Real-time modal reconstruction algorithm for adaptive optics systems

被引：0

作者：

Li, Xin-Yang ^{[1
]}

Wang, Chun-Hong ^{[1
]}

Xian, Hao ^{[1
]}

Jiang, Wen-Han ^{[1
]}

机构：

[1] Lab. on Adaptive Optics, Inst. of Optics and Electron., Chinese Acad. of Sci., P.O. Box 350, Chengdu 610209, China

来源：

Qiangjiguang Yu Lizishu/High Power Laser and Particle Beams | 2002年 / 14卷 / 01期

关键词：

Algorithms - Eigenvalues and eigenfunctions - Mathematical models - Matrix algebra - Noise abatement - Real time systems;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

The principle of real-time modal reconstruction algorithms used for adaptive optics (AO) systems was introduced. A novel sensor-eigen modal reconstruction algorithm was proposed and analyzed. The sensor-eigen functions were deduced by orthogonalizing the correlation matrix between Hartmann-Shack wave-front sensor and deformable mirror. Compared to the normal direct-gradient reconstruction algorithm, the effect of measurement noise to AO system decreases more easily, the real-time system is more stable and the performances of the whole AO system improves through the modal algorithms. This novel algorithm was applied to a 61-element AO system and the theoretical results were verified by the experimental ones.

引用

页码：53 / 56

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