Second-Stokes YVO4/Nd:YVO4/YVO4 self-frequency Raman laser |
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| Authors: | Chen Weidong Wei Yong Huang Chenghui Wang Xiaolei Shen Hongyuan Zhai Suya Xu Shan Li Bingxuan Chen Zhenqiang Zhang Ge |
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| Institution: | Key Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China. chenweidong@fjirsm.ac.cn |
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| Abstract: | We demonstrated an efficient second-Stokes Raman laser emission at 1313 nm based on self-frequency stimulated Raman scattering from a diode-end-pumped actively Q-switched YVO(4)/Nd:YVO(4)/YVO(4) laser at 1064 nm for the first time, to the authors' knowledge. A double-end diffusion-bonded Nd:YVO(4) composite crystal was adopted for sufficiently improving the thermal lensing effect in the course of self-frequency stimulated Raman scattering operation. With an incident pump power of 14.6 W and a pulse repetition (PRR) of 40 kHz, a maximum average output power of 2.34 W was obtained, corresponding to an optical-to-optical conversion efficiency of 16%. Pulse width and peak power were 1.2 ns and 49 kW, respectively. |
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