As high-precision measuring instruments have developed, interferometers have been widely
applied in the measurement of lengths and of the shape of surfaces, with nanometer …

The high-level dissemination of the SI unit of length, the metre, relies on primary level 1D
length measurement instruments to calibrate transfer standards for measurement users. The …

Vibration measurements of tools are significant for machine modelling, error prone state
identification and machine operation optimization. In the milling process, forced vibrations …

Temperature drifts, tool deterioration, unknown vibrations, as well as spindle play are major
effects which decrease the achievable precision of CNC lathes and lead to shape deviations …

We report three-dimensional surface profilometry with extended range of height
measurements using synthetic wavelength scanning interferometry without tunable filters …

The basic metrological task in speckle photography is to quantify displacements of speckle
patterns, allowing for instance the investigation of the mechanical load and modification of …

Mach-Zehnder interferometer based sensors for simultaneous distance and velocity
measurement allow for absolute 3-D shape measurements of rotating workpieces for …

Optical interferometry has emerged as a cornerstone technology for high-precision length
measurement, offering unparalleled accuracy in various scientific and industrial …

Error separation (ES) techniques can eliminate the systematic error caused by the rotary
table, and thus, overcome the accuracy limit of state-of-the-art roundness instruments …

Zusammenfassung Zur In-Situ-Formvermessung schnell rotierender Werkstücke, wie sie
beispielsweise bei einem Drehprozess in Werkzeugmaschinen vorliegen, sind …