MEMS actuated deformable mirror

被引:0
|
作者
Papavasiliou, Alexandros [1 ]
Olivier, Scot [1 ]
Barbee, Troy [1 ]
Walton, Chris [1 ]
Cohn, Michael [2 ]
机构
[1] Lawrence Livermore Natl Lab, 7000 East Ave, Livermore, CA 94550 USA
[2] MicroAssembly Technol, Richmond, CA 94806 USA
来源
MEMS/MOEMS COMPONENTS AND THEIR APPLICATIONS III | 2006年 / 6113卷
关键词
MEMS; deformable mirrors; nanolaminates;
D O I
10.1117/12.657667
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
This ongoing work concerns the creation of a deformable mirror by the integration of MEMS actuators with Nanolaminate foils through metal compression boning. These mirrors will use the advantages of these disparate technologies to achieve dense actuation of a high-quality, continuous mirror surface. They will enable advanced adaptive optics systems in large terrestrial telescopes. While MEMS actuators provide very dense actuation with high precision they can not provide large forces typically necessary to deform conventional mirror surfaces. Nanolaminate foils can be fabricated with very high surface quality while their extraordinary mechanical properties enable very thin, flexible foils to survive the rigors of fabrication. Precise metal compression bonding allows the attachment of the fragile MEMS actuators to the thin nanolaminate foils without creating distortions at the bond sites. This paper will describe work in four major areas: 1) modeling and design, 2) bonding development, 3) nanolaminate foil development, 4) producing a prototype. A first-principles analytical model was created and used to determine the design parameters. A method of bonding was determined that is both strong, and minimizes the localized deformation or print through. Work has also been done to produce nanolaminate foils that are sufficiently thin, flexible and flat to be deformed by the MEMS actuators. Finally a prototype was produced by bonding thin, flexible nanolaminate foils to commercially available MEMS actuators.
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页数:10
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