ZHANG Hua-Nian1, CHEN Xiao-Han1, WANG Qing-Pu1,2, LI Ping1,2**
1School of Information Science and Engineering, and Shandong Provincial Key Laboratory of Laser Technology and Application, Shandong University, Jinan 250100 2Advanced Research Center for Optics, Shandong University, Jinan 250100
Abstract：A diode-pumped actively Q-switched Raman laser is demonstrated, with YVO4 employed as Raman active medium, based on a ceramic Nd:YAG laser operating at 1444 nm. The first-stokes Raman generation at 1657 nm is achieved. A maximum output power of as high as 612 mW is obtained under a pump power of 20.7 W and at a pulse repetition frequency rate of 20 kHz, corresponding to an optical-to-optical conversion efficiency of 3%.
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2015, Vol. 32 
