Progress of liquid crystal based terahertz wavefront modulators

Yan-chun SHEN; Jin-lan WANG; Qiao-lian WANG; Zhi-xiong SHEN; Wei HU

doi:10.37188/YJYXS20203507.0762

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Progress of liquid crystal based terahertz wavefront modulators

Frontier Optical Devices | 更新时间：2020-07-13

- Progress of liquid crystal based terahertz wavefront modulators
- Chinese Journal of Liquid Crystals and Displays Vol. 35, Issue 7, Pages: 762-775(2020)
- 作者机构：
  
  1.广州铁路职业技术学院信息工程学院, 广东广州 510430
  2.南京大学现代工程与应用科学学院, 江苏南京 210093
- 作者简介：
- 基金信息：
  
  Science and Technology Program of Guangdong(2017A010101022)
- DOI：10.37188/YJYXS20203507.0762
  CLC： O436;O753.2
- Received：21 April 2020，
  
  Revised：26 April 2020，
  
  Accepted：26 April 2020，
  
  Published：05 July 2020
- 稿件说明：
移动端阅览
Yan-chun SHEN, Jin-lan WANG, Qiao-lian WANG, et al. Progress of liquid crystal based terahertz wavefront modulators[J]. Chinese journal of liquid crystals and displays, 2020, 35(7): 762-775.
DOI：

Yan-chun SHEN, Jin-lan WANG, Qiao-lian WANG, et al. Progress of liquid crystal based terahertz wavefront modulators[J]. Chinese journal of liquid crystals and displays, 2020, 35(7): 762-775. DOI： 10.37188/YJYXS20203507.0762.

摘要

液晶作为宽波段外场可调谐材料在太赫兹波段具有显著的应用优势，有望实现高效、动态的太赫兹波前调控。本文简要综述了近年来南京大学液晶与微纳光学研究组和其他科研团队在基于液晶的太赫兹波前调控器件领域展开的部分研究，包括基于纯液晶的太赫兹调波器件和基于液晶集成超构表面的太赫兹调波器件两类，系统阐述了这些器件的动态可调谐、多样化功能的特征以及潜在的应用前景，并对液晶技术与太赫兹技术相结合的发展趋势进行了展望。

Abstract

Liquid crystal

with a broadband external field induced tunability

has obvious application advantages in the terahertz band. It is expected to realize efficient and active terahertz wavefront modulation. This article briefly summarizes some of the recent researches carried out by the group of liquid crystal and micro/nano optics of Nanjing University and other research teams in the field of liquid crystal based terahertz wavefront modulators. There are mainly two types

including pure liquid crystal based modulators and liquid crystal integrated metadevices. The characteristics of the dynamic tunability

diversified functions and potential application prospects of these devices are systematically described. The development trend of the combination of liquid crystal and terahertz technology is also discussed.

关键词

Keywords

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