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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 15 — Jul. 19, 2010
  • pp: 15467–15474

Femtosecond multi-filamentation control by mixture of gases: towards synthesised nonlinearity

Benjamín Alonso, Amelle Zaïr, Julio San Román, Oscar Varela, and Luis Roso  »View Author Affiliations

Optics Express, Vol. 18, Issue 15, pp. 15467-15474 (2010)

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We have investigated femtosecond multi-filamentation process in a mixture of gases controlling the concentration of atoms versus molecules in the gas cell. The experimental results show that this control could provide a new freedom degree to deterministic spatial distribution control of the multiple filaments. Our simulation indicates surprisingly that only difference of the gases nonlinearity (referred to as “synthesised nonlinearity”) is sufficient to be responsible for this control. This study opens the way to provide few-cycle pulses spatial distributed source for spatially encoded measurements and experiments.

© 2010 Optical Society of America

OCIS Codes
(020.0020) Atomic and molecular physics : Atomic and molecular physics
(320.7110) Ultrafast optics : Ultrafast nonlinear optics
(320.6629) Ultrafast optics : Supercontinuum generation

ToC Category:
Atomic and Molecular Physics

Original Manuscript: June 9, 2010
Revised Manuscript: June 14, 2010
Manuscript Accepted: June 16, 2010
Published: July 7, 2010

Benjamín Alonso, Amelle Zaïr, Julio San Román, Oscar Varela, and Luis Roso, "Femtosecond multi-filamentation control by mixture of gases: towards synthesised nonlinearity," Opt. Express 18, 15467-15474 (2010)

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