Making a truly flat surface is a modern engineering feat, and not a small one. Even making something straight without ...

Coherence Scanning interferometers are ideal for measuring the surface topography of fine structures. These versatile instruments are suitable for use in production and development environments, as ...

MÖLLER-WEDEL OPTICAL GmbH has developed a simple-to-use workshop interferometer for testing flat objects. The new Fizeau-type INTERFEROMETER VI direct 50 PUL is able to measure the surface flatness of ...

A research team led by Professor WANG Jian, the deputy chief designer of the Wide Field Survey Telescope（WFST）and a faculty member of the State Key Laboratory of Nuclear Detection and Nuclear ...

The measurement technique of the aspheric surface is mainly for the surface form and parameters. The surface form is the three-dimensional distribution of the surface in the spatial domain. The ...