First-principles calculations of the electron dynamics during femtosecond laser pulse train material interactions

C Wang,L Jiang,F Wang,X Li,Y.P Yuan,H.L Tsai

doi:10.1016/j.physleta.2011.07.009

First-principles calculations of the electron dynamics during femtosecond laser pulse train material interactions

C Wang, L Jiang + Show 4 more

https://doi.org/10.1016/j.physleta.2011.07.009

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Journal: Physics Letters A	Publication Date: Jul 18, 2011
Citations: 30

Affiliation: Beijing Institute of Technology

#Femtosecond Pulse Train #Time-dependent Density Functional Method + Show 8 more

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Abstract

This Letter presents first-principles calculations of nonlinear electron–photon interactions in crystalline SiO2 ablated by a femtosecond pulse train that consists of one or multiple pulses. A real-time and real-space time-dependent density functional method (TDDFT) is applied for the descriptions of electrons dynamics and energy absorption. The effects of power intensity, laser wavelength (frequency) and number of pulses per train on the excited energy and excited electrons are investigated.

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