Liu Yang, Sheng Quan, Zhong Kai, Shi Wei, Ding Xin, Qiao Hongzhan, Liu Kefei, Ma Hanchao, Li Ran, Xu Degang, Yao Jianquan
Opt Express. 2019 Sep 30;27(20):27797-27806. doi: 10.1364/OE.27.027797.
An actively Q-switched dual-wavelength intracavity Raman laser based on a coaxially pumped dual-crystal (Nd:YAG and b-cut Nd:YAP) fundamental configuration was theoretically and experimentally investigated. Stable dual-wavelength Stokes output at 1176 nm and 1195 nm was subsequently obtained by the Raman conversion from an a-cut YVO crystal. A total average power of 1.8 W was produced at 10 kHz pulse repetition frequency under an incident diode pump power of 15.8 W, in which the power levels at the two Stokes wavelengths were nearly equivalent. The power proportion and the interval between the dual-wavelength Stokes pulses could be manipulated actively by changing the pump focal position or pump wavelength.
基于同轴泵浦双晶体（Nd:YAG和b切割Nd:YAP）基本结构，对一种主动调Q双波长腔内拉曼激光器进行了理论和实验研究。随后通过a切割YVO晶体的拉曼转换，获得了1176 nm和1195 nm的稳定双波长斯托克斯输出。在15.8 W的入射二极管泵浦功率下，以10 kHz的脉冲重复频率产生了1.8 W的总平均功率，其中两个斯托克斯波长处的功率水平几乎相等。通过改变泵浦焦点位置或泵浦波长，可以主动控制双波长斯托克斯脉冲之间的功率比例和间隔。
