Control of HOD photodissociation dynamics via bond-selective infrared multiphoton excitation and a femtosecond ultraviolet laser pulse

Research output: Contribution to journalJournal article – Annual report year: 1992Researchpeer-review

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A scheme for controlling the outcome of a photodissociation process is studied. It involves two lasers—one intense laser in the infrared region which is supposed to excite a particular bond in the electronic ground state, and a second short laser pulse in the ultraviolet region which, at the right moment, excites the molecule to a dissociative electronic state. We consider the HOD molecule which is ideal due to the local mode structure of the vibrational states. It is shown that selective and localized bond stretching can be created in simple laser fields. When such a nonstationary vibrating HOD molecule is photodissociated with a short laser pulse (~5 fs) complete selectivity between the channels H+OD and D+OH is observed over the entire absorption band covering these channels. The Journal of Chemical Physics is copyrighted by The American Institute of Physics.
Original languageEnglish
JournalJournal of Chemical Physics
Volume97
Issue number11
Pages (from-to)8285-8295
ISSN0021-9606
DOIs
Publication statusPublished - 1992

Bibliographical note

Copyright (1992) 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

  • SEQUENCE INDUCED CONTROL, STATE, POTENTIAL-ENERGY, 1ST ABSORPTION-BAND, BREAKING, WATER MOLECULE, UNIMOLECULAR REACTIONS, H2O, QUANTUM-MECHANICAL CALCULATIONS, DEPENDENT SCHRODINGER-EQUATION

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