Blue Light Sensor

With the innovative BlueLight technology, simple as well as difficult-to-detect objects can be reliably detected.
Objects are generally considered difficult-to-detect if they emit little or barely any light back to the receiver. This includes, for
example, dark, shiny, transparent parts or objects that are at a strong inclination angle to the sensor.
The reason the blue light sensors detect these objects better than red light sensors can be explained physically. The blue light has a
higher intensity and different light colors interactive differently with the surface of the detected object. The penetration depth of
short-wave blue light is less than that of red light; the amount of light that is reflected at the surface is correspondingly higher, which
benefits the detection of objects with low reflectivity – especially those with a dark surface. But even with transparent objects, a
significantly better detection rate and thus a more stable process can be achieved.
This means that BlueLight sensors can easily be used as new standard sensors and thus increase process reliability in many industrial
application areas.

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