镜头(地质)
倾斜(摄像机)
电极
材料科学
锥面
光学
电阻式触摸屏
相(物质)
液晶
戒指(化学)
光轴
图层(电子)
光电子学
化学
复合材料
物理
几何学
纳米技术
电气工程
工程类
物理化学
有机化学
数学
作者
Marenori Kawamura,Yuki Ichimura,Tomoki Sugawara
标识
DOI:10.35848/1347-4065/abed63
摘要
Abstract A three-dimensional numerical calculation for analyzing reorientation in liquid crystal (LC) directors and optical phase retardation in an LC lens, which exhibits a tunable conical lens property, is developed. The proposed LC lens design employs a circular electrode, ring electrodes, and a circularly hole-patterned electrode employing a highly-resistive layer in a flat nematic cell. The three-dimensional tilt and azimuthal angle distributions are calculated. Subsequently, the conical phase retardation in the lens region can be estimated. The experimental results obtained for the optical phase profile agree well with the numerically calculated results.
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