Filamentation length of powerful laser pulses

Filamentation length of powerful laser pulses
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DOI:
10.1007/s00340-003-1217-4
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发表时间:
2003-06
期刊:
Applied Physics B
影响因子:
--
通讯作者:
A. Couairon
A. Couairon
中科院分区:
其他
文献类型:
--
作者:
A. Couairon

文献摘要

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从一个理论模型的高功率激光脉冲在空气中长距离传播,我们推导出分析估计的红外线灯丝的长度作为脉冲持续时间和光束能量的函数。对于一个固定的能量,每个脉冲,一个最大的双折射长度示出获得一个特定的脉冲持续时间。这些估计与文献中的数值模拟和测量结果一致。
From a theoretical model for the propagation of high-power laser pulses in air over long distances, we derive analytical estimates for the length of an infrared light filament as a function of the pulse duration and beam energy. For a fixed energy per pulse, a maximum filamentation length is shown to be obtained for a specific pulse duration. These estimates are in agreement with the results of numerical simulations and measurements available in the literature.