Optimization of passively Q-switched laser with V:YAG saturable absorber |
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| Authors: | Yue Huang Dechun Li Guiqiu Li |
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| Institution: | School of Information Science and Engineering, Shandong University, Jinan 250100, People's Republic of China |
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| Abstract: | By considering the Gaussian spatial distributions of the intracavity photon density and the initial population-inversion density, the coupled rate equations for a diode-pumped passively Q-switched laser with V3+:YAG saturable absorber are given. These coupled rate equations are solved numerically and the key parameters of an optimally coupled passively Q-switched laser with V3+:YAG at 1342 nm are determined. These key parameters include the parameters of the gain medium, the saturable absorber and the resonator, which can maximize the pulse energy of singly Q-switched pulse. The optimal calculations for a diode-pumped passively Q-switched a-Nd:GdVO4 laser with V3+:YAG saturable absorber are presented to demonstrate the numerical simulation applicable. |
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| Keywords: | Optimization Gaussian distribution V3+:YAG saturable absorber Q-switched laser Rate equation and solutions |
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