基于Cr4+∶YAG可饱和吸收体的高效Nd∶YVO4被动调Q激光器
High Efficiency Passively Q-Switched Nd∶YVO4 Laser Based on Cr4+:YAG Saturable Absorber
王剑磊 1董红阳 1蔡令波 1昌小涵 1孟宪凤 1王春1
作者信息
- 1. 山东大学光学高等研究中心,山东青岛 266237
- 折叠
摘要
设计一种紧凑的V型谐振腔结构,以Cr4+∶YAG晶体作为可饱和吸收体研究808 nm激光二极管泵浦的1 064 nm Nd∶YVO4被动调Q激光器且获得了稳定的调Q脉冲输出.当泵浦功率为19 W时,最大连续输出功率为8.35 W,相应的光-光转换效率为44％,斜效率为56.4％.插入Cr4+∶YAG晶体后,在泵浦功率为19 W时,得到平均功率4 W、脉宽为24.3 ns、重复频率39.6 kHz、单脉冲能量为101 μJ、最大峰值功率为4.15 kW的脉冲输出.
Abstract
A compact V-shaped resonator structure was designed,and the 1 064 nm passively Q-switched Nd∶YVO4 laser pumped by 808 nm diode laser was studied and stable Q-switched pulse output was obtained by using Cr4+∶YAG crystal as a saturable absorber.The maximum continuous output power of 8.35 W was obtained at the pump power of 19 W corresponding to the light-to-light conversion efficiency of 44％and the slope efficiency of 56.4％.After inserting Cr4+∶YAG crystal,the pulse output with an average power of 4 W,pulse width of 24.3 ns,repetition rate of 39.6 kHz,single pulse energy of 101 μJ,and the maximum peak power of 4.15 kW was obtained at the pump power of 19 W.
关键词
二极管泵浦/Cr4+∶YAG晶体/可饱和吸收体/被动调QKey words
diode-pumped/Cr4+∶YAG crystal/saturable absorber/passively Q-switched引用本文复制引用
出版年
2024
NETL
NSTL
万方数据