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Conferences > CLEO_SI > 2015 > SM3N > SM3N.2

Picosecond Ionization Dynamics in Femtosecond Filaments at High Pressures

Xiaohui Gao, Gauri Patwardhan, Samuel Schrauth, Daiwei Zhu, and Alexander L. Gaeta

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Abstract

We observe a 3-fold increase in the electron density within 30 picoseconds after the filamentary propagation of femtosecond pulses in 60-bar argon gases. This suggests that electron-impact ionization dominates on this time scale.

© 2015 Optical Society of America

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