A compact efficient continuous-wave self-frequency Raman laser with a composite YVO4/Nd:YVO4/YVO4 crystal |
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| Authors: | L Fan Y-X Fan H-T Wang |
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| Institution: | (1) Department of Electrophysics, National Chiao Tung University, F353, Engineering Building VI, No 1001, Ta Hsueh Rd, Hsinchu, 300, Taiwan |
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| Abstract: | We report a low-threshold continuous-wave self-Raman laser with a composite YVO4/Nd:YVO4/YVO4 crystal. The use of the composite crystal can reduce the thermal effects and achieve the low-threshold and high Raman output
operation. The Raman threshold is as low as 2.2 W for the 808-nm diode pump. Under the pump of a diode power of 25.5 W, the
highest Raman output of 2.8 W is obtained at 1175 nm, corresponding to a slope efficiency of 12% and a diode-to-Stokes optical
conversion efficiency of 11%. The power fluctuation is less than 1.1% under the highest Raman output. |
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