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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 29, Iss. 6 — Mar. 15, 2004
  • pp: 590–592

Self-healing femtosecond light filaments

Miroslav Kolesik and Jerome V. Moloney  »View Author Affiliations


Optics Letters, Vol. 29, Issue 6, pp. 590-592 (2004)
http://dx.doi.org/10.1364/OL.29.000590


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Abstract

A recent experiment [Appl. Phys. Lett. 83, 213 (2003)] indicated that filaments created in femtosecond high-power pulses propagating in air are surprisingly robust when interacting with microscopic water droplets. We present numerical modeling of the dynamics of the filament–droplet interaction. Our simulation results provide further insight into the interplay between the filament’s core and the wide transverse pedestal of the pulse. It is shown that the robustness of the filament comes from the transverse low-intensity pedestal that controls the formation of the central hot spot. Implications for penetration of wide, high-power beams through obscurants are discussed.

© 2004 Optical Society of America

OCIS Codes
(010.1300) Atmospheric and oceanic optics : Atmospheric propagation
(190.5530) Nonlinear optics : Pulse propagation and temporal solitons
(260.5950) Physical optics : Self-focusing
(320.2250) Ultrafast optics : Femtosecond phenomena
(320.5550) Ultrafast optics : Pulses

Citation
Miroslav Kolesik and Jerome V. Moloney, "Self-healing femtosecond light filaments," Opt. Lett. 29, 590-592 (2004)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-29-6-590


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