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Calibration Lab Achieves Measurement Uncertainties of Ten Nanometres

The DAkkS-accredited laboratory of eumetron GmbH in Aalen, Germany offers DAkkS calibrations traceable to national standards with an extremely high level of accuracy. The experts use special procedures to calibrate plug gauges, setting rings, calibration spheres and hemispheres as well as test specimens and other reference standards or reference workpieces.

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AccuFiz Duo Fizeau Interferometer Combines Short and Long Coherence Sources Into Single System

The 4D Technology high precision, dynamic interferometer combines short and long coherence capabilities into one system for measuring an expanded range of optics. The AccuFiz Duo’s additional long coherence source uses a stabilized HeNe laser and operates with all the benefits of a standard phase shifting Fizeau interferometer.  

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