Dynamics of the structure of multiple filamentation domain of laser pulses in glass

被引:5
作者
Apeksimov D.V. [1 ]
Golik S.S. [2 ,3 ]
Zemlyanov A.A. [1 ]
Kabanov A.M. [1 ]
Mayor A.Y. [2 ]
Petrov A.V. [1 ]
机构
[1] V.E. Zuev Institute of Atmospheric Optics, Siberian Branch, Russian Academy of Sciences, Tomsk
[2] Institute of Automation and Control Processes, Far Eastern Branch, Russian Academy of Sciences, Vladivostok
[3] Far Eastern Federal University, Vladivostok
关键词
femtosecond pulse; glass; laser radiation; multiple filamentation; self-focusing;
D O I
10.1134/S1024856017030046
中图分类号
学科分类号
摘要
The results of experiments on the study of spatial characteristics of the multiple filamentation domain of GW Ti:Sapphire laser pulses in glass are presented. The dependences of the coordinates of the beginning, end, and diameter of the multiple filamentation domain (MFD) vs the laser pulse energy are derived. It is found that when the average intensity in the beam attains certain values, MFD is formed near the illuminated side of the glass sample. When the beam intensity attains a threshold, the secondary MFD is formed; its spatial characteristics depend on the pulse-periodic irradiation exposure time. The diameter of the secondary MFD and coordinates of its beginning depend on the exposure time. The spatial characteristics of the primary MFD were independent of the exposure time during the experiments. © 2017, Pleiades Publishing, Ltd.
引用
收藏
页码:222 / 225
页数:3
相关论文
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