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题名:
Performance analysis of field-of-view shifted Shack-Hartmann wavefront sensor based on splitter
作者: Li, Chaohong; Xian, Hao; Jiang, Wenhan; Rao, Changhui
刊名: APPLIED PHYSICS B-LASERS AND OPTICS
出版日期: 2007-08-01
卷号: 88, 期号:3, 页码:367-372
文章类型: Article
英文摘要: \We report on a field-of-view shifted Shack-Hartmann wavefront sensor based on a splitter designed to measure the wavefront information of object light with strong background. The analysis results indicate that increasing the ratio of the signal beam intensity to the incoming beam intensity and reducing the sampling frequency of CCD2 (detecting the pure background light) can properly enhance the SNR (signal-to-noise ratio) of the object light. A special noise removing algorithm was presented to enhance the centroid measuring accuracy, and it was proved to be effective against the residual noises caused by the differences between the two beam paths. The experimental results indicate that the field-of-view shifted Shack-Hartmann wavefront sensor based on a splitter can exactly measure the wavefront information from the object with strong background.
WOS标题词: Science & Technology ; Physical Sciences
类目[WOS]: Optics ; Physics, Applied
研究领域[WOS]: Optics ; Physics
关键词[WOS]: DAYTIME ADAPTIVE OPTICS ; SYSTEM
收录类别: SCI
语种: 英语
WOS记录号: WOS:000248863300004
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/3587
Appears in Collections:光电技术研究所被WoS收录文章_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Opt & Elect, Chengdu 610209, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China

Recommended Citation:
Li, Chaohong,Xian, Hao,Jiang, Wenhan,et al. Performance analysis of field-of-view shifted Shack-Hartmann wavefront sensor based on splitter[J]. APPLIED PHYSICS B-LASERS AND OPTICS,2007,88(3):367-372.
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