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Complete determination of the state multipoles of rotationally resolved polarized fluorescence using a single experimental geometry

Bain, AJ; McCaffery, AJ; (1984) Complete determination of the state multipoles of rotationally resolved polarized fluorescence using a single experimental geometry. The Journal of Chemical Physics , 80 (12) pp. 5883-5892. 10.1063/1.446692. Green open access

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Abstract

When laser radiation is used to prepare single rovibronic levels in molecules, the excited state Mj distribution is invariably polarized. In many such experiments the polarization of the excited state is ignored, which is an inadequate basis for accurate work as much valuable detail is lost. A better approach is a completely polarization resolved experiment in which the preparation, dynamics, and detection of the excited state polarization components (the state multipoles JJρQ K) are fully described. A treatment of polarized excitation in terms of the state multipoles JJρQ K is presented and consideration of excited state symmetry indicates that a common experimental geometry for linearly and circularly polarized excitation is feasible. A complete determination of the state multipoles (K=0,1,2) is shown to be possible within a single experimental geometry. It is shown that neglect of polarization phenomena can lead to ambiguities in the interpretation of some experiments.

Type: Article
Title: Complete determination of the state multipoles of rotationally resolved polarized fluorescence using a single experimental geometry
Open access status: An open access version is available from UCL Discovery
DOI: 10.1063/1.446692
Publisher version: http://dx.doi.org/10.1063/1.446692
Language: English
Additional information: The following article appeared in: Bain, AJ; McCaffery, AJ; (1984) Complete determination of the state multipoles of rotationally resolved polarized fluorescence using a single experimental geometry. The Journal of Chemical Physics, 80 (12) pp. 5883-5892, and may be found at: http://dx.doi.org/10.1063/1.446692. This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing.
Keywords: Excited states, Polarization, Fluorescence
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Physics and Astronomy
URI: https://discovery.ucl.ac.uk/id/eprint/1400112
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