D. Bonacci, S.D. Bosanac, N. Doslic
'Rudjer Boskovic' Institute, bijenicka 54, 10000 Zagreb

Many systems of current interest in physical chemistry are too complex for the full analitical treatment. For example, laser control parameters for manipulation of molecular state population are generaly optimized numericaly. Although the advancement of computer technology eliminated the time consuming note from this approach, it still lacks the depth of theoretical insight that even aproximate analytical calcultion would yield.

We obtained analitical solution of the specific three-level system in strong coherent electric field, extending in this way the classical Rabi theory developed half a century ago for two-level systems. Analitical solution enabled us to explore some details of the system's dynamics, and to determine the relative importance of various physical parameters of the system.