Optodielectrophoretic hologram recording in hybrid liquid crystals devices

A. Fuentes Garcia; M. C. Granados Luyando; M. H. Vazquez Nicolas; Pere Roca i Cabarrocas; J. C. Ramirez-San-Juan; R. Ramos Garcia

doi:10.1117/12.930756

11 October 2012 Optodielectrophoretic hologram recording in hybrid liquid crystals devices

A. Fuentes Garcia, M. C. Granados Luyando, M. H. Vazquez Nicolas, Pere Roca i Cabarrocas, J. C. Ramirez-San-Juan, R. Ramos Garcia

Author Affiliations +

Proceedings Volume 8475, Liquid Crystals XVI; 84750X (2012) https://doi.org/10.1117/12.930756
Event: SPIE Organic Photonics + Electronics, 2012, San Diego, California, United States

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.

Citation Download Citation

A. Fuentes Garcia, M. C. Granados Luyando, M. H. Vazquez Nicolas, Pere Roca i Cabarrocas, J. C. Ramirez-San-Juan, and R. Ramos Garcia "Optodielectrophoretic hologram recording in hybrid liquid crystals devices", Proc. SPIE 8475, Liquid Crystals XVI, 84750X (11 October 2012); https://doi.org/10.1117/12.930756

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