Control of filament branching in air by astigmatically focused femtosecond laser pulses
Control of filament branching in air by astigmatically focused femtosecond laser pulses
复制标题
通过像散聚焦飞秒激光脉冲控制空气中的灯丝分支
DOI：
10.1007/s00340-011-4424-4
复制
发表时间：
2011-05-01
影响因子：
2.1
通讯作者：
Chin, S. L.
中科院分区：
文献类型：
--
作者：
Fu, Y.;Gao, H.;Chin, S. L.
We report on the generation of branched optical filaments in air by astigmatically focusing intense femtosecond laser pulses with a pair of orthogonal cylindrical lenses. It is found that the branching angle can be controlled by changing the distance between the two foci of the cylindrical lenses. The evolution of the filament is systematically investigated by capturing beam cross-section profiles at different locations along its propagation direction. The experimental observation is successfully reproduced by theoretical simulations.
