Development of an edge sensor based on polyview optics and laser triangulation principle

Yinan Li; Hagen Bossmeyer; Markus Kästner; Eduard Reithmeier

doi:10.1117/12.2247007

24 November 2016 Development of an edge sensor based on polyview optics and laser triangulation principle

Yinan Li, Hagen Bossmeyer, Markus Kästner, Eduard Reithmeier

Proceedings Volume 10023, Optical Metrology and Inspection for Industrial Applications IV; 100231E (2016) https://doi.org/10.1117/12.2247007
Event: SPIE/COS Photonics Asia, 2016, Beijing, China

Abstract

Common 2D laser line triangulation sensors allow a 2D profile measurement in a single line. To scan samples with great curved surfaces like edges, a single laser line triangulation sensor is insufficient. To measure the entire form of such an edge, it normally requires either multiple measurements of one single sensor or a multi sensor system. For this reason, we developed an edge measurement sensor based on an in-house designed polyview optics and the well-known laser triangulation principle. The new developed edge measurement sensor is capable of measuring the object over a 180 field of view (FOV). The configuration, the calibration process and the measurement results of this edge sensor will be discussed in this paper.

Citation Download Citation

Yinan Li, Hagen Bossmeyer, Markus Kästner, and Eduard Reithmeier "Development of an edge sensor based on polyview optics and laser triangulation principle", Proc. SPIE 10023, Optical Metrology and Inspection for Industrial Applications IV, 100231E (24 November 2016); https://doi.org/10.1117/12.2247007

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