波长约为1.61μm的高效二极管泵浦铒：钆钨酸钾激光
Efficient diode-pumped Er:KLu(WO) laser at ∼1.61 μm.
作者信息
Serres Josep Maria, Loiko Pavel, Jambunathan Venkatesan, Mateos Xavier, Vitkin Vladimir, Lucianetti Antonio, Mocek Tomas, Aguiló Magdalena, Díaz Francesc, Griebner Uwe, Petrov Valentin
出版信息
Opt Lett. 2018 Jan 15;43(2):218-221. doi: 10.1364/OL.43.000218.
We report on an efficient diode-pumped continuous-wave erbium-doped monoclinic double tungstate laser. It is based on a 1 at. % Er:KLu(WO) (Er:KLuW) crystal cut along the N optical indicatrix axis. The Er:KLuW microchip laser, diode pumped at 0.98 μm, generates 268 mW at 1.610 μm with a slope efficiency of 30%. The output is linearly polarized (E||N), and the laser beam is nearly diffraction limited (Mp,m2<1.1). Spectroscopic properties of Er in KLuW are also presented. The stimulated-emission cross-section σ is 0.46×10 cm at ∼1.609 μm for E||N. The microchip Er:KLuW laser outperforms the commercial Er,Yb:glass.
我们报道了一种高效的二极管泵浦连续波掺铒单斜双钨酸盐激光器。它基于沿N光轴切割的1原子%铒：KLu(WO)（铒：KLuW）晶体。该铒：KLuW微芯片激光器由0.98μm的二极管泵浦，在1.610μm处产生268mW的功率，斜率效率为30%。输出为线偏振（E||N），激光束接近衍射极限（Mp，m2<1.1）。还介绍了铒在KLuW中的光谱特性。对于E||N，在约1.609μm处的受激发射截面σ为0.46×10 cm。微芯片铒：KLuW激光器性能优于商用铒镱玻璃。
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