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Calculating the laser working distance

If you know the aperture angle of a laser and the required size of the depicted laser line (or your projection pattern), you can also calculate the required working distance for the correct mounting of the laser module:

Evaluation of ideal laser working distance


Benötigter Arbeitsabstand für den Laser:
Line length or pattern size in mm:
Opening angle of laser:


Needed working distance for laser:


Attention: Calculated working distances of under 1 mm or beyond 1,000,000 mm are declared invalid.

Further explanations on laser triangulation can be found in chapter "Lasers as illumination".

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