Compact eye-safe intracavity optical parametric oscillator with efficient pulse shortening |
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| Authors: | J G Miao B S Wang J Y Peng H K Bian H M Tan |
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| Institution: | (1) Changchun Institute of Optics, Fine Mechanics, and Physics, Chinese Academy of Sciences, Changchun, Jilin, 130033, China;(2) Graduate School of the Chinese Academy of Sciences, Beijing, 100039, China |
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| Abstract: | We report a compact eye-safe intracavity optical parametric oscillator (IOPO), driven by a diode end-pumped passively Q-switched Nd:YVO4/Cr: YAG laser. At the incident diode pump power of 6.2 W and signal pulse repetition rate of 13 kHz, we obtain a minimum signal pulse duration as short as 1.3 ns, holding a pulse compressing factor of 17 with respect to that of the pump, and exhibiting an efficient pulse shortening mechanism. At the same time, the maximum average power of 110 mW and pulse energy of 8.5 μJ for the signal wave are also achieved. In addition, cavity dumping characteristics and the correlation dynamics between the laser and the OPO are qualitatively analyzed. |
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