On the influence of electronic nonlinearity dispersion to the dynamics of high-intensive laser pulses containing several field oscillations propagating in transparent dielectric media

Sviatoslav A. Stumpf; Alexander A. Korolev; Sergei Arkadjevich Kozlov

doi:10.1117/12.579993

15 July 2004 On the influence of electronic nonlinearity dispersion to the dynamics of high-intensive laser pulses containing several field oscillations propagating in transparent dielectric media

Sviatoslav A. Stumpf, Alexander A. Korolev, Sergei Arkadjevich Kozlov

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Proceedings Volume 5506, Nonresonant Laser-Matter Interaction (NLMI-11); (2004) https://doi.org/10.1117/12.579993
Event: Nonresonant Laser-Matter Interaction (NLMI-11), 2003, St. Petersburg, Russian Federation

Abstract

In present paper we enhance the model of polarization response in field of extremely short pulse by a pseudoclassical description of multiphoton ionization. The system of material equations now includes a part related to a ionization nonlinearity of the optical material. We also obtain a new wave equation, which describes extremely short pulse propagation in tnmsparent dielectric when electromagnetic field intensity values approach to a boundary of dielectric destruction beginning. The equation is used for modeling computations, numerical analysis of pulse propagation. Also new expressions for media refraction index are derived from the equation.

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Sviatoslav A. Stumpf, Alexander A. Korolev, and Sergei Arkadjevich Kozlov "On the influence of electronic nonlinearity dispersion to the dynamics of high-intensive laser pulses containing several field oscillations propagating in transparent dielectric media", Proc. SPIE 5506, Nonresonant Laser-Matter Interaction (NLMI-11), (15 July 2004); https://doi.org/10.1117/12.579993

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KEYWORDS

Dielectrics

Ionization

Dielectric polarization

Refractive index

Radio propagation

Particles

Plasma

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