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Department自适应光学技术研究室(八室)
A slope-based decoupling algorithm to simultaneously control dual deformable mirrors in a woofer-tweeter adaptive optics system
Cheng, Tao1,2,3; Liu, Wenjin1,3; Pang, Boqing1,2,3; Yang, Ping1,3; Xu, Bing1,3
Source PublicationCHINESE PHYSICS B
Volume27Issue:7Pages:70704
2018-07-01
Language英语
ISSN1674-1056
DOI10.1088/1674-1056/27/7/070704
Indexed BySCI ; Ei
WOS IDWOS:000439122300004
EI Accession Number20183305689126
SubtypeJ
AbstractWe propose a slope-based decoupling algorithm to simultaneously control the dual deformable mirrors (DMs) in a woofer-tweeter adaptive optics system. This algorithm can directly use the woofer's response matrix measured from a Shack-Hartmann wave-front sensor to construct a slope-based orthogonal basis, and then selectively distribute the large-amplitude low-order aberration to woofer DM and the remaining aberration to tweeter DM through the slope-based orthogonal basis. At the same moment, in order to avoid the two DMs generating opposite compensation, a constraint matrix used to reset tweeter control vector is convenient to be calculated with the slope-based orthogonal basis. Numeral simulation demonstrates that this algorithm has a good performance to control the adaptive optics system with dual DMs simultaneously. Compared with the typical decoupling algorithm, this algorithm can take full use of the compensation ability of woofer DM and release the stroke of tweeter DM to compensate high-order aberration. More importantly, it does not need to measure the accurate shape of tweeter's influence function and keeps better performance of restraining the coupling error with the continuous-dynamic aberration.
Keyworddual deformable mirrors decoupling algorithm adaptive optics
WOS KeywordCOHERENCE TOMOGRAPHY
EI KeywordsAdaptive control systems ; Deformation ; Delta modulation ; Loudspeakers ; Mirrors ; Wavefronts
EI Classification Number731.1 Control Systems ; 741.1 Light/Optics ; 741.3 Optical Devices and Systems ; 752.1 Acoustic Devices
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Document Type期刊论文
Identifierhttp://ir.ioe.ac.cn/handle/181551/9274
Collection自适应光学技术研究室(八室)
Affiliation1.Key Laboratory on Adaptive Optics, Chinese Academy of Sciences, Chengdu; 610209, China;
2.University of Chinese Academy of Sciences, Beijing; 100049, China;
3.Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu; 610209, China
Recommended Citation
GB/T 7714
Cheng, Tao,Liu, Wenjin,Pang, Boqing,et al. A slope-based decoupling algorithm to simultaneously control dual deformable mirrors in a woofer-tweeter adaptive optics system[J]. CHINESE PHYSICS B,2018,27(7):70704.
APA Cheng, Tao,Liu, Wenjin,Pang, Boqing,Yang, Ping,&Xu, Bing.(2018).A slope-based decoupling algorithm to simultaneously control dual deformable mirrors in a woofer-tweeter adaptive optics system.CHINESE PHYSICS B,27(7),70704.
MLA Cheng, Tao,et al."A slope-based decoupling algorithm to simultaneously control dual deformable mirrors in a woofer-tweeter adaptive optics system".CHINESE PHYSICS B 27.7(2018):70704.
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