Variable aperture stop based on the design of a single chamber silicone membrane lens with integrated actuation

被引：31
|
作者：
Draheim, Jan [1 ]
Burger, Tobias [1 ]
Korvink, Jan G. [2 ,3 ]
Wallrabe, Ulrike [1 ]
机构：
[1] Univ Freiburg, Lab Microactuators, Dept Microsyst Engn IMTEK, D-79110 Freiburg, Germany
[2] Univ Freiburg, Lab Simulat, Dept Microsyst Engn IMTEK, D-79110 Freiburg, Germany
[3] Univ Freiburg, Freiburg Inst Adv Studies FRIAS, D-79104 Freiburg, Germany
来源：
OPTICS LETTERS | 2011年 / 36卷 / 11期
关键词：
D O I：
10.1364/OL.36.002032
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
In this Letter we report on the fabrication and testing of an extremely thin variable aperture stop based on the design of a single chamber adaptive membrane lens with integrated actuation. The aperture consists of a ring-shaped piezoelectric bending actuator with an elastic silicone membrane in the center. The formed cavity is filled with a nontransparent fluid and sealed with a glass platelet. In a voltage range up to 80 V, an opening of the aperture of 4.55mm in diameter is obtained. The transmission in comparison to a standard mechanical aperture stop is maximum 6% lower. (C) 2011 Optical Society of America
引用
收藏
页码：2032 / 2034
页数：3
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