Adaptive optics control system for segmented MEMS deformable mirrors

被引：2

作者：

Kempf, Carl J. ^{[1
]}

Helmbrecht, Michael A. ^{[1
]}

Besse, Marc ^{[1
]}

机构：

[1] Iris AO Inc, Berkeley, CA 94706 USA

来源：

MEMS ADAPTIVE OPTICS IV | 2010年 / 7595卷

关键词：

deformable mirrors; adaptive optics; MEMS; control system; wavefront correction;

D O I：

10.1117/12.846301

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Iris AO has developed a full closed-loop control system for control of segmented MEMS deformable mirrors. It is based on a combination of matched wavefront sensing, modal wavefront estimation, and well-calibrated open-loop characteristics. This assures closed-loop operation free of problems related to co-phasing segments or undetectable waffle patterns. This controller strategy results in relatively simple on-line computations which are suitable for implementation on low cost digital signal processors. It has been successfully implemented on Iris AO's 111 actuator (37 segment) deformable mirrors used in test-beds and research systems.

引用

页数：12

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