偶氮聚合物向列相液晶电池光栅效率的光学和电光控制

Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals Pub Date : 2001-10-01 DOI:10.1080/10587250108024728

H. Baac, Jae-Hong Park, S. Lee, Suk Hoon Kang, D. Choi

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引用次数: 1

摘要

摘要提出了一种控制偶氮苯聚合物表面向列相液晶电池光栅效率的新方法。在光学控制体制下，由于偶氮苯发色团的强偏振敏感性，可以通过一个泵浦光束的交替偏振开关来控制光栅效应。此外，光栅的效率可以很容易地通过外部交流电场进行调节。

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Optical and Electro-Optical Control of Grating Efficiency in a Nematic Liquid Crystal Cell with Azo Polymer Boundary

Abstract A novel control of the grating efficiency in a nematic liquid crystal cell with an azobenzene polymer surface is proposed. In an optical control regime, the grating effect can be controlled by alternate polarization switchings of one pump beam due to strong polarization sensitivity of azobenzene chromophores. Moreover, the grating efficiency can be easily tuned by an external ac electric field.

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Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals

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