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12 June 2006 All-optical poling of DMABI molecules in a polymer matrix
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Proceedings Volume 5946, Optical Materials and Applications; 59460P (2006)
Event: Optical Materials and Applications, 2005, Tartu, Estonia
Many organic compounds in solid state have nonlinear optical properties due to the orientation of the molecules in a polymer matrix. In this work, all-optical poling and second harmonic generation in a composition consisting of 1 mass% of N,N-dimethylaminobenzylidene 1,3-indandione (DMABI) compound in poly(methyl methacrylate) (PMMA) matrix were studied. Thin films were prepared by solvent casting. The 1.064-μm fundamental and 532-nm second harmonic wavelengths of a Nd:YAG laser were used. It is shown that DMABI molecules can be oriented by the method of all- optical poling, and that the process is related to the photoinduced switching between two equally stable states of the molecule.
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Aivars Vembris, Aleksandra Apostoluk, Martins Rutkis, Andrey Tokmakov, Inta Muzikante, Sylvie Dabos-Seignon, and Jean-Michel Nunzi "All-optical poling of DMABI molecules in a polymer matrix", Proc. SPIE 5946, Optical Materials and Applications, 59460P (12 June 2006);

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