3D tire size code measurement by digital speckle pattern phase shifting interferometry

Meng Zhu; Zhanhua Huang; Hao Zhang; Huaiyu Cai

doi:10.1117/12.871669

5 November 2010 3D tire size code measurement by digital speckle pattern phase shifting interferometry

Meng Zhu, Zhanhua Huang, Hao Zhang, Huaiyu Cai

Proceedings Volume 7848, Holography, Diffractive Optics, and Applications IV; 78480A (2010) https://doi.org/10.1117/12.871669
Event: Photonics Asia 2010, 2010, Beijing, China

Abstract

In order to measure the 3D architecture of tire size code, Digital Speckle Pattern Interferometry (DSPI) and Phase Shifting interferometry(PSI) were integrated to capture its phase. With capturing speckle pattern interferogram by reference-wave interferometry, the illumination laser diodes of DSPI-PSI interferometer were arranged to enlarge the illumination area; and the viewing field was also expanded by battery of lens containing field lens and imaging lens. To generate a phase difference associated with height of test surface, the illumination beam was rotated by motor. The experiment results show the viewing field was more than 60 degree, the resolution of surface profile match the tire size code height as 1mm.

Citation Download Citation

Meng Zhu, Zhanhua Huang, Hao Zhang, and Huaiyu Cai "3D tire size code measurement by digital speckle pattern phase shifting interferometry", Proc. SPIE 7848, Holography, Diffractive Optics, and Applications IV, 78480A (5 November 2010); https://doi.org/10.1117/12.871669

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