3-dimensional modelling of the DOEs formation in PVA/AA photopolymers

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Title: 3-dimensional modelling of the DOEs formation in PVA/AA photopolymers
Authors: Fernandez, Roberto | Gallego, Sergi | Márquez, Andrés | Francés, Jorge | Neipp, Cristian | Puerto, Daniel | Calzado Estepa, Eva María | Pascual, Inmaculada | Beléndez, Augusto
Research Group/s: Holografía y Procesado Óptico
Center, Department or Service: Universidad de Alicante. Departamento de Física, Ingeniería de Sistemas y Teoría de la Señal | Universidad de Alicante. Departamento de Óptica, Farmacología y Anatomía | Universidad de Alicante. Instituto Universitario de Física Aplicada a las Ciencias y las Tecnologías
Keywords: Diffractive elements | Optical recording materials | Spatial Light Modulators
Knowledge Area: Física Aplicada | Óptica
Issue Date: 1-Apr-2020
Publisher: SPIE, The International Society for Optics and Photonics
Citation: R. Fernández, S. Gallego, A. Márquez, J. Francés, C. Neipp, D. Puerto, E. M. Calzado, I. Pascual, A. Beléndez, "3-dimensional modelling of the DOEs formation in PVA/AA photopolymers," Proc. SPIE 11367, Photosensitive Materials and their Applications, 113671E (1 April 2020); https://doi.org/10.1117/12.2555692
Abstract: Photosensitive materials and optical information processing technologies based on holographic and photonic techniques are suffering a huge improvement. Furthermore Spatial Light Modulators (SLMs) based on LCoS microdisplays (PALCoS) open new possibilities to modulate the wavefront of a light beam. The improving of the models of the photopolymers as optical recording material together with the modelling of PALCoS, high resolution reflective devices, make possible the generation and recording of Diffractive Optical Elements (DOE) on the photosensitive materials. This DOEs have many important applications in photonics, communications of optical information processing. Working with a setup based on a LCoS display as a master, we can store complex DOEs. We used in this work PVA/AA based on acrylamide with coverplating and index matching system to avoid the influence of the thickness variation on the transmitted light in the material. With the 3-Dimensional diffusion model we can predict the DOE properties before recording and optimize the recording time and the exposure dose. Experimental data is compared with the simulation results to evaluate the accuracy of our model to reproduce the recording of any kind of complex DOE onto a photopolymer. This allows us to choose the appropriate characteristics for the material depending on the application and evaluate the influence of different parameters involved in the DOE generation. In this work we evaluate the simulation of the recording of optical vortexes, axicons, fork gratings and diffractive lenses comparing with the results using our experimental set-up.
Sponsor: This work was supported by The Ministerio de Ciencia, Innovación y Universidades (Spain) under project FIS2017-82919-R/(MINECO/AE/FEDER, UE). and FIS2015-66570-P (MINECO/FEDER). R.F. acknowledges the financial support by the Generalitat Valenciana (Spain) under grants APOSTD/2018/.
URI: http://hdl.handle.net/10045/107544
ISSN: 0277-786X | 1996-756X (Online)
DOI: 10.1117/12.2555692
Language: eng
Type: info:eu-repo/semantics/conferenceObject
Rights: Copyright 2020 Society of Photo-Optical Instrumentation Engineers. This paper was published in Proceedings of SPIE, vol. 11367, 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
Publisher version: https://doi.org/10.1117/12.2555692
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