Visualized measurement of the acoustic levitation field based on digital holography with phase multiplication

Puchao Zheng, Enpu Li, Jianlin Zhao, Jianglei Di, Wangmin Zhou, Hao Wang, Ruifeng Zhang

科研成果: 期刊稿件文章同行评审

11 引用 (Scopus)

摘要

By using digital holographic interferometory with phase multiplication, the visualized measurement of the acoustic levitation field (ALF) with single axis is carried out. The digital holograms of the ALF under different conditions are recorded by use of CCD. The corresponding digital holographic interferograms reflecting the sound pressure distribution and the interference phase distribution are obtained by numerical reconstruction and phase subtraction, which are consistent with the theoretical results. It indicates that the proposed digital holographic interferometory with phase multiplication can successfully double the fringe number of the interference phase patterns of the ALF and improve the measurement precision. Compared with the conventional optical holographic interferometory, digital holographic interferometory has the merits of quasi real-time, more exactitude and convenient operation, and it provides an effective way for studying the sound pressure distribution of the ALF.

源语言英语
页(从-至)4339-4344
页数6
期刊Optics Communications
282
22
DOI
出版状态已出版 - 15 11月 2009

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