Original paper
The role of surface charge field in two-beam coupling in liquid crystal cells with photoconducting polymer layers
Abstract
In liquid crystal cells with photoconductive poly(N-vinlylcarbazole) polymer layers, an external dc field can be completely screened by surface charge layers that develop at the liquid crystal–polymer interface. Under spatially modulated illumination, surface charge layers can be discharged in bright areas and lead to reorientation and spatially modulated Freedericksz transition. As a result, an asymmetric energy exchange in the photorefractive...
Paper Details
Title
The role of surface charge field in two-beam coupling in liquid crystal cells with photoconducting polymer layers
Published Date
Sep 1, 2004
Journal
Volume
96
Issue
5
Pages
2616 - 2623
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