Organic photorefractive polymer based in a nonlinear optical chromophore boronate derivative

J. L. Maldonado; G. Ramos-Ortíz; O. Barbosa-García; M. A. Meneses-Nava; M. Olmos-López; D. Rodríguez; H. Reyes; B. Muñoz; N. Farfán

doi:10.1117/12.674465

10 February 2006 Organic photorefractive polymer based in a nonlinear optical chromophore boronate derivative

J. L. Maldonado, G. Ramos-Ortíz, O. Barbosa-García, M. A. Meneses-Nava, M. Olmos-López, D. Rodríguez, H. Reyes, B. Muñoz, N. Farfán

Author Affiliations +

Proceedings Volume 6046, Fifth Symposium Optics in Industry; 60460X (2006) https://doi.org/10.1117/12.674465
Event: Fifth Symposium Optics in Industry, 2005, Santiago De Queretaro, Mexico

Abstract

The preparation and characterization of organic photorefractive polymer composites derived from (2-(p-chlorophenyl)-(3'-nitrobenzo[d])-(4''-methoxybenzo[h])-1,3-dioxa-6-aza-2-boracyclonon-6-ene, a push-pull boronate, which shows NLO properties, are described. The polymers are based in the photoconductor poly(9-vinylcarbazole) and the plasticizer 9-ethylcarbazole PVK:ECZ matrix, and C₆₀ as sensitizer. For the photorefractive performance, two different chromophore concentrations were used, in addition, the ratio of PVK:ECZ was varied to see the effect on the room temperature molecular orientation. Holographic experiments in a tilted four and two wave mixing geometry were performed by using a 10 mW He-Ne laser (632.8 nm). The experiments were performed at room temperature, with a fixed grating spacing Λ of 2.9 μm, for determining the electric field steady-state diffraction efficiency dependency and the optical gain of the composites. Acceptable photorefractive properties were observed for a polymer with a glass transition temperature T_g of 77°C. Even at this T_g, the response time was less than one second.

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J. L. Maldonado, G. Ramos-Ortíz, O. Barbosa-García, M. A. Meneses-Nava, M. Olmos-López, D. Rodríguez, H. Reyes, B. Muñoz, and N. Farfán "Organic photorefractive polymer based in a nonlinear optical chromophore boronate derivative", Proc. SPIE 6046, Fifth Symposium Optics in Industry, 60460X (10 February 2006); https://doi.org/10.1117/12.674465

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