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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 7 — Apr. 2, 2007
  • pp: 4168–4175

Axial emission and spectral broadening in self-focusing of femtosecond Bessel beams

A. Dubietis, P. Polesana, G. Valiulis, A. Stabinis, P. Di Trapani, and A. Piskarskas  »View Author Affiliations


Optics Express, Vol. 15, Issue 7, pp. 4168-4175 (2007)
http://dx.doi.org/10.1364/OE.15.004168


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Abstract

We report on the experimental observations of on-axis spectral broadening arising from self-focusing of the axicon-generated femtosecond Bessel beam in water. The observed spectral broadening is interpreted by a nonlinearly phase-matched four-wave mixing process involving the intense conical pump, the axial signal and a conical idler wave.

© 2007 Optical Society of America

OCIS Codes
(190.4410) Nonlinear optics : Nonlinear optics, parametric processes
(190.5940) Nonlinear optics : Self-action effects
(320.7110) Ultrafast optics : Ultrafast nonlinear optics

ToC Category:
Nonlinear Optics

History
Original Manuscript: January 24, 2007
Revised Manuscript: March 8, 2007
Manuscript Accepted: March 8, 2007
Published: April 2, 2007

Citation
A. Dubietis, P. Polesana, G. Valiulis, A. Stabinis, P. Di Trapani, and A. Piskarskas, "Axial emission and spectral broadening in self-focusing of femtosecond Bessel beams," Opt. Express 15, 4168-4175 (2007)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-15-7-4168


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