Femtosecond time-resolved studies of the dynamics of noble-gas cluster explosions
- 1 May 1999
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review A
- Vol. 59 (5) , R3166-R3169
- https://doi.org/10.1103/physreva.59.r3166
Abstract
We have examined the dynamics of noble-gas clusters, heated with high-intensity laser radiation, using pump-probe experiments to temporally resolve the expansion of the clusters. Absorption of the probe radiation is observed to reach a maximum for a particular time delay between pump and probe, dependent on the cluster size. For single-pulse experiments, we find that there is an optimal pulse width to maximize absorption for a given cluster size. Model calculations suggest that these effects are due to resonant heating of the spherical cluster plasma in full support of a hydrodynamic interpretation of cluster interactions.Keywords
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