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题名:
A Zernike mode decomposition decoupling control algorithm for dual deformable mirrors adaptive optics system
作者: Liu, Wenjin1,2,3; Dong, Lizhi1,2; Yang, Ping1,2; Lei, Xiang1,2,3; Yan, Hu1,2,3; Xu, Bing1,2
刊名: Optics Express
出版日期: 2013
卷号: 21, 期号:20, 页码:23885-23895
学科分类: Control - Loudspeakers
DOI: 10.1364/OE.21.023885
文章类型: 期刊论文
中文摘要: A simple but effective decoupling control algorithm based on Zernike mode decomposition for adaptive optics systems with dual deformable mirrors is proposed. One of the two deformable mirrors is characterized with a large stroke (woofer) and the other with high spatial resolutions (tweeter). The algorithm works as follows: wavefront gradient vector is decoupled using the Zernike modes at first, and then the control vector for the woofer is generated with low order Zernike coefficients to eliminate high order modes. At the same time the control vector for the tweeter is reset by a constraint matrix in order to avoid coupling error accumulation. Simulation indicates the algorithm could get better performance compared with traditional Zernike mode decomposition control algorithms. Experiments demonstrate that this algorithm can effectively compensate for phase distortions and significantly suppress the coupling between the woofer and tweeter. ©2013 Optical Society of America.
英文摘要: A simple but effective decoupling control algorithm based on Zernike mode decomposition for adaptive optics systems with dual deformable mirrors is proposed. One of the two deformable mirrors is characterized with a large stroke (woofer) and the other with high spatial resolutions (tweeter). The algorithm works as follows: wavefront gradient vector is decoupled using the Zernike modes at first, and then the control vector for the woofer is generated with low order Zernike coefficients to eliminate high order modes. At the same time the control vector for the tweeter is reset by a constraint matrix in order to avoid coupling error accumulation. Simulation indicates the algorithm could get better performance compared with traditional Zernike mode decomposition control algorithms. Experiments demonstrate that this algorithm can effectively compensate for phase distortions and significantly suppress the coupling between the woofer and tweeter. ©2013 Optical Society of America.
收录类别: SCI ; Ei
项目资助者: Sichuan Province [2012JQ0012]
语种: 英语
WOS记录号: WOS:000325549800084
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/6351
Appears in Collections:自适应光学技术研究室(八室)_期刊论文

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作者单位: 1. Laboratory on Adaptive Optics, Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu 610209, China
2. Key Laboratory on Adaptive Optics, Chinese Academy of Sciences, Chengdu 610209, China
3. Graduate School of Chinese Academy of Sciences, Beijing, 100084, China

Recommended Citation:
Liu, Wenjin,Dong, Lizhi,Yang, Ping,et al. A Zernike mode decomposition decoupling control algorithm for dual deformable mirrors adaptive optics system[J]. Optics Express,2013,21(20):23885-23895.
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