Variable-focus liquid lens

被引：223

作者：

Ren, Hongwen ^{[1
]}

Wu, Shin-Tson ^{[1
]}

机构：

[1] Univ Cent Florida, Coll Opt & Photon, Orlando, FL 32816 USA

来源：

OPTICS EXPRESS | 2007年 / 15卷 / 10期

关键词：

D O I：

10.1364/OE.15.005931

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A variable-focus liquid lens using a transparent flat cell is demonstrated. The top substrate has an aperture which is sealed with a thin elastic membrane on the outer surface and the bottom aperture is sealed on the inner surface of the bottom substrate. By applying a pressure to the outer membrane inward causes the liquid to redistribute and swell the inner membrane outward which, in turn, forms a plano-convex lens. To prove principles, a water lens with 5 mm aperture was fabricated. The resolution is better than 25 1p/mm and the response time is similar to 40 ms. Potential applications of such a lens for real-time active imaging are emphasized. (C) 2007 Optical Society of America

引用

页码：5931 / 5936

页数：6

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