Nonlinearity of optical triangulation

Xinming Zhang; Yongxin Sui; Jiandong Yang; Yuxiang Shi

doi:10.1117/12.318397

10 August 1998 Nonlinearity of optical triangulation

Xinming Zhang, Yongxin Sui, Jiandong Yang, Yuxiang Shi

Proceedings Volume 3558, Automated Optical Inspection for Industry: Theory, Technology, and Applications II; (1998) https://doi.org/10.1117/12.318397
Event: Photonics China '98, 1998, Beijing, China

Abstract

After discussing the out-put characteristic of optical triangulation system in detail, some points of the relation between nonlinearity of triangulation and optical system parameters are concluded. These parameters include included angle, the magnification of imaging lens and objective distance of imaging lens. Then, to correct the nonlinearity a new method-asymmetrical gains method has been developed, the principle and the theoretic calculation result are given eventually.

Citation Download Citation

Xinming Zhang, Yongxin Sui, Jiandong Yang, and Yuxiang Shi "Nonlinearity of optical triangulation", Proc. SPIE 3558, Automated Optical Inspection for Industry: Theory, Technology, and Applications II, (10 August 1998); https://doi.org/10.1117/12.318397

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