Vol. 21, issue 09, article # 10

pdf Uogintas S. R. Nonresonant interaction of molecules with femtosecond laser pulse. // Atmospheric and oceanic optics. 2008. V. 21. No. 09. P. 697-702.
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Nonresonant interaction of nonpolar molecules with femtosecond laser pulse is considered using the time-dependent perturbation theory. The solution for the density matrix is obtained in the fourth order of the perturbation; and a general expression for the field energy loss is found. The rigid rotor model is used to numerically calculate absorption by molecular nitrogen.


femtosecond pulses, non-resonance interaction, molecules