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IR laser photochemistry of O3and OCS. The first multiphoton dissociation of triatomic molecules

Authors
Journal
Chemical Physics Letters
0009-2614
Publisher
Elsevier
Publication Date
Volume
61
Issue
3
Identifiers
DOI: 10.1016/0009-2614(79)87142-0
Disciplines
  • Physics

Abstract

Abstract Experimental evidence is reported for the IR multiple-photon dissociation of O 3 and OCS. A pulsed UV-laser permitting a time resolution of 20 ns was used to follow the decomposition of O 3 after an intense CO 2-laser pulse. Dissociation continues several μs after the end of IR excitation. OCS was dissociated in a molecular-beam experiment. The threshold intensity is 1.3 × 10 8 W/cm 2 with the P24 line in the 9.6 ωm band of the CO 2 laser.

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