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Proceedings Paper

Influence of a bleaching post-exposure treatment in the performance of H-PDLC devices with high electric conductivity
Author(s): Manuel Ortuño; Andrés Márquez; Sergi Gallego; Roberto Fernandez; Víctor Navarro-Fuster; Augusto Beléndez; Inmaculada Pascual
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Paper Abstract

Holographic polymer dispersed liquid crystals (H-PDLC) are made by holographic recording in a photo-polymerization induced phase separation process in which the liquid crystal molecules diffuse to dark zones in the diffraction grating. The devices with H-PDLC materials develop a dynamic behavior that may be modified by means of an electric field. We study a photopolymer formulation with high diffraction efficiency but with the problem of high electric conductivity. We use a bleaching post-exposure treatment to obtain devices with a better electro-optical performance.

Paper Details

Date Published: 22 August 2014
PDF: 8 pages
Proc. SPIE 9286, Second International Conference on Applications of Optics and Photonics, 92865C (22 August 2014); doi: 10.1117/12.2063540
Show Author Affiliations
Manuel Ortuño, Univ. de Alicante (Spain)
Andrés Márquez, Univ. de Alicante (Spain)
Sergi Gallego, Univ. de Alicante (Spain)
Roberto Fernandez, Univ. de Alicante (Spain)
Víctor Navarro-Fuster, Univ. de Alicante (Spain)
Augusto Beléndez, Univ. de Alicante (Spain)
Inmaculada Pascual, Univ. de Alicante (Spain)

Published in SPIE Proceedings Vol. 9286:
Second International Conference on Applications of Optics and Photonics
Manuel Filipe P. C. Martins Costa; Rogério Nunes Nogueira, Editor(s)

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