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.
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收藏
页数：12
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