【摘要】 采用液相剥离方法成功制备了黑磷可饱和吸收体,在Nd:YVO₄激光器中实现了连续锁模运转.在中心波长为1064.13nm处,获得脉冲宽度为5.7ps、重复频率为91.5MHz的锁模脉冲.在2.5 W的吸收泵浦功率下,激光器输出功率为300mW,相应斜效率14%.锁模激光单脉冲能量为3.28nJ,峰值功率为525 W.更多还原

【Abstract】 A black phosphorous（BP）saturable absorber（SA）was fabricated by liquid phase exfoliation and employed to achieve passively mode-locked Nd:YVO₄ laser.Stable continuous wave modelocked laser at 1 064.13 nm was realized with a pulse repetition rate of 91.5 MHz and a pulse width of 5.7 ps.A maximum output power of 300 mW was obtained under the absorbed pump power of 2.5 W,corresponding to the slope efficiency is 14%.The single pulse energy and peak power were calculated to be 3.28 nJ and 525 W,respectively.更多还原