The multiphoton collisionless dissociation of polyatomic molecules: an intramolecular amplification mechanism

M. Tamir*, R. D. Levine

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

31 Scopus citations

Abstract

A mechanism for a collisionless dissociation of a polyatomic molecule via sequential incoherent absorption of infrared photons is examined. The proposed mechanism has known analogs for macroscopic systems and exhibits the following characteristics. The operational threshold is governed by the pulse energy (and not by the peak power). For a given pulse duration a molecule with a higher anharmonic coupling will require a lower threshold power for dissociation. Past the threshold the dissociation efficiency can approach a limiting value of very nearly unity and the dissociation products will be internally excited.

Original languageEnglish
Pages (from-to)208-214
Number of pages7
JournalChemical Physics Letters
Volume46
Issue number2
DOIs
StatePublished - 1 Mar 1977

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