Potential fields of merging and splitting filaments in air
Ma Yuan-Yuan(马媛媛)a) b), Lu Xin(鲁欣)a), Xi Ting-Ting(奚婷婷)a), Hao Zuo-Qiang(郝作强)a), Gong Qi-Huang(龚旗煌)b), and Zhang Jie(张杰)a)†
a Laboratory of Optical Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100080, China; b State Key Laboratory for Mesoscopic Physics, Department of Physics, Peking University, Beijing 100871, China
Abstract Two interacting light filaments with different initial phases propagating in air are investigated numerically by using a ray tracing method. The evolution of the rays of a filament is governed by a potential field. During propagation, the two potential wells of the two filaments can merge into one or repel each other, depending on the initial phase difference between the two filaments. The study provides a simple description of the interacting filaments.
Received: 11 December 2006
Revised: 14 March 2007
Accepted manuscript online:
(Ultrafast processes; optical pulse generation and pulse compression)
Fund: Project supported by the National Natural
Science Foundation of China (Grant Nos~60621063, 10334110, 10425416,
10634020 and 60478047), the National Key Basic Research Special
Foundation of China (Grant No~G1999075206), and
the National Hi-Tech ICF Programme.
Cite this article:
Ma Yuan-Yuan(马媛媛), Lu Xin(鲁欣), Xi Ting-Ting(奚婷婷), Hao Zuo-Qiang(郝作强), Gong Qi-Huang(龚旗煌), and Zhang Jie(张杰) Potential fields of merging and splitting filaments in air 2007 Chinese Physics 16 2731
Interaction of light filaments in air Xi Ting-Ting(奚婷婷), Lu Xin(鲁欣), Hao Zuo-Qiang(郝作强), Ma Yuan-Yuan(马媛媛), and Zhang Jie(张杰). Chin. Phys. B, 2009, 18(10): 4303-4307.
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