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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 9 — Apr. 23, 2012
  • pp: 9558–9563

Dynamics of femtosecond laser filamentation in argon with non-uniform density distribution

Zhanxin Wang, Chaojin Zhang, Jiansheng Liu, and Zhizhan Xu  »View Author Affiliations

Optics Express, Vol. 20, Issue 9, pp. 9558-9563 (2012)

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We numerically investigated the femtosecond laser filamentation in a cell filled with argon of non-uniform density distribution. By comparison with the case of uniform density distribution, we demonstrated the crucial differences in the dynamics between the two cases. We found that the pulse-splitting appeared earlier due to the sensitivity of rear-part refocusing to the plasma density and a double Λ shape appeared in the spatio-temporal intensity profile in the non-uniform density case.

© 2012 OSA

OCIS Codes
(190.7110) Nonlinear optics : Ultrafast nonlinear optics
(320.2250) Ultrafast optics : Femtosecond phenomena

ToC Category:
Ultrafast Optics

Original Manuscript: February 28, 2012
Revised Manuscript: March 28, 2012
Manuscript Accepted: April 2, 2012
Published: April 11, 2012

Zhanxin Wang, Chaojin Zhang, Jiansheng Liu, and Zhizhan Xu, "Dynamics of femtosecond laser filamentation in argon with non-uniform density distribution," Opt. Express 20, 9558-9563 (2012)

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