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Numerical simulations of the nonlinear propagation of femtosecond optical pulses in gases

Arnaud Chiron 1 Brigitte Lamouroux 2 Rudiger Lange 2 Jean-François Ripoche 2 Michel Franco 2 Bernard Prade 2 Guy Bonnaud 3 G. Riazuelo 3 André Mysyrowicz 2
1 Dipartimento di Fisica
2 LOA - Laboratoire d'optique appliquée
3 DPTA - Département de Physique Théorique et Appliquée
DAM/DIF - DAM Île-de-France : DAM/DIF
Abstract : A two-dimensional axisymmetric model of the propagation of intense femtosecond laser pulses through dispersion-free transparent media is described. The effects of diffraction, nonlinear Kerr effect (instantaneous and retarded) and multiphoton ionisation are included. Numerical results concerning air and other gases are discussed. In particular, time self-compression of femtosecond pulses is predicted. Stable self-guided pulses are simulated, in agreement with recent experimental observations.
Keywords : filamentation nonlinear optics
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Submitted on : Friday, March 19, 2010 - 11:15:13 PM
Last modification on : Friday, December 3, 2021 - 11:34:03 AM

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Arnaud Chiron, Brigitte Lamouroux, Rudiger Lange, Jean-François Ripoche, Michel Franco, et al.. Numerical simulations of the nonlinear propagation of femtosecond optical pulses in gases. The European Physical Journal D : Atomic, molecular, optical and plasma physics, EDP Sciences, 1999, 6 (3), pp.383-396. ⟨10.1007/s100530050322⟩. ⟨hal-00465594⟩

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