Large third-order nonlinearities for the excited states of diphenylhexatriene and quaterphenyl measured through time resolved degenerate four-wave mixing

The results demonstrate that time resolved degenerate four wave mixing (DFWM) techniques offers an exceptional method for probing the dynamics of the molecular conformation and orientation after photoexcitation. We have also confirmed the observation large excited-state nonlinear enhancement in DPH...

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Bibliographic Details
Published inProceedings of 1994 Nonlinear Optics: Materials, Fundamentals and Applications pp. 12 - 14
Main Authors Rosker, M.J., Marcy, H.O., Warren, L.F.
Format Conference Proceeding
LanguageEnglish
Published IEEE 1994
Subjects
Four-wave mixing
Gratings
Nonlinear optics
Optical harmonic generation
Optical mixing
Optical pulses
Optical pumping
Solvents
Time measurement
Ultrafast optics
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Summary:The results demonstrate that time resolved degenerate four wave mixing (DFWM) techniques offers an exceptional method for probing the dynamics of the molecular conformation and orientation after photoexcitation. We have also confirmed the observation large excited-state nonlinear enhancement in DPH of Rodenberger et al. and have extended observation of this phenomenon to a new and potentially important class of materials, p-oligophenylenes.< >
ISBN:0780314735
9780780314733
DOI:10.1109/NLO.1994.470898