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Optics Letters

Optics Letters


  • Editor: Anthony J. Campillo
  • Vol. 32, Iss. 14 — Jul. 15, 2007
  • pp: 2055–2057

Plasma strings from ultraviolet laser filaments drive permanent structural modifications in fused silica

D. G. Papazoglou, I. Zergioti, and S. Tzortzakis  »View Author Affiliations

Optics Letters, Vol. 32, Issue 14, pp. 2055-2057 (2007)

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Long self-trapped femtosecond ultraviolet filaments created in the bulk of pure fused silica are used to induce permanent structural changes in the medium. We monitor the laser pulse propagation as a filamentary structure and the plasma string left at its trail. We investigate and demonstrate the link of the filament-induced plasma to the permanent structural changes left in the medium. Specific electron density thresholds are found for the induced modifications.

© 2007 Optical Society of America

OCIS Codes
(140.5680) Lasers and laser optics : Rare earth and transition metal solid-state lasers
(160.4330) Materials : Nonlinear optical materials

ToC Category:
Ultrafast Optics

Original Manuscript: March 22, 2007
Manuscript Accepted: May 18, 2007
Published: July 10, 2007

D. G. Papazoglou, I. Zergioti, and S. Tzortzakis, "Plasma strings from ultraviolet laser filaments drive permanent structural modifications in fused silica," Opt. Lett. 32, 2055-2057 (2007)

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