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Proceedings Paper

The micro-sized internal structure in acoustic image by 3D impulse scanning acoustic microscopy
Author(s): Jinwen Ding; Kang Li; Ning Li; Guochao He; Qingping Zhang
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Paper Abstract

The properties of a solid specimen depend on its elastic property and microstructures, which are not only in nano size but also in micro-sized scale. Impulse acoustic microscope is a technology, employing a focused ultrasound probe beam in immersion to penetrate into a solid specimen, and to detect the internal micro-sized structure by acoustic imaging for a solid bulk material. Acoustic lens produces such a probe beam into a specimen and receives response radiations reflected from the specimen. The characters of an acoustic lens determine the precision and quality of acoustical imaging; and the relevant controlling techniques are also important peripheral elements for the system. But it is ignored or has not raised attention that the acoustic interaction behavior between the focused ultrasound probe beam and an internal micro-sized structure in a bulk — diffraction, scatter phenomena — usually also presents an inevitable impact on acoustic images. In this paper, the authors try to introduce these principles to demonstrate that these factors are the fundamental keys, to promote the performance of Impulse Scanning Acoustic Microscopy.

Paper Details

Date Published: 26 January 2016
PDF: 6 pages
Proc. SPIE 9903, Seventh International Symposium on Precision Mechanical Measurements, 99032N (26 January 2016); doi: 10.1117/12.2217520
Show Author Affiliations
Jinwen Ding, Univ. of Science and Technology of China (China)
Kang Li, Anhui Province Coal Science Research Institute (China)
Ning Li, Special Equipment Safety Inspection Institute of Jiangsu Province (China)
Guochao He, Univ. of Science and Technology of China (China)
Qingping Zhang, Univ. of Science and Technology of China (China)


Published in SPIE Proceedings Vol. 9903:
Seventh International Symposium on Precision Mechanical Measurements
Liandong Yu, Editor(s)

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