Driving method for liquid crystal lens to increase focus range

被引：3
|
作者：
Chen, Xiaoxi [1 ]
Li, Guangyong [1 ]
Li, Pengwei [1 ]
Ye, Mao [1 ]
机构：
[1] Univ Elect Sci & Technol China, Sch Optoelect Sci & Engn, Chengdu 610054, Sichuan, Peoples R China
来源：
ELECTRONICS LETTERS | 2019年 / 55卷 / 06期
关键词：
aberrations; lenses; liquid crystal devices; liquid crystals; optical focusing; positive lens states; voltages; liquid crystal lens; focus range; negative lens states; SYSTEM;
D O I：
10.1049/el.2018.7146
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A new method of voltage application is proposed to increase the focus range of a liquid crystal lens driven by two voltages. It is possible for the optical power of the liquid crystal lens to change in a wider range, while the root mean square aberration of low level is maintained. The liquid crystal lens is driven by a frequency of the voltages different in positive and negative lens states to obtain its largest optical power in each state. An obvious increase in focus range is realised.
引用
收藏
页码：336 / +
页数：2
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