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10 September 2013 Determination of refraction nonlinear index, for effect thermal, of solutions with nanoparticles of gold
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Abstract
Research of nonlinear optical properties of materials for manufacturing opto-electronic devices, had a great growth in the last years. The solutions with nanoparticle metals present nonlinear optical properties. In this work we present the results of characterizing, analyzing and determining the magnitude and sign of the nonlinear refractive index, using the z-scan technique in solutions with nanoparticles of gold, lipoic acid and sodium chloride. We used a continuous Argon laser at 514 nm with variable power, an 18 cms lens, and a chopper. We determined the nonlinear refractive index in the order of 10-9. These materials have potential applications mainly as optical limiters.
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A. Olivares-Vargas, M. Trejo-Durán, E. Alvarado-Méndez, D. Cornejo-Monroy, R. I. Mata-Chávez, J. M. Estudillo-Ayala, and V. Castaño-Meneses "Determination of refraction nonlinear index, for effect thermal, of solutions with nanoparticles of gold", Proc. SPIE 8827, Optical Processes in Organic Materials and Nanostructures II, 88270P (10 September 2013); https://doi.org/10.1117/12.2023397
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