Choudhary Amol, Beecher Stephen J, Dhingra Shonali, D'Urso Brian, Parsonage Tina L, Grant-Jacob James A, Hua Ping, Mackenzie Jacob I, Eason Robert W, Shepherd David P
Opt Lett. 2015 May 1;40(9):1912-5. doi: 10.1364/OL.40.001912.
In this Letter, we present a passively Q-switched Yb:Y2O3 waveguide laser using evanescent-field interaction with an atmospheric-pressure-chemical-vapor-deposited graphene saturable absorber. The waveguide, pumped by a broad area diode laser, produced an average output power of 456 mW at an absorbed power of 4.1 W. The corresponding pulse energy and peak power were 330 nJ and 2 W, respectively. No graphene damage was observed, demonstrating the suitability of top-deposited graphene for high-power operation.
在本信函中，我们展示了一种被动调Q的Yb:Y2O3波导激光器，它利用倏逝场与大气压化学气相沉积石墨烯可饱和吸收体相互作用。该波导由宽面二极管激光器泵浦，在吸收功率为4.1 W时产生了456 mW的平均输出功率。相应的脉冲能量和峰值功率分别为330 nJ和2 W。未观察到石墨烯损坏，这证明了顶部沉积石墨烯适用于高功率运行。
