Multiphoton excitation dynamics of polyatomic molecules in picosecond scale under laser pulses

摘要

ew report a numerical study of the excitation dynamics of an anharmonic four lcvel system by a shaped laser pulse in the pico-second scale. Using equations of motion for the density matrix of the four discrete levels coupled by the laser field. Both irreversible loss from the topmost level and dephasing due to intramolecular interactions have been included. Parameters of SF_6 have been used for the modeling.