We introduce a fast and accurate method for the measurement of the geometrical shape of objects. The introduced method is a two-wavelength analogy to white-light interferometry. The goal is to avoid a serious disadvantage of white-light interferometry - the long measurement time.
We introduce a fast and accurate method for the measurement of the geometrical shape of objects. The introduced method is a two-wavelength analogy to white-light interferometry. The goal is to avoid a serious disadvantage of white-light interferometry - the long measurement time. (en)