Elongation of plasma channel generated by temporally shaped femtosecond laser pulse

Elongation of plasma channel generated by temporally shaped femtosecond laser pulse
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时间整形飞秒激光脉冲产生的等离子体通道的伸长

DOI:
10.1016/j.optcom.2016.08.079
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发表时间:
2017-01
影响因子:
2.4
通讯作者:
Jin Mingxing
Jin Mingxing
中科院分区:
物理与天体物理3区
文献类型:
--
作者:
Chen Anmin;Li Suyu;Qi Hongxia;Jiang Yuanfei;Hu Zhan;Huang Xuri;Jin Mingxing

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采用时间整形的飞秒激光脉冲产生空气等离子体通道。采用遗传算法对等离子体通道长度进行了优化。与变换限制脉冲相比,利用遗传算法对空间光调制器产生的飞秒激光进行时间整形,可以显著增加大气中等离子体通道的长度和亮度。特别地,由优化的成形脉冲产生的等离子体通道的长度可以延长50%。这种方法在飞秒激光诱导等离子体通道的背景下可以是特别有利的。
Temporally shaped femtosecond laser pulse is used to generate the air plasma channel. The length of plasma channel is optimized by a genetic algorithm. Compared with the transform-limited pulse, the temporally shaped femtosecond laser produced by the spatial light modulator with the genetic algorithm can lead to a significant increase in length and brightness of plasma channel in atmosphere. In particular, the length of the plasma channel produced by the optimized shaped pulse can be extended by 50%. This method can be especially advantageous in the context of femtosecond laser-induced plasma channel.
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