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Materials 2012, 5(11), 2383-2402; doi:10.3390/ma5112383
Article

Nopal Cactus (Opuntia Ficus-Indica) as a Holographic Material

1,* , 2 and 2
1 Optical Department, National Institute of Astrophysics Optics and Electronics (INAOE), Luis Enrique Erro No.1, Tonantzintla, Puebla 72840, Mexico 2 Engineering Faculty, Autonomous University of Puebla, Puebla 72000, Mexico
* Author to whom correspondence should be addressed.
Received: 21 September 2012 / Revised: 8 October 2012 / Accepted: 23 October 2012 / Published: 20 November 2012
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Abstract

The 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.
Keywords: holographic material; diffraction gratings; holography; pheophytins; biopolymer; nanosciences; chlorophyll holographic material; diffraction gratings; holography; pheophytins; biopolymer; nanosciences; chlorophyll
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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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.

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