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Femtosecond to Nanosecond Characterization of the excited- state properties of polymethine molecules

R.S. Lepkowicz, J. Fu, C.M. Cirloganu, O.V. Przhonska, D. J. Hagan, E. W. Van Stryland, M.V. Bondar, and Yu. L. Slominsky

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Abstract

Saturation limits excited-state absorption (ESA) in many organic molecules. This was studied in polymethines using continuum spectroscopy to determine ESA spectra, two-color pump-probe anisotropy for transition dipole moment orientations, picosecond and nanosecond z- scans and nonlinear transmission measurements.

© 2004 Optical Society of America

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