Abstract
The arrival of femtosecond laser pulses has heralded a new era in which it is possible to interrogate molecular motion on a time scale within a vibrational period and achieve state selection in molecular processes.1 We have included key aspects of the interaction of lasers with molecules in wave packet studies.2 Emphasis has been placed on the process of wave packet excitation and on the traversal of a wave packet through a resonance that couples it to another electronic level (known as a laser-induced crossing). We use both simple models and exact quantum mechanical calculations performed on supercomputers.
© 1994 IEEE
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