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首页> 外文期刊>Optics Letters >Single frequency MOPA based on Nd:YAG single crystal fiber and rods
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Single frequency MOPA based on Nd:YAG single crystal fiber and rods

机译：基于Nd：YAG单晶纤维和棒的单频MOPA

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We demonstrate a single frequency 1064 nm master oscillator power amplifier (MOPA) system operating in macro-micro pulse scheme. The repetition rate for the macro pulses was 300 Hz with pulse duration of 300 mu s. Micro pulses operated at 25 kHz. The master laser was a single-longitudinal-mode electro-optically Q-switched Nd: YAG laser with an output power of 250 mW and pulse duration of 33 ns. Three stages of power amplifiers based on Nd: YAG single crystal fiber and rods were designed. The final output power reached 31.3Wwith pulse duration of 30 ns and linewidth of less than 130 MHz. Micro pulse energy of 13.9 mJ was obtained with a peak power of up to 464 kW. The beam quality factors (M-2) were measured to be 1.56 and 1.76 in horizontal and vertical directions, respectively. (C) 2016 Optical Society of America
机译：我们演示了在宏微脉冲方案下运行的单频1064 nm主振荡器功率放大器（MOPA）系统。宏脉冲的重复率为300 Hz，脉冲持续时间为300μs。微脉冲以25 kHz运行。主激光器是单纵模电光Q开关Nd：YAG激光器，输出功率为250 mW，脉冲持续时间为33 ns。设计了基于Nd的三级功率放大器：YAG单晶纤维和棒。最终输出功率达到31.3W，脉冲持续时间为30 ns，线宽小于130 MHz。获得了13.9 mJ的微脉冲能量，峰值功率高达464 kW。在水平和垂直方向上测得的光束质量因子（M-2）分别为1.56和1.76。 （C）2016美国眼镜学会

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