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Anomalous long-range propagation of femtosecond laser pulses through air: moving focus or pulse self-guiding?

Hans Lange 1 G. Grillon 1 Jean-François Ripoche 1 Michel Franco 1 Brigitte Lamouroux 1 Bernard Prade 1 André Mysyrowicz 1 Erik Nibbering 2 Arnaud Chiron 3
1 LOA - Laboratoire d'optique appliquée
2 MBI - Max-Born-Institut für Nichtlineare Optik und Kurzzeitspektroskopie
3 Dipartimento di Fisica
Abstract : Self-guided propagation of femtosecond laser pulses is studied for a converging-beam configuration. Channeling of the pulse energy through various gases is observed over distances well beyond the lens focal point, a fact that cannot be explained by the moving-focus model. The results are in good agreement with three-dimensional numerical simulations.
Keywords : nonlinear optics filamentation kerr effect
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Journal articles
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https://hal-polytechnique.archives-ouvertes.fr/hal-00465595
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Submitted on : Friday, March 19, 2010 - 11:22:32 PM
Last modification on : Wednesday, October 14, 2020 - 4:19:11 AM

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Hans Lange, G. Grillon, Jean-François Ripoche, Michel Franco, Brigitte Lamouroux, et al.. Anomalous long-range propagation of femtosecond laser pulses through air: moving focus or pulse self-guiding?. Optics Letters, Optical Society of America - OSA Publishing, 1998, 23 (2), pp.120-122. ⟨10.1364/OL.23.000120⟩. ⟨hal-00465595⟩

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