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"Stylus vs. Optical Profilometers Explained"

A practical comparison of contact and non-contact surface measurement methods

Stylus and optical profilometers are widely used to measure surface texture, but their capabilities differ significantly. This document compares contact and non-contact profiling methods, examining measurement principles, accuracy, limitations, and application suitability. By understanding when to use each technology, engineers and researchers can select the most appropriate tool for reliable surface roughness and topography analysis.

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