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Weighted wavefront reconstruction algorithm for multiple laser guide stars adaptive optics system
Liu, C.; B. He; Z. L. Cao; Y. K. Wang; L. F. Hu and L. Xuan
2017
发表期刊Optics Communications
卷号405
摘要We present a weighted method of wavefront reconstruction for multiple laser guide stars (LGS) adaptive optics (AO) system. Unlike simple averaging method in the traditional ground layer adaptive optics (GLAO), the weighted method generates different weighting factors according to LGSs' different positions for the reconstructed wavefront from different LGSs. And then the target aberration to correct could be obtained with summation of these wavefronts multiplied by their correspondent weighting factors. Wide-field simulations are presented and analyzed. Experiments in the lab are conducted to validate the method. The weighted method is better than the average method especially near the center area of FOV. At center of FOV, the SR is improved by about 0.2 compared to the average method and the SR decreases with enlargement of FOV. For the first time, the weighted wavefront reconstruction method effectively decreases the reconstruction error in multi-LGSs AO system. The simulation and experimental result show that weighted method is also promising to improve the imaging resolution of LGS adaptive optics systems in astronomical observations. (C) 2017 Elsevier B.V. All rights reserved.
收录类别sci ; ei
语种英语
WOS记录号WOS:000413416100062
引用统计
文献类型期刊论文
条目标识符http://ir.ciomp.ac.cn/handle/181722/59062
专题中科院长春光机所知识产出
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GB/T 7714
Liu, C.,B. He,Z. L. Cao,et al. Weighted wavefront reconstruction algorithm for multiple laser guide stars adaptive optics system[J]. Optics Communications,2017,405.
APA Liu, C.,B. He,Z. L. Cao,Y. K. Wang,&L. F. Hu and L. Xuan.(2017).Weighted wavefront reconstruction algorithm for multiple laser guide stars adaptive optics system.Optics Communications,405.
MLA Liu, C.,et al."Weighted wavefront reconstruction algorithm for multiple laser guide stars adaptive optics system".Optics Communications 405(2017).
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