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Compensation for the spatial periodic modulation of the near-field beam with an improved iterative weight-based method
Gao, Yaru; Liu, Dean; Yang, Aihua; Tang, Ruyu; Zhu, Jianqiang; liudean@siom.ac.cn
2017
发表期刊Optik
卷号143页码:59
摘要An improved iterative weight-based method is studied to compensate for the spatial periodic modulation (SPM) of the near-field beam, Based on the beam angular spectrum transmit formula (ASTF). the required phase that compensates for the intensity distribution of the incident SPM beam is iterated by this algorithm, which can contribute to improve the uniformity and quality of the output near-field beam. The experimental results show that the similarity values is improved from 0.9878 to 0.9947 and is getting closer to 1. The modulation degree M of the output near-field beam is decreased from 1.3631 to 1.3401 and the contrast degree C is decreased from 0.3018 to 0.2635 by using the liquid-crystal spatial light modulator (SLM). This indicates that the experiment verifies the feasibility of this iterative method to compensate for the SPM of the near-field beam.
文章类型Article
部门归属联合
DOI10.1016/j.ijleo.2017.06.057
收录类别SCI
WOS记录号WOS:000407401700009
引用统计
文献类型期刊论文
条目标识符http://ir.siom.ac.cn/handle/181231/27941
专题高功率激光物理国家实验室
通讯作者liudean@siom.ac.cn
作者单位中国科学院上海光学精密机械研究所
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GB/T 7714
Gao, Yaru,Liu, Dean,Yang, Aihua,et al. Compensation for the spatial periodic modulation of the near-field beam with an improved iterative weight-based method[J]. Optik,2017,143:59.
APA Gao, Yaru,Liu, Dean,Yang, Aihua,Tang, Ruyu,Zhu, Jianqiang,&liudean@siom.ac.cn.(2017).Compensation for the spatial periodic modulation of the near-field beam with an improved iterative weight-based method.Optik,143,59.
MLA Gao, Yaru,et al."Compensation for the spatial periodic modulation of the near-field beam with an improved iterative weight-based method".Optik 143(2017):59.
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