We report the effect of π-conjugation length on three-photon absorption cross-section of fluorene derivatives with different structural motifs. We demonstrate that three-photon absorption is enhanced by extending the conjugated bridge of those systems.
© 2006 Optical Society of America
I. Cohanoschi, K. D. Belfield, C. Toro, and F. E. Hernandez, "The Impact of the π-Conjugation Length on the Three-Photon Absorption Cross-Section of Fluorene Derivatives," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies, Technical Digest (CD) (Optical Society of America, 2006), paper CThI5.
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