Plane displacement measurement of rigid body by laser speckle

Chuan Zhong; Changyu Shen; Zhaoxiang Lin; Ke Li

doi:10.1117/12.887706

3 January 2011 Plane displacement measurement of rigid body by laser speckle

Chuan Zhong, Changyu Shen, Zhaoxiang Lin, Ke Li

Proceedings Volume 7990, Optical Sensors and Biophotonics II; 79900J (2011) https://doi.org/10.1117/12.887706
Event: Asia Communications and Photonics Conference and Exhibition, 2010, Shanghai, Shanghai, China

Abstract

A measurement system of plane displacement in rigid body was designed. Plane displacement was calculated by the cross-correlation of speckle image. Measurement results showed that the absolute-error and the opposite-error of the plane displacement less than ±14μm and ±6.25% respectively, under the displacement range of 300μm.

Citation Download Citation

Chuan Zhong, Changyu Shen, Zhaoxiang Lin, and Ke Li "Plane displacement measurement of rigid body by laser speckle", Proc. SPIE 7990, Optical Sensors and Biophotonics II, 79900J (3 January 2011); https://doi.org/10.1117/12.887706

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