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Published 1983 | Published
Journal Article Open

Picosecond Laser Chemistry in Supersonic Jet Beams


In this review we describe the development and the applications of the picosecond-jet technique, which utilizes a picosecond laser and a supersonically-cold jet beam of large molecules. The applications include studies of coherence (quantum beats), photodissociation, isomerization, and partial solvation. The results emphasize the role of intramolecular energy redistribution, and provide evidence for intramolecular threshold effect for rates vs. excess molecular energy. Simple theory for this redistribution of energy among certain modes in molecules is given, and comparison with RRKM calculation is also made to assess the nature of the statistical behavior for the redistribution.

Additional Information

Copyright © 1983 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. This work was supported by grants from the National Science Foundation (CHE8112833 and DMR8105034). would like to thank Professors R. Marcus and J. Hopfield for enlightening discussions, and members of my research group who worked with dedication to make this research possible. [A.H.Z. was a] Camille and Henry Dreyfus Foundation Teacher-Scholar. Laser Spectroscopy and Chemistry in Jet Beams, Laser Chemistry, 2, special issue 2, http://www.hindawi.com/journals/lc/volume-2/si.2.html.

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October 16, 2023