See-through display based on commercial photopolymer: Optimization and shrinkage effects

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Title: See-through display based on commercial photopolymer: Optimization and shrinkage effects
Authors: Sirvent-Verdú, Joan Josep | Bravo Francés, Juan Carlos | Colomina-Martínez, Jaume | Neipp, Cristian | Puerto, Daniel | Márquez, Andrés | Gallego, Sergi
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. Instituto Universitario de Física Aplicada a las Ciencias y las Tecnologías
Keywords: Holographic optical elements | Photopolymers | Optimization | Shrinkage effects
Issue Date: 24-May-2023
Publisher: Elsevier
Citation: Heliyon. 2023, 9(6): e16646.
Abstract: Nowadays augmented reality, 3D Image, mixed reality and see-through applications are very attractive technologies due to their great potential. Holographic optical elements can provide interesting solutions for injection and extraction of the image in the waveguides that are part of the see-through devices. We have developed a coupled waveguide system based on slanted transmission gratings recorded in manufactured photopolymers. In this work we optimize our schedule to a commercial photopolymer for this high demanded application. We demonstrate that high diffraction efficiencies can be obtained if we optimize the recording geometry, recording intensity and recording time for this material. In addition, we study the effects of shrinkage in our holographic system. In general shrinkage is an important drawback for holographic applications, nevertheless we demonstrate how shrinkage can help these systems open new possibilities. Lastly, we show how to significantly improve the quality of the guided image.
Sponsor: The work was supported by the “Generalitat Valenciana” (Spain) project PROMETEO/2021/006 and by the ‘‘Universidad de Alicante’’ (UATALENTO18-10; ACIE-20-10). Generalitat Valenciana (Spain) (IDIFEDER/2021/014, cofunded by European Union through the FEDER Programme and “Ministerio de Ciencia e Innovación” of Spain (project PID2021-123124OB-I00).
ISSN: 2405-8440
DOI: 10.1016/j.heliyon.2023.e16646
Language: eng
Type: info:eu-repo/semantics/article
Rights: © 2023 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY license (
Peer Review: si
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