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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 14, Iss. 2 — Jan. 23, 2006
  • pp: 773–778

Optics InfoBase > Optics Express > Volume 14 > Issue 2 > Page 773

Spatial evolution of multiple filaments in air induced by femtosecond laser pulses

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


Optics Express, Vol. 14, Issue 2, pp. 773-778 (2006)
http://dx.doi.org/10.1364/OPEX.14.000773


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Abstract

The spatial evolution of plasma filaments in air induced by femtosecond laser pulses is investigated experimentally. Several major filaments and small scaled additional filaments are detected in the plasma channel. The complicated interaction process of filaments as splitting, fusion and spreading is observed. The major filaments propagate stably, and the small scaled additional filaments can be attracted to the major filaments and merged with them. The major filaments are formed due to the perturbation of initial beam profile and the small scaled filaments are mainly caused by the transverse modulational instability.

© 2006 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

Citation
Zuo-Qiang Hao, Jie Zhang, Xin Lu, Ting-Ting Xi, Yu-Tong Li, Xiao-Hui Yuan, Zhi-Yuan Zheng, Zhao-Hua Wang, Wei-Jun Ling, and Zhi-Yi Wei, "Spatial evolution of multiple filaments in air induced by femtosecond laser pulses," Opt. Express 14, 773-778 (2006)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-14-2-773


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