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Proceedings Paper

Formation of electromagnetic shock waves on optical cycle during propagation of femtosecond laser pulses in transparent solids
Author(s): Vitali E. Gruzdev; Anastasia S. Gruzdeva
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Paper Abstract

There is considered formation of shock electromagnetic waves (SHEW) of visible spectral range as possible nonlinear optical phenomenon taking place at laser intensity close to damage threshold induced by femtosecond laser pluses in transparent solids. Main regularities of SHEW formation are studied on the basis of 1D model of plane-wave propagation in isotropic dielectric with nonlinear optical responses and dispersion. Special attention is pad to influence of color dispersion on SHEW formation and propagation. Necessary conditions for appearing of SHEW are obtained, in particular, threshold amplitude is estimated. There is presented a model for numerical study of SHEW formation and propagation influenced by dispersion of linear and nonlinear parts of effective refractive index. Using the simulation, we studied dynamics of SHEW formation on several optical cycles near leading edge of femtosecond laser pulse propagating in transparent medium. Important observed features of SHEW are discussed.

Paper Details

Date Published: 26 June 2001
PDF: 12 pages
Proc. SPIE 4423, Nonresonant Laser-Matter Interaction (NLMI-10), (26 June 2001); doi: 10.1117/12.431231
Show Author Affiliations
Vitali E. Gruzdev, S.I. Vavilov State Optical Institute (Russia)
Anastasia S. Gruzdeva, S.I. Vavilov State Optical Institute (Russia)

Published in SPIE Proceedings Vol. 4423:
Nonresonant Laser-Matter Interaction (NLMI-10)
Mikhail N. Libenson, Editor(s)

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