Abstract

Vibration, rotation, and dissociation of the simple diatomic molecular Cl2+ and H2+ ions perturbed by a strong laser pulse with linear polarization are considered in the framework of classic mechanics. The duration of the laser pulse influences the rotation of the molecular axis and the vibration of the internuclear separation. The molecular axis of the heavy molecular ion Cl2+ is strongly rotated at the end of an ultrashort laser pulse, whereas the alignment of the H2+-ion axis occurs during the rise of a long laser pulse owing to quick dissociation. Angular distributions of protons in dissociation of the H2+ ion are calculated.

© 1998 Optical Society of America

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