STEMMER IMAGING

Advanced coaxial illumination

Illumination for homogeneous illumination of uneven surfaces.

Using an additional reflection chamber the light is not emitted directly from the light source onto the object via the semi-transparent mirror, delivering a much more homogeneous illumination.

The following examples show printed foil packaging which is highly reflective and has a significantly varying profile. Using advanced coaxial light provides a very even illumination with mini mal highlights.

 

Print on foil packaging using standard ring light illumination

 

Print on foil packaging using the advanced coaxial technique

 

This type of illumination is suited for uneven surfaces that have a more pronounced profile such as wrinkled paper, foils, threads of screws, PCBs with soldered components, moulded plastics etc. Using advanced coaxial light provides a very even illumination with minimal highlights.

More information:

• Standard coaxial illumination
• Collimated coaxial illumination

 

This short tutorial gives you insights into methods of illumination for machine vision in order to improve your inspection results. If you want to learn more about illumination, visit one of our on-site illumination trainings.

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