25 February 2014 Holographic films from carotenoid pigments
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Carotenoids pigments presents in pineapple can be more than just natural dyes, which is one of the applications that now at day gives the chemical industry. In this research shown that can be used in implementing of holographic recording Films. Therefore we describe the technique how to obtain this kind of pigments trough spay drying of natural pineapple juice, which are then dissolved with water in a proportion of 0.1g to 1mL. The obtained sample is poured into glass substrates using the gravity method, after a drying of 24 hours in laboratory normal conditions the films are ready. The films are characterized by recording transmission holographic gratings (LSR 445 NL 445 nm) and measuring the diffraction efficiency holographic parameter. This recording material has good diffraction efficiency and environmental stability.
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S. Toxqui-López, S. Toxqui-López, J. F. Lecona-Sánchez, J. F. Lecona-Sánchez, C. Santacruz-Vázquez, C. Santacruz-Vázquez, A. Olivares-Pérez, A. Olivares-Pérez, I. Fuentes-Tapia, I. Fuentes-Tapia, "Holographic films from carotenoid pigments", Proc. SPIE 9006, Practical Holography XXVIII: Materials and Applications, 90061B (25 February 2014); doi: 10.1117/12.2038578; https://doi.org/10.1117/12.2038578

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