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广东工业大学 机电工程学院,广东 广州 510006
[ "苏树钊(1996-),男,广东江门人,硕士研究生,2019年于五邑大学获得学士学位,主要从事液晶透镜成像优化方面的研究。E-mail: 1241541822@qq.com" ]
[ "姜海明(1976-),男,辽宁阜新人,博士,教授,2011年于电子科技大学获得博士学位,主要从事光电子器件、光纤技术和测控技术等方面的研究。E-mail: hmjiang@gdut.edu.cn" ]
收稿日期:2021-11-03,
修回日期:2022-01-12,
纸质出版日期:2022-03
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苏树钊, 姜海明, 夏宏燕, 等. 电控梯度折射率液晶透镜研究进展[J]. 液晶与显示, 2022,37(3):310-341.
Shu-zhao SU, Hai-ming JIANG, Hong-yan XIA, et al. Research progress of electronically controlled gradient refractive index liquid crystal lens[J]. Chinese journal of liquid crystals and displays, 2022, 37(3): 310-341.
苏树钊, 姜海明, 夏宏燕, 等. 电控梯度折射率液晶透镜研究进展[J]. 液晶与显示, 2022,37(3):310-341. DOI: 10.37188/CJLCD.2021-0278.
Shu-zhao SU, Hai-ming JIANG, Hong-yan XIA, et al. Research progress of electronically controlled gradient refractive index liquid crystal lens[J]. Chinese journal of liquid crystals and displays, 2022, 37(3): 310-341. DOI: 10.37188/CJLCD.2021-0278.
梯度折射率液晶透镜是一种可通过调控电场来改变其空间有效折射率分布来实现变焦的光学透镜。由于它具有焦距自由可调、结构紧凑、稳定性良好等优点,在光学透镜领域受到了广泛的关注。本文介绍了电控梯度折射率液晶透镜的基本工作原理,描述了4种电极类型的梯度折射率液晶透镜:边缘电场驱动的液晶透镜、离散多电极型液晶透镜、高阻层电极型液晶透镜、完整电极或无电极层液晶透镜。通过评价具有代表性的例子全面地展示液晶透镜的发展现状,读者可简单、清晰,直观地了解和掌握电控折射率液晶透镜的发展历程与未来方向,为进一步研究电控梯度折射率液晶透镜提供清晰的基础认知与参考方向。
Electronically controlled gradient refractive index liquid crystal lens (EC-GRIN-LCL)is an optical lens that can change the distribution of its spatial refractive index to zoom in out by controlling the electric field. Due to the properties of variable focal length
compact structure and excellent stability
it has been attracting intensive attention in the field of optical lenses. This review introduces the basic working principle of EC-GRIN-LCL and describes four types of liquid crystal lenses driving strategies: (1) by edge electric field
(2) by discrete multi-electrode
(3) by electrode with high resistance layer
and (4) by complete electrode layer or no electrode layer. By introducing
concluding and commenting on the representative instances of the four types of EC-GRIN-LCL
this review aims to provide the readers with a clear basic knowledge
a comprehensive development history and tendency
and a reference for further research of EC-GRIN-LCL.
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