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Optics Letters

Optics Letters


  • Vol. 23, Iss. 5 — Mar. 1, 1998
  • pp: 322–324

Plasma waveguide formation in predissociated clustering gases

T. Ditmire, R. A. Smith, and M. H. R. Hutchinson  »View Author Affiliations

Optics Letters, Vol. 23, Issue 5, pp. 322-324 (1998)

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We report on the use of a novel technique to create a plasma waveguide suitable for guiding high-intensity laser pulses in underdense plasmas. A narrow channel of a clustering gas is dissociated with a low-intensity prepulse. This prepulse is followed by a high-intensity, focused laser pulse. The high absorption of the clusters surrounding the dissociated atomic channel causes the remaining annulus of clusters to become highly ionized, leaving low-density plasma in the center. We have interferometrically probed the formation of this channel with picosecond laser pulses.

© 1998 Optical Society of America

OCIS Codes
(140.3460) Lasers and laser optics : Lasers
(230.7370) Optical devices : Waveguides
(320.5550) Ultrafast optics : Pulses

T. Ditmire, R. A. Smith, and M. H. R. Hutchinson, "Plasma waveguide formation in predissociated clustering gases," Opt. Lett. 23, 322-324 (1998)

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