Development of microelectromechanical deformable mirrors for phase modulation of light

被引：29

作者：

Mali, RK ^{[1
]}

Bifano, TG ^{[1
]}

Vandelli, N ^{[1
]}

Horenstein, MN ^{[1
]}

机构：

[1] BOSTON UNIV,DEPT ELECT & COMP ENGN,BOSTON,MA 02215

来源：

OPTICAL ENGINEERING | 1997年 / 36卷 / 02期

关键词：

deformable mirrors; microelectromechanical systems; adaptive optics;

D O I：

10.1117/1.601599

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A silicon-based, surface micromachined, deformable mirror device far optical applications requiring phase modulation, including adaptive optics and pattern recognition systems is described. The mirror will be supported on a massively parallel system of elecirostatically controlled, interconnected microactuators that can be coordinated to achieve precise actuation and control at a macroscopic level. Several generations of individual actuators as well as parallel arrays of actuators with segmented/continuous mirrors have been designed, fabricated, and tested. Deflection characteristics and pull-in behavior of the actuators have been closely studied. Devices have been characterized with regard to yield, repeatability, and frequency response. An electromechanical model of the system has been simulated numerically using the shooting method, and good correlation with experimental results has been obtained. A twenty-channel parallel control scheme has been developed and implemented on a segmented mirror array. (C) 1997 Society of Photo-Optical Instrumentation Engineers.

引用

页码：542 / 548

页数：7

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