coherence-scanning-interferometry

Detailed information

Coherence scanning interferometry

Torsten Machleidt, Managing Director / Gesellschaft für Bild- und Signalverarbeitung (GBS) mbH, Ilmenau, Germany

Automated measurements of surface roughness and micro geometries
 
The inline control of surface roughness and micro structures is often a big challenge. One technology is fast but doesn’t have the necessary resolution others have the resolution are slow and require a sophisticated anti-vibration system.
The smartWLI extend range sensor combines both. Installed on a robot multiple positions can be measured in an acceptable time. We have used an intelligent dual scanning process with an extreme fast autofocus and range detection followed from a high-resolution scan of the surface roughness or the micro geometries…

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