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Proceedings Paper

Energy density characterization of complex ultrashort laser pulses
Author(s): Antonio Lotti; Arnaud Couairon; Daniele Faccio; Paolo Di Trapani
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Paper Abstract

We introduce the concept of energy density flux as a characterization tool for the propagation of ultrashort laser pulses with spatio-temporal coupling. This energy density flux is calculated in the local frame moving at the velocity of the envelope of the wave packet under examination, and it can also be extended to the case of nonlinear propagation. We perform a detailed numerical study of the energy density flux in the particular case of conical waves. We also experimentally characterize the energy density flux for the cases of Bessel-X pulse in linear propagation and complex ultrashort pulses generated by filamentation in a nonlinear Kerr medium.

Paper Details

Date Published: 4 June 2010
PDF: 12 pages
Proc. SPIE 7728, Nonlinear Optics and Applications IV, 77280L (4 June 2010); doi: 10.1117/12.854551
Show Author Affiliations
Antonio Lotti, Univ. degli Studi dell'Insubria (Italy)
Ctr de Physique Théorique, CNRS, École Polytechnique (France)
Virtual Institute of Nonlinear Optics (Italy)
Arnaud Couairon, Ctr de Physique Théorique, CNRS, École Polytechnique (France)
Virtual Institute of Nonlinear Optics (Italy)
Daniele Faccio, Univ. degli Studi dell'Insubria (Italy)
Virtual Institute of Nonlinear Optics (Italy)
Paolo Di Trapani, Univ. degli Studi dell'Insubria (Italy)
Virtual Institute of Nonlinear Optics (Italy)


Published in SPIE Proceedings Vol. 7728:
Nonlinear Optics and Applications IV
Benjamin J. Eggleton; Alexander Luis Gaeta; Neil G. R. Broderick, Editor(s)

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