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Updated: Aug 9, 2026
Femtosecond Laser Filaments for Use in Sub-Diffraction-Limited Imaging and Remote Sensing
Published on: April 25, 2019
Long-range multifilamentation of femtosecond laser pulses versus air pressure
Stéphanie Champeaux1, Luc Bergé
1Département de Physique Théorique et Appliquée, France. stephanie.champeaux@cea.fr
Abstract:
We examine the nonlinear dynamics of femtosecond filaments in air at different pressures. Emphasis is placed on the changes in multiple filamentation patterns produced by terawatt laser pulses. Principal modifications induced by pressure variations apply to the onset distance, size, and number of the filaments inside the laser bundle.
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