Femtosecond optical vortices in air -: art. no. 193901

被引：106
|
作者：
Vinçotte, A [1 ]
Bergé, L [1 ]
机构：
[1] CEA, DAM Ile France, Dept Phys Theor & Appl, F-91680 Bruyeres Le Chatel, France
来源：
PHYSICAL REVIEW LETTERS | 2005年 / 95卷 / 19期
关键词：
D O I：
10.1103/PhysRevLett.95.193901
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We examine the robustness of ultrashort optical vortices propagating freely in the atmosphere. We first approximate the stability regions of femtosecond spinning pulses as a function of their topological charge. Next, we numerically demonstrate that atmospheric optical vortices are capable of conveying high power levels in air over hundreds of meters before they break up into filaments.
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页数：4
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