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液晶软光子学——光场的多自由度调控

Liquid crystal soft mattonics——multi-degree manitipulation of light

  • 摘要: 液晶是一类典型的软物质。它具有优异的外场调谐特性以及多层级的组装结构特征。文章介绍了作者在液晶光控取向技术及其光学应用方面取得的进展,如对液晶进行图案化编码实现任意液晶微结构的制备及多层级操纵,对光场的振幅、相位、偏振及波长等多自由度进行灵活、高效的调控,实现功能可调的液晶太赫兹器件等。

     

    Abstract: Liquid crystal is a typical soft matter, with excellent external field tunability and hierarchical self-assembly. Here we present our recent work on the use of photo-alignment to manipulate the microstructure and even hierarchical structure of liquid crystals, resulting in various novel physical effects. Liquid crystal microstructures of arbitrary design have been fabri- cated by photo-patterning, which enables flexible and efficient control of the multi-dimensional parameters of light such as the amplitude, phase, polarization and wavelength. Liquid crystal based tunable terahertz devices have also been devised.

     

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