Three-photon absorption spectroscopy: The L(1Φ3) and m(31) states of HCl and DCl

Ágúst Kvaran, Huasheng Wang

Research output: Contribution to journalArticlepeer-review

Abstract

Analysis of (3 + 1) REMPI room temperature spectra by use of three-photon absorption modelling allowed, for the first time, identification and characterization of Ω = 3, φ states (L(1Φ3)) in HCl and DCl and of the m(31) state in DCl. Simulation analyses and determination of isotope shifts allowed evaluation of vibrational and rotational spectroscopic parameters for both states and both molecules. The mechanism of three-photon absorption in the m(31) ← X(1Σ+) transition is discussed.

Original languageEnglish
Pages (from-to)3513-3519
Number of pages7
JournalMolecular Physics
Volume100
Issue number22
DOIs
Publication statusPublished - 20 Nov 2002

Bibliographical note

Funding Information: The financial support of the University Research Fund, University of Iceland and the Icelandic Science Foundation is gratefully acknowledged. We would also like to thank Benedikt G. Waage and J6n Matthiasson for useful help with this project.

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