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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 24 — Nov. 26, 2007
  • pp: 16102–16109

Optimization of multiple filamentation of femtosecond laser pulses in air using a pinhole

Zuo-Qiang Hao, Jie Zhang, Ting-Ting Xi, Xiao-Hui Yuan, Zhi-Yuan Zheng, Xin Lu, Ming-Young Yu, Yu-Tong Li, Zhao-Hua Wang, Wei Zhao, and Zhi-Yi Wei  »View Author Affiliations

Optics Express, Vol. 15, Issue 24, pp. 16102-16109 (2007)

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The robustness and prolongation of multiple filamentation (MF) for femtosecond laser propagation in air are investigated experimentally and numerically. It is shown that the number, pattern, propagation distance, and spatial stability of MF can be controlled by a variable-aperture on-axis pinhole. The random MF pattern can be optimized to a deterministic pattern. In our numerical simulations, we configured double filaments to principlly simulate the experimental MF interactions. It is experimentally and numerically demonstrated that the pinhole can reduce the modulational instability of MF and is favorable for a more stable MF evolution.

© 2007 Optical Society of America

OCIS Codes
(190.5530) Nonlinear optics : Pulse propagation and temporal solitons
(320.7110) Ultrafast optics : Ultrafast nonlinear optics

ToC Category:
Nonlinear Optics

Original Manuscript: September 14, 2007
Revised Manuscript: October 10, 2007
Manuscript Accepted: October 10, 2007
Published: November 20, 2007

Zuo-Qiang Hao, Jie Zhang, Ting-Ting Xi, Xiao-Hui Yuan, Zhi-Yuan Zheng, Xin Lu, Ming-Young Yu, Yu-Tong Li, Zhao-Hua Wang, Wei Zhao, and Zhi-Yi Wei, "Optimization of multiple filamentation of femtosecond laser pulses in air using a pinhole," Opt. Express 15, 16102-16109 (2007)

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