Passively Q-switched Nd:YVO4 laser by MoS2 with 164ns pulse width

Feng Zhang, Xin Li, Haikun Zhang, Tao Chen, Cheng Zhou
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引用次数: 3

Abstract

A saturable absorber mirror (SAM) based on few-layer molybdenum disulfide (MoS2) nanosheets is experimentally fabricated and used in the passively Q-switched Nd:YVO4 laser at 1064nm to achieve nanosecond pulse. While absorbed pump power is increased to 1.8W, the minimum pulse duration of 164ns is obtained with maximum average output power of 218.4mW and slope efficiency of 12.6%. The highest single pulse energy and repetition rate of laser are 174.7nJ and 1.25MHz, respectively. Due to better optical performance, it is further deduced that the MoS2 should have a scientific and technological applied potential, especially in optical modulation.
MoS2被动调q Nd:YVO4激光器,脉冲宽度为164ns
实验制备了基于少层二硫化钼(MoS2)纳米片的可饱和吸收反射镜(SAM),并将其应用于1064nm被动调q Nd:YVO4激光器,实现了纳秒级脉冲。当泵浦吸收功率增加到1.8W时,最小脉冲持续时间为164ns,最大平均输出功率为218.4mW,斜率效率为12.6%。激光的最高单脉冲能量为174.7nJ,最高重复频率为1.25MHz。由于其良好的光学性能,进一步推断二硫化钼具有一定的科技应用潜力,特别是在光调制方面。
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