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Proceedings Paper

Two-Photon Excitation, Hyper-Raman Scattering, And Excited State Decay Processes For Polyenes In Free Jet Expansions
Author(s): James S. Horwitz; Takao Itoh; Bryan E. Kohler; Thomas A. Spiglanin
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Paper Abstract

High resolution emission spectra, 1-photon and 2-photon excitation spectra, vibronic level decay times and saturation behavior have been measured for the polyenes diphenylbutadiene and diphenylhexatriene seeded in supersonic helium expansions. For isolated diphenylbutadiene hyper-Raman scattering enhanced by 2-photon resonances has also been observed. Take together with spectroscopic studies of the static vapors, these data provide a detailed picture of the nature of the most probable intramolecular excited state decay processes as a function of vibronic energy for these flexible molecules.

Paper Details

Date Published: 8 May 1989
PDF: 10 pages
Proc. SPIE 1057, Biomolecular Spectroscopy, (8 May 1989); doi: 10.1117/12.951650
Show Author Affiliations
James S. Horwitz, University of California (United States)
Takao Itoh, University of California (United States)
Bryan E. Kohler, University of California (United States)
Thomas A. Spiglanin, University of California (United States)

Published in SPIE Proceedings Vol. 1057:
Biomolecular Spectroscopy
Robert R. Birge; Henry H. Mantsch, Editor(s)

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