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