Meaning
Measurement science utilizes light based sensors and cameras to determine the physical characteristics of a workpiece without mechanical contact. Optical metrology provides a non destructive way to verify dimensions, surface roughness and part alignment.
Utilizing Light
Integration of lenses and sensors allows for the inspection of delicate components that cannot withstand the force of a physical probe. In a factory environment, optical metrology systems are used to monitor the quality of parts as they move along the assembly line. This technology supports high speed inspection that matches the rate of automated production.
Visual Inspection
Capture of high resolution images enables the detection of surface defects and missing features that a touch probe would ignore. Every optical metrology setup requires controlled lighting to ensure that the images are consistent and free from shadows. These systems are particularly effective for measuring flat parts or those with complex surface patterns.
Measurement Stability
Resistance to environmental noise and vibration ensures that the data remains accurate over time. While the speed of optical metrology is high, the results can be affected by changes in ambient light or temperature. Maintaining a stable environment in the inspection area is necessary for achieving sub micron precision across thousands of measurement cycles.
