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Proceedings Paper

Optodielectrophoretic hologram recording in hybrid liquid crystals devices
Author(s): A. Fuentes Garcia; M. C. Granados Luyando; M. H. Vazquez Nicolas; Pere Roca i Cabarrocas; J. C. Ramirez-San-Juan; R. Ramos Garcia
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Paper Abstract

Optodielectrophoresis has been shown to be an interesting tool for massive manipulation of microparticles using external electric fields. Here, no electrode fabrication is need it since they are created by the light distribution incident onto a photoconducting material. We propose the use of this device for the recording of dynamic holograms in hydrogenated amorphous silicon (a:Si-H)-liquid crystals hybrid devices. The device consists of 5CB liquid crystal sandwiched between a photoconductive a:Si-H substrate and an ITO covered glass-plate. Diffraction efficiency of 3.3% is obtained when holograms are recorded with a low power He-Ne laser.

Paper Details

Date Published: 11 October 2012
PDF: 7 pages
Proc. SPIE 8475, Liquid Crystals XVI, 84750X (11 October 2012); doi: 10.1117/12.930756
Show Author Affiliations
A. Fuentes Garcia, Instituto Nacional de Astrofísica, Óptica y Electrónica (Mexico)
M. C. Granados Luyando, Instituto Nacional de Astrofísica, Óptica y Electrónica (Mexico)
M. H. Vazquez Nicolas, Univ. Veracruzana (Mexico)
Pere Roca i Cabarrocas, PICM, L'Ecole Polytechnique (France)
J. C. Ramirez-San-Juan, Instituto Nacional de Astrofísica, Óptica y Electrónica (Mexico)
R. Ramos Garcia, Instituto Nacional de Astrofísica, Óptica y Electrónica (Mexico)


Published in SPIE Proceedings Vol. 8475:
Liquid Crystals XVI
Iam Choon Khoo, Editor(s)

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