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Conferences > CLEO_SI > 2018 > JW2A > JW2A.116

In-situ visualization of multiple filament competition dynamic of femtosecond laser

Pengfei Qi, Lie Lin, Dan Lu, Qiang Su, Zijie Dai, and Weiwei Liu

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Abstract

In this work, the visualization of multiple filamentation competition has been realized in the experiment performing the three-photon fluorescence of Coumarin 440. The random changes of multiple filamentation stemmed from the jitter of the peak laser intensity ratio of initial hot spots are first observed directly and visually, which can be well explained by a simplified (2D+1)-dimensional model.

© 2018 The Author(s)

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