ILM group

The ILM group uses amplified ultra-short pulses produced by femtosecond lasers to study the properties and changes on the mater when irradiated by such intense laser pulses. One of the main topics is the propagation of these ultrashort pulse through transparant media in a non-linear regime.

Femtosecond filamentation occurs spontaneously when a short intense laser pulse is launched through a transparent medium with a power above a critical value. We study different properties of filaments like electromagnetic emission, pulse shortening, electrical discharge guiding...


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ENSTA CNRS Ecole Polytechnique