报道了以拉锥光纤上的石墨烯作为可饱和吸收体的2 μm被动调Q锁模掺铥光纤激光器，采用环形腔结构，研究了腔内脉冲随着抽运功率增加的......

为进一步提高掺铥双包层光纤（DCF）激光器的输出功率，从提高DCF对泵浦光的吸收效率出发，数值模拟了具有不同纤芯直径和内包层形状的DCF......

　　The high power infrared 2μm lasers have been extensively investigated for a number of commercial,scientific and eng......

　　We demonstrated stable pulses generation at 2μm in a passively mode-locked thulium-doped fiber laser using a self-m......