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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
  • Instituto Nacional de Astrofísica Óptica y Electrónica (INAOE)
  • Universidad Veracruzana

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

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.

Original languageEnglish
Title of host publicationLiquid Crystals XVI
DOIs
Publication statusPublished - 1 Dec 2012
EventLiquid Crystals XVI - San Diego, CA, United States
Duration: 12 Aug 201215 Aug 2012

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume8475
ISSN (Print)0277-786X

Conference

ConferenceLiquid Crystals XVI
Country/TerritoryUnited States
CitySan Diego, CA
Period12/08/1215/08/12

Keywords

  • Amorphous silicon
  • Dielectrophoresis
  • Holograms
  • Liquid crystals

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