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Applications of digital holography in visualized measurement of acoustic and flow fields

  • Northwestern Polytechnical University Xian

科研成果: 书/报告/会议事项章节会议稿件同行评审

4 引用 (Scopus)

摘要

Digital holography allows recording the hologram using digitally imaging devices such as CCD, and reconstructing the holographic image by numerically simulating the diffraction of the hologram. Its main advantages are by which one can directly obtain the complex amplitude distribution of the object field, so that more impersonally measure the detail information of the object field, such as the distribution of the refractive index changing in crystals induced by light irradiation, deformation of the object surface, particle distribution, as well as acoustic field, flow field and temperature distribution in air. In this paper, we summarize the principle and some of our experimental results on the applications of digital holography in visualized measurement of acoustic standing wave (acoustic levitation field), plasma plume and water flow (Karman vortex street) fields.

源语言英语
主期刊名Fourth International Conference on Experimental Mechanics
DOI
出版状态已出版 - 2010
活动4th International Conference on Experimental Mechanics - Singapore, 新加坡
期限: 18 11月 200920 11月 2009

出版系列

姓名Proceedings of SPIE - The International Society for Optical Engineering
7522
ISSN(印刷版)0277-786X

会议

会议4th International Conference on Experimental Mechanics
国家/地区新加坡
Singapore
时期18/11/0920/11/09

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