Optofluidic variable aperture

被引：53

作者：

Hongbin, Yu ^{[1
]}

Guangya, Zhou ^{[1
]}

Siong, Chau Fook ^{[1
]}

Feiwen, Lee ^{[1
]}

机构：

[1] Natl Univ Singapore, Micro Nano Syst Initiat Technol, Dept Mech Engn, Singapore 117576, Singapore

来源：

OPTICS LETTERS | 2008年 / 33卷 / 06期

关键词：

Light transmission - Optical flows - Plastic deformation - Polydimethylsiloxane - Polymeric membranes;

D O I：

10.1364/OL.33.000548

中图分类号：

O43 [光学];

学科分类号：

070207 [光学]; 0803 [光学工程];

摘要：

A variable aperture has been fabricated and demonstrated using polydimethylsiloxane-based optofluidic technology. The device consists of a deformable membrane, an air pressure chamber, a cavity filled with light-absorbing liquid, and a rigid transparent upper plate. The working principle of the device is based on the deformable capability of the thin membrane structure and its resultant contact with the rigid plate. The contact area can be easily controlled by varying the air volume introduced and hence can serve as a light transmission aperture. Experimental results show that aperture diameter can be continuously changed from zero to 6.35 mm. (C) 2008 Optical Society of America.

引用

页码：548 / 550

页数：3

共 18 条

[1]

AMANI DK, 2003, NATURE, V142, P925

[2]

Heavy water detection using ultra-high-Q microcavities [J].