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Schematic structure of a light section sensor

The light section is a technology for optical 3-D measurement, which makes the measurement of a height profile along a projected line of light. It is based on the principle of triangulation.[1]

References

  1. ^ "LR300 - Laser Light Section Sensor for 3D Measurement". Pepperl+Fuchs. Retrieved 26 October 2014.
source: http://en.wikipedia.org/wiki/Light_section