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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 14, Iss. 12 — Jun. 12, 2006
  • pp: 5468–5475

Collapse dynamics of super-Gaussian beams

Taylor D. Grow, Amiel A. Ishaaya, Luat T. Vuong, Alexander L. Gaeta, Nir Gavish, and Gadi Fibich  »View Author Affiliations


Optics Express, Vol. 14, Issue 12, pp. 5468-5475 (2006)
http://dx.doi.org/10.1364/OE.14.005468


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Abstract

We investigate the self-focusing dynamics of super-Gaussian optical beams in a Kerr medium. We find that up to several times the critical power for self-focusing, super-Gaussian beams evolve towards a Townes profile. At higher powers the super-Gaussian beams form rings which break into filaments as a result of noise. Our results are consistent with the observed self-focusing dynamics of femtosecond laser pulses in air [1] in which filaments are formed along a ring about the axis of the initial beam where the initial beam did not form a ring.

© 2006 Optical Society of America

OCIS Codes
(190.5530) Nonlinear optics : Pulse propagation and temporal solitons
(320.7110) Ultrafast optics : Ultrafast nonlinear optics

ToC Category:
Nonlinear Optics

History
Original Manuscript: April 20, 2006
Revised Manuscript: June 1, 2006
Manuscript Accepted: June 2, 2006
Published: June 12, 2006

Citation
Taylor D. Grow, Amiel A. Ishaaya, Luat T. Vuong, Alexander L. Gaeta, Nir Gavish, and Gadi Fibich, "Collapse dynamics of super-Gaussian Beams," Opt. Express 14, 5468-5475 (2006)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-14-12-5468


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