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For small steps and requirements to do 3D scanning, because the non-contact profilometer does not touch the surface the scan speeds are dictated by the light reflected from the surface and the speed of the acquisition electronics. For doing large steps, a 3D scan on an optical profiler can be much slower than a 2D scan on a stylus profiler.
A test surface having features of different heights leads to a phase pattern that is mixed with the light from the flat reference in the CCD image sensor plane. Interference occurs at the CCD pixel if the optical path lengths of the two arms differ less than half the coherence length of the light source. Each pixel of the CCD samples a ...
2007 – The TalyRond 395, a fully automated roundness and cylindricity instrument, introduced a new trend of automated, multiple measurements (such as surface texture and roundness) on the same instrument. 2008 – Talysurf CCI Lite launched, Ultra Precision Benchtop 3D Optical Profiler Talyrond 290 with motorised gauge arm.
Surface metrology is the measurement of small-scale features on surfaces, and is a branch of metrology. Surface primary form, surface fractality, and surface finish (including surface roughness) are the parameters most commonly associated with the field. It is important to many disciplines and is mostly known for the machining of precision ...
Its core is micro-topography, the science of studying surface texture and form in 3D at the microscopic scale. The software is dedicated to profilometers , 3D light microscopes ("MountainsMap"), scanning electron microscopes ("MountainsSEM") and scanning probe microscopes ("MountainsSPIP").
Digital Surf was established in 1989 in Besançon, France, initially as manufacturer of 3D non-contact laser profilometers.; In 1990, the company launched its first profile (2D surface texture) analysis software, for the MS-DOS operating system, followed in 1991 by a topography (3D surface texture analysis) software for the Macintosh II platform.
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