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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Anthony J. Campillo
  • Vol. 31, Iss. 1 — Jan. 1, 2006
  • pp: 86–88

Laser filaments generated and transmitted in highly turbulent air

R. Ackermann, G. Méjean, J. Kasparian, J. Yu, E. Salmon, and J.-P. Wolf  »View Author Affiliations


Optics Letters, Vol. 31, Issue 1, pp. 86-88 (2006)
http://dx.doi.org/10.1364/OL.31.000086


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Abstract

The initiation and propagation of a filament generated by ultrashort laser pulses in turbulent air is investigated experimentally. A filament can be generated and propagated even after the beam has propagated through strongly turbulent regions, with structure parameters C n 2 as many as 5 orders of magnitude larger than those encountered in the usual atmospheric conditions. Moreover, the filament’s position within the beam is not affected by the interaction with a turbulent region. This remarkable stability is allowed by the strong Kerr refractive-index gradients generated within the filament, which exceed the turbulence-induced refractive-index gradients by 2 orders of magnitude.

© 2006 Optical Society of America

OCIS Codes
(010.3310) Atmospheric and oceanic optics : Laser beam transmission
(010.7060) Atmospheric and oceanic optics : Turbulence
(190.3270) Nonlinear optics : Kerr effect
(190.5940) Nonlinear optics : Self-action effects
(190.7110) Nonlinear optics : Ultrafast nonlinear optics

ToC Category:
Nonlinear Optics

Citation
R. Ackermann, G. Méjean, J. Kasparian, J. Yu, E. Salmon, and J.-P. Wolf, "Laser filaments generated and transmitted in highly turbulent air," Opt. Lett. 31, 86-88 (2006)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-31-1-86

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