Real time transmittance function in photopolymers of acrylamide composition: noise gratings

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Title: Real time transmittance function in photopolymers of acrylamide composition: noise gratings
Authors: Carretero López, Luis | Blaya Escarre, Salvador | Fimia Gil, Antonio | Beléndez, Augusto | Madrigal Madrigal, Roque Fernando
Research Group/s: Holografía y Procesado Óptico
Center, Department or Service: Universidad de Alicante. Departamento de Óptica, Farmacología y Anatomía | Universidad de Alicante. Departamento de Física, Ingeniería de Sistemas y Teoría de la Señal | Universidad Miguel Hernández. Departamento de Ciencia de Materiales, Óptica y Tecnología Electrónica
Keywords: Holography | Holographic recording materials | Photopolymers | Noise gratings
Knowledge Area: Óptica | Física Aplicada
Date Created: 1996
Issue Date: 20-Dec-1996
Publisher: SPIE, The International Society for Optical Engineering
Citation: CARRETERO LÓPEZ, Luis, et al. "Real time transmittance function in photopolymers of acrylamide composition: noise gratings". En: Holographic and diffractive techniques : 9-11 October 1996, Berlin, FRG. Bellingham, Wash. : SPIE, 1996. (Proceedings of SPIE; Vol. 2951). ISBN 978-0-81942-355-9, pp. 20-24
Abstract: Photopolymers have been analyzed as holographic recording materials by measuring their diffraction efficiency in relation to the index modulation that is obtained with these materials, their spatial response and their energetic and spectral sensitivities. However, even though they are considered good recording materials for the storage of information and for the production of holographic optical elements, little information has been offered on the image quality that these recording materials produce. Among the different sources of noise in holography, noise gratings have been analyzed extensively in photographic emulsion due to the granular nature of these recording materials. However, information about photopolymers is quite scare. For material that work in real time, it is the transmittance function which measures the appearance of noise gratings given that the presence of this noise source manifests itself when transmitted light decreases due to diffraction. We present a theoretical model that relates the photopolymer transmittance function response with the noise grating structure. In keeping with the experiments we can say that noise gratings also appear in photopolymers which proves the presence of a certain granular structure in these materials. Their appearance and storage in these materials can be used as a methodology for the optimization of these recording materials.
Sponsor: This work was partially supported by the CICYT, Spain, under projects MAT93-0369 and MAT96-1767-E.
ISBN: 978-0-81942-355-9
ISSN: 0277-786X
DOI: 10.1117/12.262425
Language: eng
Type: info:eu-repo/semantics/article
Rights: Copyright 1996 Society of Photo-Optical Instrumentation Engineers. This paper was published in Proceedings of SPIE, vol. 2951, and is made available as an electronic reprint with permission of SPIE. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.
Peer Review: si
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