Spectroscopy of a,w-dithienyl polyenes: evidence for two-photon absorption states from fluorescence studies

Lalgudi V. Natarajan; Sean M. Kirkpatrick; Richard L. Sutherland; Laura A. Sowards; Charles W. Spangler; Paul A. Fleitz; Thomas M. Cooper

doi:10.1117/12.326884

12 October 1998 Spectroscopy of α,ω-dithienyl polyenes: evidence for two-photon absorption states from fluorescence studies

Lalgudi V. Natarajan, Sean M. Kirkpatrick, Richard L. Sutherland, Laura A. Sowards, Charles W. Spangler, Paul A. Fleitz, Thomas M. Cooper

Author Affiliations +

Proceedings Volume 3472, Nonlinear Optical Liquids for Power Limiting and Imaging; (1998) https://doi.org/10.1117/12.326884
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1998, San Diego, CA, United States

Abstract

The photophysics of a series (alpha) ,(omega) -dithienyl polyenes was studied. Both one photon excited fluorescence and fluorescence originating from two photon absorption states were investigated. There is strong evidence of two photon absorption from fluorescence studies in agreement with our earlier studies involving nonlinear absorption.

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Lalgudi V. Natarajan, Sean M. Kirkpatrick, Richard L. Sutherland, Laura A. Sowards, Charles W. Spangler, Paul A. Fleitz, and Thomas M. Cooper "Spectroscopy of α,ω-dithienyl polyenes: evidence for two-photon absorption states from fluorescence studies", Proc. SPIE 3472, Nonlinear Optical Liquids for Power Limiting and Imaging, (12 October 1998); https://doi.org/10.1117/12.326884

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