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

Hans Lange; G. Grillon; Jean-François Ripoche; Michel Franco; Brigitte Lamouroux; Bernard Prade; André Mysyrowicz; Erik Nibbering; Arnaud Chiron

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

Document type :

Journal articles

Domain :

Physics [physics] / Physics [physics] / Optics [physics.optics]

Complete list of metadatas

https://hal-polytechnique.archives-ouvertes.fr/hal-00465595
Contributor : Aurélien Houard <>
Submitted on : Friday, March 19, 2010 - 11:22:32 PM
Last modification on : Wednesday, July 3, 2019 - 10:48:02 AM

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

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

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