New Innovative Measurement Technologies for 3D Surface Metrology

15 Jun 2017

Sensofar Metrology has developed two new innovative measurement technology features for their '3-in-1' S-line 3D surface metrology systems. These new features build on the inherent versatility available in Sensofar's unique '3-in-1' sensor heads, and – most importantly – no hardware update is required!

Continuous Confocal refers to a proprietary measurement technique that represents a revolutionary step in confocal measurement technology. With Continuous Confocal, Sensofar has successfully developed a confocal technique that utilizes a continuous z-axis scan. Acquisition speed is comparable to focus variation, and is roughly 3x faster than Sensofar’s own Confocal approach, while simultaneously maintaining comparable repeatability and accuracy. Continuous Confocal is an ideal solution for Quality Control tasks where speed is a key factor, and is essential for reducing acquisition times for large area and extensive z-axis scans.

Confocal Fusion refers to another new and proprietary measurement technique that draws the best from Sensofar’s Confocal and Focus Variation approaches by using a unique smart algorithm that yields the most reliable result from both data sets acquired from just a single scan. Where neither Confocal or Focus Variation can provide ideal results, Confocal Fusion surpasses the limitations of both techniques to provide high-quality measurements over spatially highly varying surfaces. It is ideal for highly complex or technical surfaces exhibiting both steep rough and steep smooth areas, and where a traditional confocal approach alone would fail to capture the surface adequately.

For those needing ISO norm compatibility, both Continuous Confocal and Confocal Fusion measurements still conform to ISO 25178 requirements.

Both these new measurement technologies draw on Sensofar’s particular utilization of a microdisplay in their '3-in-1' 3D surface metrology systems to provide confocal, interferometric and focus variation approaches. The unique inherent versatility contained within the systems is utilized here to expand the capability in a way that no other surface metrology system manufacturer can match. To obtain access to these new features, all S neox, S lynx and S mart 3D surface metrology systems must simply be updated to SensoSCAN 6.4.

Come and see the new technologies in action at Laser World of Photonics in Munich, 26th - 29th June 2017, Booth A2.341

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