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    王建军, 许党朋, 林宏奂, 张锐, 邓颖, 李明中, 周寿桓

    Multibeam optical pulse generation system based on time division multiplexing

    Lin Hong-Huan, Zhang Rui, Deng Ying, Li Ming-Zhong, Zhou Shou-Huan, Wang Jian-Jun, Xu Dang-Peng
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    • 提出了一种基于时分复用技术的全光纤、全固化的用于惯性约束聚变驱动器的甚多路光脉冲产生系统.系统中采用单纵模振荡器输出连续激光信号,利用时分复用技术结合高速电光调制技术实现序列脉冲的产生和甚多束脉冲的独立整形.采用偏振无关的声光调制技术实现甚多束脉冲的独立输出.每个序列脉冲包含8个子脉冲,子脉冲间隔设置为120 ns,对子脉冲独立整形和选单后将其传输放大至微焦耳量级输出.实验成功验证了采用时分复用技术完全可以实现序列脉冲输出,各子脉冲可以独立任意整形且最后的单束输出能量为1.275 μJ.
      By time division multiplexing (TDM) technique, an all-solid-state all-fiber multibeam optical pulse generation system used for an inertial confinement fusion driver is developed. The continuous wave signal is provided by a single longitudinal mode oscillator. The TDM technique and he high speed electro-optic modulation technique are utilized to realize the train pulse and arbitrary pulse-shaping. The polarization independent acoustooptic modulation technique is adopted to independently output the multibeam. Eight sub-pulses which may be shaped arbitrarily are included in each train pulse, and the time delay between adjacent sub-pulses is 120 ns. A single pulse selection module is used so that each beam turns into an independent output beam and then each beam is amplified and transmitted to output. Finally, it is successfully verified that the train pulse can be produced by the TDM technique, and its sub-pulse can be shaped arbitrarily and independently. The each beam energy is 1.275 μJ.
        • 基金项目:高温高密度等离子体物理国防科技重点实验室基金(批准号:9140C6803010905)资助的课题.
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      出版历程
      • 收稿日期:2009-12-24
      • 修回日期:2010-05-25
      • 刊出日期:2010-06-05

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