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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 20 — Sep. 27, 2010
  • pp: 21504–21510

Filamentation without intensity clamping

P. Prem Kiran, Suman Bagchi, Cord L. Arnold, Siva Rama Krishnan, G. Ravindra Kumar, and Arnaud Couairon  »View Author Affiliations


Optics Express, Vol. 18, Issue 20, pp. 21504-21510 (2010)
http://dx.doi.org/10.1364/OE.18.021504


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Abstract

We present measurements of the supercontinuum emission (SCE) from ultrashort Ti:Saph laser pulse filamentation in air in a tightly focused geometry. The spectral broadening of SCE indicates that peak intensities exceed the clamping value of a few 1013 W/cm2 obtained for filamentation in a loose focusing geometry by at least one order of magnitude. We provide an interpretation for this regime of filamenation without intensity clamping.

© 2010 Optical Society of America

OCIS Codes
(190.5530) Nonlinear optics : Pulse propagation and temporal solitons
(190.5940) Nonlinear optics : Self-action effects
(190.6135) Nonlinear optics : Spatial solitons

ToC Category:
Nonlinear Optics

History
Original Manuscript: August 31, 2010
Revised Manuscript: September 13, 2010
Manuscript Accepted: September 13, 2010
Published: September 24, 2010

Citation
P. Prem Kiran, Suman Bagchi, Cord L. Arnold, Siva Rama Krishnan, G. Ravindra Kumar, and Arnaud Couairon, "Filamentation without intensity clamping," Opt. Express 18, 21504-21510 (2010)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-20-21504


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