Two-pulse laser control of bond-selective fragmentation

Research output: Contribution to journalJournal article – Annual report year: 1996Researchpeer-review

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We elaborate on a two-pulse (pump-pump) laser control scheme for selective bond-breaking in molecules [Amstrup and Henriksen, J. Chem. Phys. 97, 8285 (1992)]. We show, in particular, that with this scheme one can overcome the obstacle of intramolecular vibrational relaxation. As an example, we consider an ozone molecule with isotopic substitution, that is, (OOO)-O-16-O-16-O-18. It is shown that asymmetric bond stretching can be created in simple (intense) laser fields. We predict that an alternating high selectivity between the channels O-16+(OO)-O-16-O-18 and (OO)-O-16-O-16+ O-18 can be obtained when such a non-stationary vibrating ozone molecule is photodissociated with short laser pulses (similar to 10-15 fs) with a time delay corresponding to half a vibrational period (similar to 17 fs). (C) 1996 American Institute of Physics.
Original languageEnglish
JournalJournal of Chemical Physics
Volume105
Issue number20
Pages (from-to)9115-9120
ISSN0021-9606
DOIs
Publication statusPublished - 1996

Bibliographical note

Copyright (1996) American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics.

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    Research areas

  • COHERENT CONTROL, SEQUENCE INDUCED CONTROL, 1ST ABSORPTION-BAND, TRIATOMIC-MOLECULES, INFRARED MULTIPHOTON EXCITATION, SCHRODINGER-EQUATION, HOD PHOTODISSOCIATION DYNAMICS, QUANTUM-MECHANICAL CALCULATIONS, ANALYTICAL POTENTIALS, HARTLEY BAND

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