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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: G. I. Stegeman
  • Vol. 23, Iss. 5 — May. 1, 2006
  • pp: 874–884

Pulse chirping and ionization of O 2 molecules for the filamentation of femtosecond laser pulses in air

Rachel Nuter and Luc Bergé  »View Author Affiliations


JOSA B, Vol. 23, Issue 5, pp. 874-884 (2006)
http://dx.doi.org/10.1364/JOSAB.23.000874


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Abstract

We examine two analytical models describing the photoionization of O 2 molecules in both tunnel and multiphoton regimes. Applying these models to the nonlinear propagation of chirped laser beams in the atmosphere, we demonstrate how chirp phases can be used as a tool to monitor the self-guiding range of femtosecond filaments or even to shorten the pulse duration. The good agreement between simulations and experimental measurements validates our numerical code for ultrashort-pulse propagation in air.

© 2006 Optical Society of America

OCIS Codes
(190.5530) Nonlinear optics : Pulse propagation and temporal solitons
(190.7110) Nonlinear optics : Ultrafast nonlinear optics
(320.1590) Ultrafast optics : Chirping
(320.5520) Ultrafast optics : Pulse compression

ToC Category:
Nonlinear Optics

History
Original Manuscript: September 7, 2005
Revised Manuscript: November 16, 2005
Manuscript Accepted: November 17, 2005

Citation
Rachel Nuter and Luc Bergé, "Pulse chirping and ionization of O2 molecules for the filamentation of femtosecond laser pulses in air," J. Opt. Soc. Am. B 23, 874-884 (2006)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-23-5-874

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