Nopal Cactus (Opuntia Ficus-Indica) as a Holographic Material
AbstractThe nopal cactus (Opuntia ficus-indica) releases a substance through its mucilage, which comes from the degradation of pectic substances and chlorophyll. Combined in a polyvinyl alcohol matrix, this substance can be used as a recording medium. The resulting extract material has excellent photosensitizer properties, is easy to handle, has a low cost, and low toxicity. This material has the property of self-developing, and it can be used in holographic applications. The polyvinyl alcohol and extract from the nopal cactus was deposited by a gravity technique on a glass substrate, which dried to form a photosensitive emulsion. We show experimental results on a holographic grating using this material, written by a He-Cd laser (442 nm). We obtained diffraction gratings by transmission with a diffraction efficiency of approximately 32.3% to first order.
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Olivares-Pérez, A.; Toxqui-López, S.; Padilla-Velasco, A.L. Nopal Cactus (Opuntia Ficus-Indica) as a Holographic Material. Materials 2012, 5, 2383-2402.
Olivares-Pérez A, Toxqui-López S, Padilla-Velasco AL. Nopal Cactus (Opuntia Ficus-Indica) as a Holographic Material. Materials. 2012; 5(11):2383-2402.Chicago/Turabian Style
Olivares-Pérez, Arturo; Toxqui-López, Santa; Padilla-Velasco, Ana L. 2012. "Nopal Cactus (Opuntia Ficus-Indica) as a Holographic Material." Materials 5, no. 11: 2383-2402.