Abstract

The research includes preparation of organic dyes as thin films, pure dyes as thin film, pure dyes doped with Poly methyl methacrylate (PMMA) and pure dyes doped PMMA with titanium dioxide nanoparticles (TiO 2 ) to study the linear and nonlinear optical properties. Organic dyes (pure and doped) are interesting materials for nonlinear optical (NLO) and its applications because of their high response nonlinearity and their extended spectral transparency. In this research organic compounds dyes derived from Auraintricarboxylic acid (Schiff's Base), were carried out. Thin films of solutions of dye materials have been deposited on glass substrates. The samples prepared in for concentrations 10 -3 and 10 -6 M and thin films were deposited via drop casting.

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