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Two-photon absorption measurements of fluorine-based molecules using femtosecond Z-scan

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Abstract

We present 2PA spectral measurements of new fluorene-based molecules with electron- withdrawing nitro groups measured using femtosecond Z-scans and compare them to picosecond Z-scan results and 2-photon fluorescence. We observe what looks like one-photon resonance enhancement.

© 2005 Optical Society of America

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