New progress in shearography

Hong-Min Shi; Shouyong Ni; Lei Fu; Hao Wang

doi:10.1117/12.403912

10 October 2000 New progress in shearography

Hong-Min Shi, Shouyong Ni, Lei Fu, Hao Wang

Proceedings Volume 4222, Process Control and Inspection for Industry; (2000) https://doi.org/10.1117/12.403912
Event: Optics and Optoelectronic Inspection and Control: Techniques, Applications, and Instruments, 2000, Beijing, China

Abstract

As common-path interferometers, shearography (shear interferometer) has been widely used in many fields. It has some special advantages as well as some disadvantages. This leads to the result that it can only be used in some special conditions for some special uses. Int his paper, both the advantages and the disadvantages are discussed. Some new progress, such as the phase-shift in shearography, two-dimensional shearography and the phot-carrier in shearography, are proposed. All of these new progress are developed in the aim of extending the application fields, improving the processing accuracy and realizing automatic measurement.

Citation Download Citation

Hong-Min Shi, Shouyong Ni, Lei Fu, and Hao Wang "New progress in shearography", Proc. SPIE 4222, Process Control and Inspection for Industry, (10 October 2000); https://doi.org/10.1117/12.403912

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