Tunable-focus flat liquid crystal spherical lens

被引：191

作者：

Ren, HW ^{[1
]}

Fan, YH ^{[1
]}

Gauza, S ^{[1
]}

Wu, ST ^{[1
]}

机构：

[1] Univ Cent Florida, Sch Opt, Orlando, FL 32816 USA

来源：

APPLIED PHYSICS LETTERS | 2004年 / 84卷 / 23期

关键词：

D O I：

10.1063/1.1760226

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

A tunable-focus spherical lens using two flat substrates and inhomogeneous electric field over a homogeneous liquid crystal (LC) layer is demonstrated. The top flat substrate has an imbedded spherical indium-tin-oxide (ITO) electrode and the bottom has a planar ITO electrode on its inner surface. The inhomogeneous electric field generates a centrosymmetric gradient refractive index profile within the LC layer which causes the focusing behavior. The focal length of the LC lens can be tuned continuously from infinity to 0.6 m by the applied voltage. (C) 2004 American Institute of Physics.

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页码：4789 / 4791

页数：3

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