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

Luis Carretero-Lopez; Salvador Blaya-Escarre; Antonio Fimia; Augusto Belendez; Roque F. Madrigal

doi:10.1117/12.262425

20 December 1996 Real-time transmittance function in photopolymers of acrylamide composition: noise gratings

Luis Carretero-Lopez, Salvador Blaya-Escarre, Antonio Fimia, Augusto Belendez, Roque F. Madrigal

Proceedings Volume 2951, Holographic and Diffractive Techniques; (1996) https://doi.org/10.1117/12.262425
Event: Advanced Imaging and Network Technologies, 1996, Berlin, Germany

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.

Citation Download Citation

Luis Carretero-Lopez, Salvador Blaya-Escarre, Antonio Fimia, Augusto Belendez, and Roque F. Madrigal "Real-time transmittance function in photopolymers of acrylamide composition: noise gratings", Proc. SPIE 2951, Holographic and Diffractive Techniques, (20 December 1996); https://doi.org/10.1117/12.262425

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