Abstract
A new semi-empirical model for a non-perturbative description of interactions of diatomic molecules with 100 fs 1013 W/cm2 laser pulses is developed. Using an N2 molecule as an example, a numerical analysis of the model accuracy is performed, and the electron binding energy is calculated for the ground state and seven excited states. The calculation results are compared with experiment to show good agreement. The time history of the electron-density redistribution in N2 on exposure to IR 5 fs 2·1014–1015 W/cm2 laser pulses at λ = 800 nm is analyzed.
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