The formation of an intense filament controlled by interference of ultraviolet femtosecond pulses

被引：13

作者：

Wang, Yongdong ^{[1
]}

Zhang, Yisan ^{[1
]}

Chen, Peng ^{[1
]}

Shi, Liping ^{[1
]}

Lu, Xin ^{[1
]}

Wu, Jian ^{[1
]}

Ding, Liang'en ^{[1
]}

Zeng, Heping ^{[1
]}

机构：

[1] E China Normal Univ, State Key Lab Precis Spect, Shanghai 200062, Peoples R China

来源：

APPLIED PHYSICS LETTERS | 2011年 / 98卷 / 11期

关键词：

D O I：

10.1063/1.3565158

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We experimentally investigated the formation of a wavelength-scale photonic plasma grating induced by interference-assisted coalescence of two noncollinear ultraviolet femtosecond laser pulses. The period of the created plasma grating decreased with the crossing angle of the interacting laser pulses. For a proper small crossing angle, the noncollinear ultraviolet filaments were coalesced and an intense single ultraviolet filament was formed with a diameter of 5 mu m which was below the focused limitation. This may provide a way to control ultraviolet femtosecond filamentation. (C) 2011 American Institute of Physics. [doi:10.1063/1.3565158]

引用

页数：3

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