Abstract
We realized control of filamentation and white light generation by using the laser induced nonadiabatic molecular alignment, as a means for transient modification of the ionizing medium. In the pump-probe experimental setup [1], the pump pulse induces periodical rotational revivals due to quantum-mechanical discreteness of the rotational eigenfrequencies of the molecules; then the delayed probe pulse experiences a propagating wake of index modification created by the pump pulse. This results in the modification of the filamentation process and the white-light signal.
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