable range.
1.5-1.6 μm solid state laserbroadband tuningEr/Yb∶YAl3[BO3]4 crystal
陈雨金、林炎富、黄建华、龚兴红、黄艺东
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Key Laboratory of Optoelectronic Materials Chemistry and Physics,Fujian Institute of Research on the Structure of Matter,Chinese Academy of Sciences,Fuzhou 350002,China
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