Two-Photon Excitation, Hyper-Raman Scattering, And Excited State Decay Processes For Polyenes In Free Jet Expansions

James S. Horwitz; Takao Itoh; Bryan E. Kohler; Thomas A. Spiglanin

doi:10.1117/12.951650

8 May 1989 Two-Photon Excitation, Hyper-Raman Scattering, And Excited State Decay Processes For Polyenes In Free Jet Expansions

James S. Horwitz, Takao Itoh, Bryan E. Kohler, Thomas A. Spiglanin

Author Affiliations +

Proceedings Volume 1057, Biomolecular Spectroscopy; (1989) https://doi.org/10.1117/12.951650
Event: OE/LASE '89, 1989, Los Angeles, CA, United States

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.

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James S. Horwitz, Takao Itoh, Bryan E. Kohler, and Thomas A. Spiglanin "Two-Photon Excitation, Hyper-Raman Scattering, And Excited State Decay Processes For Polyenes In Free Jet Expansions", Proc. SPIE 1057, Biomolecular Spectroscopy, (8 May 1989); https://doi.org/10.1117/12.951650

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