8 August 2003 Synthesis and characterization of polymers for nonlinear optical applications
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Proceedings Volume 5122, Advanced Organic and Inorganic Optical Materials; (2003) https://doi.org/10.1117/12.515725
Event: 2003 Chapter books, 2003, Bellingham, WA, United States
A difunctional NLO Azo-Dye chromophore has been synthesized and polymerization has been performed with a comonomer bearing a side-chain epoxy group. Deposition of the polymer on glass substrates was performed by spin-coating, resulting in uniform films up to 2 μm thickness. The orientation of the chromophore was performed under a "pin-to-plane" positive corona discharge followed by a heat- treatment in order to obtain reticulation of the films. Molecular orientation has been investigated using UV-Vis. and Raman spectroscopy. Poling of the films results in a decay of absorbance as well as in a blue shift of the spectrum. At the same time, the 1600 cm-1 band disappears from the Raman spectra, indicating orientation of the chromophores. Cross-linking has been studied by FTIR and all-optical poling and showed an improved stability of the electro-optic thin films.
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V. Boucher, V. Boucher, J. Cardin, J. Cardin, Dominique Leduc, Dominique Leduc, R. Seveno, R. Seveno, R. Le Ny, R. Le Ny, H. W. Gundel, H. W. Gundel, C. Boisrobert, C. Boisrobert, S. Legoupy, S. Legoupy, F. Legros, F. Legros, V. Montembault, V. Montembault, F. Odobel, F. Odobel, C. Monnereau, C. Monnereau, E. Blart, E. Blart, D. Bosc, D. Bosc, A. Goullet, A. Goullet, J. Y. Mevellec, J. Y. Mevellec, } "Synthesis and characterization of polymers for nonlinear optical applications", Proc. SPIE 5122, Advanced Organic and Inorganic Optical Materials, (8 August 2003); doi: 10.1117/12.515725; https://doi.org/10.1117/12.515725

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