Laser-based triangulation techniques in optical inspection of industrial structures

Timothy A. Clarke; Kenneth T. V. Grattan; N. E. Lindsey

doi:10.1117/12.51096

1 January 1991 Laser-based triangulation techniques in optical inspection of industrial structures

Timothy A. Clarke, Kenneth T. V. Grattan, N. E. Lindsey

Proceedings Volume 1332, Optical Testing and Metrology III: Recent Advances in Industrial Optical Inspection; (1991) https://doi.org/10.1117/12.51096
Event: 34th Annual International Technical Symposium on Optical and Optoelectronic Applied Science and Engineering, 1990, San Diego, CA, United States

Abstract

An optical triangulation technique using a solid state laser diode sourceand detector, providing sub-pixel resolution on a CCD detector was developed and is discussed. A novel approach to the problem of non-linear accuracy is outlined. Results of extensive research into improving the accuracy of the device with particular reference to configuration, optical components, the laser source, linearity, resolution, calibration and interpolation are presented.

Citation Download Citation

Timothy A. Clarke, Kenneth T. V. Grattan, and N. E. Lindsey "Laser-based triangulation techniques in optical inspection of industrial structures", Proc. SPIE 1332, Optical Testing and Metrology III: Recent Advances in Industrial Optical Inspection, (1 January 1991); https://doi.org/10.1117/12.51096

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