Poster Title

Coulomb Explosion Imaging of Molecular Fragmentation in Femtosecond Pump-Probe Experiment

Presenter Information

Logan RineyFollow

Grade Level at Time of Presentation

Senior

Institution

University of Louisville

KY House District #

42

KY Senate District #

35

Department

Dept. of Physics and Astronomy

Abstract

The Coulomb Explosion Imaging technique is used to study cis- and trans-dichloroethene molecules in the gas phase. The molecules are photo-ionized by 790nm, 25fs near-infrared laser pulses, and the resulting fragments are measured by coincident ion momentum imaging. The experimental data is then compared to numerical simulations of the Coulomb Explosion process carried out by utilizing the 8th order Runge-Kutta Method. This method is used to calculate the kinetic energy released after the molecule has been photo-ionized.

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Coulomb Explosion Imaging of Molecular Fragmentation in Femtosecond Pump-Probe Experiment

The Coulomb Explosion Imaging technique is used to study cis- and trans-dichloroethene molecules in the gas phase. The molecules are photo-ionized by 790nm, 25fs near-infrared laser pulses, and the resulting fragments are measured by coincident ion momentum imaging. The experimental data is then compared to numerical simulations of the Coulomb Explosion process carried out by utilizing the 8th order Runge-Kutta Method. This method is used to calculate the kinetic energy released after the molecule has been photo-ionized.