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Fast Response Beam Coupling in Dye Doped Liquid Crystal Cells Sandwiched with ZnSe Coated Substrates

Published online by Cambridge University Press:  02 July 2015

Tingyu Xue ,
Hua Zhao ,
Cuiling Meng ,
Jiayin Fu  and
Jingwen Zhang
Tingyu Xue
Affiliation:
Department of Physics, Harbin Institute of Technology, Harbin 150001, China
Hua Zhao
Affiliation:
Department of Physics, Harbin Institute of Technology, Harbin 150001, China
Cuiling Meng
Affiliation:
Department of Physics, Harbin Institute of Technology, Harbin 150001, China
Jiayin Fu
Affiliation:
Department of Physics, Harbin Institute of Technology, Harbin 150001, China
Jingwen Zhang
Affiliation:
Department of Physics, Harbin Institute of Technology, Harbin 150001, China
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Abstract

In this paper we present fast response processes in dye doped liquid crystal cell with ZnSe layers on electrodes. Two-wave mixing and grating monitoring experiments were performed to characterize this liquid crystal system. With the help of photoconductive layers, the response time was reduced to a few milliseconds, which improved further the response rate in liquid crystal photorefractive system. A peak in response time versus applied voltage and unexpected oscillations in diffraction efficiency dynamics were observed, which implies unconventionally complex charge dynamics associated with SPPs excited at one of the photoconductive layer/liquid crystal interfaces.

Keywords

liquid crystalphotoconductivitysemiconducting
Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 1748: Symposium II – Semiconductor Nanocrystals, Plasmonic Metal Nanoparticles, and Metal-Hybrid Structures , 2015 , mrsf14-1748-ii05-01
Copyright
Copyright © Materials Research Society 2015 

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References

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