Abstract
The experimental data on multiphoton excitation of polyatomic molecules in strong fields of high pressure continuously tunable CO2 lasers are presented. The program package for computer simulation of multiphoton excitation spectra and excitation dynamics is developed. Good agreement between computer simulation and experimental data is observed.
Highlights
Since the first observation of multiphoton dissociation (MPD) of polyatomic molecules in a strong IR laser field and demonstration of isotopic selectivity of MPD2 the process of collisionless multiphoton excitation (MPE) of polyatomic molecules have been investigated in many laboratories
It was demonstrated that the main features of MPE are dominated by the complex structure of vibrational-rotational spectrum of polyatomic molecules
The efficiency of excitation in this region reveals the sharp resonance dependence on laser frequency that is determined by the spectral structure of rotation-vibration spectrum of discrete levels (DL)
Summary
The experimental data on multiphoton excitation of polyatomic molecules in strong fields of high pressure continuously tunable COz lasers are presented. The program package for computer simulation of multiphoton excitation spectra and excitation dynamics is developed. Good agreement between computer simulation and experimental data is observed
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