Information extracting and application for the combining objective speckle and reflection holography

Zhengyuan Cao; Fang Cheng

doi:10.1117/12.51086

1 January 1991 Information extracting and application for the combining objective speckle and reflection holography

Zhengyuan Cao, Fang Cheng

Proceedings Volume 1332, Optical Testing and Metrology III: Recent Advances in Industrial Optical Inspection; (1991) https://doi.org/10.1117/12.51086
Event: 34th Annual International Technical Symposium on Optical and Optoelectronic Applied Science and Engineering, 1990, San Diego, CA, United States

Abstract

The reflectional display method for information extracting by the speckle pattern is presented in this paper. Combining objective speckle and reflection holography, this method reduces the restriction to optical density of the film. Two applications are presented: the in-. displacement of a specimen of the three point curved bean of coiplex material and the homogeneous degree of deformation of the bearing cap of top motor under axial load are measured respectively by the objective speckle and reflection holography..

Citation Download Citation

Zhengyuan Cao and Fang Cheng "Information extracting and application for the combining objective speckle and reflection holography", Proc. SPIE 1332, Optical Testing and Metrology III: Recent Advances in Industrial Optical Inspection, (1 January 1991); https://doi.org/10.1117/12.51086

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