通过LD端面泵浦Nd∶YVO4晶体,以半导体可饱和吸收镜(SESAM)作为被动锁模器件,利用ABCD传输矩阵法和MATLAB软件设计具有良好热稳定性和超大稳区的X-型五镜折叠谐振腔,实现了高效率和高功率的连续稳定锁模运转.在泵浦功率30 W时得到1 064nm波长最大9W的稳定锁模输出,脉冲重复频率为108.28MHz,脉宽为9.53ps,对应最大单脉冲能量84.04nJ,激光器的斜效率达到31.7％.以此为种子源放大可直接获得百瓦级高功率锁模激光输出.%High-Power and high efficiency diode end-pumped passively solid-state mode locked Nd:YVO4 laser with excellent thermal stability and super huge stable region has been demonstrated by using a semiconductor saturable absorber mirror (SESAM).The X-type laser resonator is designedby using the ABCD transmission matrix theory and is simulated by MATLAB software.A 9.1 W stable modelocked laser output with repetition rate of 108.28 MHz and pulse duration of 9.53 ps are obtained when the pump power reached 30 W.The corresponding single pulse energy is 84.04 nJ, The optical conversion efficiency and slope efficiency of the laser maser is 30.3％and 31.7％, respectively.and it could be used as a seed laser for a larger oscillator to acquire energy of the order of hundreds wattlaser output.
展开▼
