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6 February 2008 Research on SBS and pulse pumped hybrid Q-switched Er3+/Yb3+ co-doped fiber laser
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As increasing demand for high power short-pulse laser system for scientific and industrial application, sub-10ns high power pulse fiber lasers attract more and more attentions. In this paper, a hybrid Q-switched Er3+/Yb3+ co-doped high power fiber laser is presented. The Q-switching in this fiber laser is achieved by combining stimulated Brillouin scattering (SBS) and pulse pumped. On the one hand, through self-Q-switching operation due to SBS in the cavity, the Q-switched fiber laser can produce pulse duration below 10ns. On the other hand, the repetition rate of output optical pulses is dominated by the repetition rate of pumping pulses. With this method, a Q-switched Er3+/Yb3+ co-doped fiber laser with high power and sub-10ns is obtained. The characteristics of the presented laser have been investigated theoretically and experimentally in detail. The experimental results show that the emitted pulse duration is as short as 4ns, the maximum pulse peak power is greater than 10kW and the repetition rate of output optical pulses can be varied from 0Hz to 5kHz.
© (2008) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Zhiyong Dai, Zhengshou Peng, Yongzhi Liu, and Zhonghua Ou "Research on SBS and pulse pumped hybrid Q-switched Er3+/Yb3+ co-doped fiber laser", Proc. SPIE 6823, High-Power Lasers and Applications IV, 68231C (6 February 2008);


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