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Passively Q-switched single-frequency 2μm laser used graphene as saturable absorber

机译:被动Q开关单频2μm激光器使用石墨烯作为可饱和吸收器

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A graphene passively Q-switched single frequency Ho∶YAG laser was demonstrated. Ho∶YAG crystal was resonantly pumped by a 1908 nm diode laser. Twisted-mode single frequency technique was applied to realize single frequency oscillation. The maximum single frequency laser output was 358 mW. Single frequency pulse laser output was achieved by inserting a graphene into the single frequency Ho∶YAG laser. The maximum average power of 149 mW was obtained with the pulse repetition rate of 40.45 kHz under 8.32 W of incident pump power.
机译:图解了石墨烯被动Q开关单频率HO:混蛋激光。 HO:混晶由1908nm二极管激光谐振。扭转模式单频技术应用于实现单频振荡。最大单频激光输出为358兆瓦。通过将石墨烯插入单频Ho:混合物激光器来实现单频脉冲激光输出。获得了149兆瓦的最大平均功率,以40.45kHz下的入射泵功率下降40.45 kHz的脉冲重复率。

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