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

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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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) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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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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