FLEXIBLE MIRROR MICROMACHINED IN SILICON

被引：168

作者：

VDOVIN, G ^{[1
]}

SARRO, PM ^{[1
]}

机构：

[1] DELFT INST MICROELECTR & SUBMICRON TECHNOL,2600 GB DELFT,NETHERLANDS

来源：

APPLIED OPTICS | 1995年 / 34卷 / 16期

关键词：

D O I：

10.1364/AO.34.002968

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

An electrostatically controlled flexible mirror has been fabricated on a silicon chip by means of bulk micromachining. The mirror has a 10.5 mm x 10.5 mm square aperture and consists of a 0.5-mu m-thick tensile-stressed silicon-nitride diaphragm coated with a 0.2-mu m-thick reflective aluminum layer. The reflecting surface is initially plane with a mean-square deviation of similar to lambda/8 for lambda = 633 nm. The shape of the reflecting surface is controlled electrostatically by an array of integrated actuators. Good initial optical quality and the possibility of electrostatic control of the reflecting surface make the on-chip mirror useful for various electro-optical applications.

引用

页码：2968 / 2972

页数：5

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