An electrically tunable optical zoom system using two composite liquid crystal lenses with a large zoom ratio

被引：96

作者：

Lin, Yi-Hsin ^{[1
]}

Chen, Ming-Syuan ^{[1
]}

Lin, Hung-Chun ^{[1
]}

机构：

[1] Natl Chiao Tung Univ, Dept Photon, Hsinchu 30010, Taiwan

来源：

OPTICS EXPRESS | 2011年 / 19卷 / 05期

关键词：

FOCAL LENGTH;

D O I：

10.1364/OE.19.004714

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

An electrically tunable-focusing optical zoom system using two composite LC lenses with a large zoom ratio is demonstrated. The optical principle is investigated. To enhance the electrically tunable focusing range of the negative lens power of the LC lens for a large zoom ratio, we adopted two composite LC lenses. Each composite LC lens consists of a sub-LC lens and a planar polymeric lens. The zoom ratio of the optical zooming system reaches similar to 7.9:1 and the object can be zoomed in or zoomed out continuously at the objective distance of infinity to 10 cm. The potential applications are cell phones, cameras, telescope and pico projectors. (C) 2011 Optical Society of America

引用

收藏

页码：4714 / 4721

页数：8

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