Generation of multiple femtosecond laser filaments by using axicon in turbulent air

被引：4
|
作者：
Zeng, T. [1 ]
Gao, H. [2 ]
Sun, X. D. [3 ]
Lin, L. [1 ]
Liu, W. [1 ,4 ]
机构：
[1] Nankai Univ, Minist Educ, Key Lab Opt Informat Sci & Technol, Inst Modern Opt, Tianjin 300071, Peoples R China
[2] Tianjin Polytech Univ, Sch Sci, Tianjin 300387, Peoples R China
[3] Tianjin Polytech Univ, Sch Elect Informat Engn, Tianjin 300387, Peoples R China
[4] Univ Elect Sci & Technol, Cooperat Innovat Ctr Terahertz Sci, Chengdu 611731, Peoples R China
来源：
LASER PHYSICS | 2015年 / 25卷 / 08期
基金：
中国国家自然科学基金;
关键词：
multi-filamentation; atmosphere turbulence; axicon; EXTENDED PLASMA CHANNELS; PULSES; LONG; PROPAGATION; PHYSICS; LIGHT;
D O I：
10.1088/1054-660X/25/8/085401
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Multiple filaments generation by using an axicon to focus optics in the turbulent air has been studied based on numerical simulation. We came to the conclusion that the axicon could produce multiple filaments with an initial cylindrical symmetrical Gaussian laser beam in the turbulent air. Further, we have studied the threshold power of the initial beam and the threshold turbulence intensity for the formation of multi-filamentation in quantification. This result is valuable in using an axicon to control the filament.
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收藏
页数：7
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