The role of surface charge field in two-beam coupling in liquid crystal cells with photoconducting polymer layers

M. Kaczmarek; A. Dyadyusha; S. Slussarenko; I. C. Khoo

doi:10.1063/1.1778818

The role of surface charge field in two-beam coupling in liquid crystal cells with photoconducting polymer layers

M. Kaczmarek
, A. Dyadyusha
, S. Slussarenko
, I. C. Khoo

Electrical Engineering

Research output: Contribution to journal › Article › peer-review

108 Scopus citations

Abstract

The role of surface effects and their contribution to reorientation in the two-beam coupling process on structures containing liquid crystals and photoconducting polymer layers was investigated. It was found that surface charge layers could be discharged in bright areas and led to reorientation and spatially modulated Freedericksz transition. A high two-beam coupling gain was observed when the reorientation grating is π/2 phase shifted from the interference pattern. It was stated that the process of buildup and discharge of surface charge layer was responsible two-beam coupling gain.

Original language	English (US)
Pages (from-to)	2616-2623
Number of pages	8
Journal	Journal of Applied Physics
Volume	96
Issue number	5
DOIs	https://doi.org/10.1063/1.1778818
State	Published - Sep 1 2004

All Science Journal Classification (ASJC) codes

General Physics and Astronomy

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10.1063/1.1778818

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title = "The role of surface charge field in two-beam coupling in liquid crystal cells with photoconducting polymer layers",

abstract = "The role of surface effects and their contribution to reorientation in the two-beam coupling process on structures containing liquid crystals and photoconducting polymer layers was investigated. It was found that surface charge layers could be discharged in bright areas and led to reorientation and spatially modulated Freedericksz transition. A high two-beam coupling gain was observed when the reorientation grating is π/2 phase shifted from the interference pattern. It was stated that the process of buildup and discharge of surface charge layer was responsible two-beam coupling gain.",

author = "M. Kaczmarek and A. Dyadyusha and S. Slussarenko and Khoo, \{I. C.\}",

note = "Funding Information: Authors would like to thank R. W. Eason for useful discussions and advice regarding this work. Authors acknowledge the financial support of the Engineering and Physical Science Research Council (EPSRC) under Grant No. GR/R2735.",

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AU - Kaczmarek, M.

AU - Dyadyusha, A.

AU - Slussarenko, S.

AU - Khoo, I. C.

N1 - Funding Information: Authors would like to thank R. W. Eason for useful discussions and advice regarding this work. Authors acknowledge the financial support of the Engineering and Physical Science Research Council (EPSRC) under Grant No. GR/R2735.

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N2 - The role of surface effects and their contribution to reorientation in the two-beam coupling process on structures containing liquid crystals and photoconducting polymer layers was investigated. It was found that surface charge layers could be discharged in bright areas and led to reorientation and spatially modulated Freedericksz transition. A high two-beam coupling gain was observed when the reorientation grating is π/2 phase shifted from the interference pattern. It was stated that the process of buildup and discharge of surface charge layer was responsible two-beam coupling gain.

AB - The role of surface effects and their contribution to reorientation in the two-beam coupling process on structures containing liquid crystals and photoconducting polymer layers was investigated. It was found that surface charge layers could be discharged in bright areas and led to reorientation and spatially modulated Freedericksz transition. A high two-beam coupling gain was observed when the reorientation grating is π/2 phase shifted from the interference pattern. It was stated that the process of buildup and discharge of surface charge layer was responsible two-beam coupling gain.

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JO - Journal of Applied Physics

JF - Journal of Applied Physics

IS - 5

ER -

The role of surface charge field in two-beam coupling in liquid crystal cells with photoconducting polymer layers

Abstract

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