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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 28, Iss. 3 — Feb. 1, 2003
  • pp: 206–208

Plasma formation dynamics within a water microdroplet on femtosecond time scales

Fraçnois Courvoisier, Véronique Boutou, Catherine Favre, Steven C. Hill, and Jean-Pierre Wolf  »View Author Affiliations


Optics Letters, Vol. 28, Issue 3, pp. 206-208 (2003)
http://dx.doi.org/10.1364/OL.28.000206


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Abstract

We demonstrate that a highly confined plasma inclusion is formed inside a micrometric water droplet that is excited by a femtosecond laser. An 800-nm laser pulse generates a plasma inclusion by laser-induced breakdown that is subsequently probed by the elastic scattering of a second (400-nm) time-delayed ultrashort pulse. For a 25-μm -radius droplet and an incident intensity of 7×1012 W/cm 2 the radius of the highly localized plasma is 1.9±0.4 μm . We probed the plasma formation dynamics on femtosecond time scales by varying the delay between the pump and the probe pulses. Good agreement with numerical simulations of the process was found.

© 2003 Optical Society of America

OCIS Codes
(140.3440) Lasers and laser optics : Laser-induced breakdown
(290.5820) Scattering : Scattering measurements
(320.2250) Ultrafast optics : Femtosecond phenomena
(320.7110) Ultrafast optics : Ultrafast nonlinear optics
(320.7130) Ultrafast optics : Ultrafast processes in condensed matter, including semiconductors

Citation
Fraçnois Courvoisier, Véronique Boutou, Catherine Favre, Steven C. Hill, and Jean-Pierre Wolf, "Plasma formation dynamics within a water microdroplet on femtosecond time scales," Opt. Lett. 28, 206-208 (2003)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-28-3-206

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