Abstract

When the Rydberg atom prepared in an $n_{0}s$ state $(n_0\gg 1)$ is exposed to a sufficiently intense laser pulse of a duration not exceedingly short compared with the initial-state Kepler period, the resulting photoelectron angular distributions are not only governed by the p partial wave but are shown to be shaped by higher-order waves as well, provided that the frequency assumed permits the higher-angular-momentum Rydberg states about the initial $n_{0}s$ state to be involved in the process owing to multiple resonant Raman transitions.

© 1999 Optical Society of America

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