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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 36, Iss. 24 — Dec. 15, 2011
  • pp: 4812–4814

Conical emission from laser filaments and higher-order Kerr effect in air

P. Béjot and J. Kasparian  »View Author Affiliations


Optics Letters, Vol. 36, Issue 24, pp. 4812-4814 (2011)
http://dx.doi.org/10.1364/OL.36.004812


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Abstract

We numerically investigate the conical emission (CE) from ultrashort laser filaments, both considering and disregarding the higher-order Kerr effect (HOKE). While the consideration of HOKE has almost no influence on the predicted CE from collimated beams, differences arise for tightly focused beams. This difference is attributed to the different relative contributions of the nonlinear focus and of the modulational instability over the whole filament length.

© 2011 Optical Society of America

OCIS Codes
(190.2620) Nonlinear optics : Harmonic generation and mixing
(190.3270) Nonlinear optics : Kerr effect
(190.5940) Nonlinear optics : Self-action effects
(190.7110) Nonlinear optics : Ultrafast nonlinear optics
(320.2250) Ultrafast optics : Femtosecond phenomena
(320.7110) Ultrafast optics : Ultrafast nonlinear optics

ToC Category:
Nonlinear Optics

History
Original Manuscript: June 9, 2011
Manuscript Accepted: November 3, 2011
Published: December 15, 2011

Citation
P. Béjot and J. Kasparian, "Conical emission from laser filaments and higher-order Kerr effect in air," Opt. Lett. 36, 4812-4814 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-24-4812

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