Two questions asked in this paper were: is the measurement by 4D InSpec equivalent on the original surface in respect to a replica, that is, how similar are the results? And: under what circumstances ...

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 ...

Almost a century ago the concept of measuring surface roughness started as a way to stop disputes and uncertainty between buyers and manufacturers. Today, it is a common identifier that is utilized ...

The complexities of nanoscale surface measurement are anything but nano-sized. With the advancement of nanotechnology, nanoscale surface measurement is an integral part of the development of this ever ...