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Surface roughness determination using the acousto-optic technique: Theory and experiment

 

作者: R. Briers,   O. Leroy,   S. Devolder,   M. Wevers,   P. De Meester,  

 

期刊: Applied Physics Letters  （AIP Available online 1997）
卷期: Volume 71, issue 5  

页码: 599-601

 

ISSN:0003-6951

 

年代: 1997

 

DOI:10.1063/1.119805

 

出版商: AIP

 

数据来源: AIP

 

摘要:

With the acousto-optic nondestructive testing technique, phase shifts between the incident and the reflected ultrasound are measured at critical angles of the investigated material. This letter is focusing theoretically as well as experimentally on the influence of a small surface roughness (some micrometers) of a thick material on the phase information. ©1997 American Institute of Physics.

 

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