Fast and accurate digitization of surfaces by optical means is a hard problem. There are several issues in both the optical arrangement and the data processing algorithms. Read more

Optical metrology by phase-based methods reaches high accuracy and robustness. However, in some applications, the well-established algorithms fail or are not applicable. Read more

Ronchi test is a simple and powerful method for optical system evaluation. However, the required mathematical models and data processing algorithms are still in development. Read more

Despite the great development of optical interferometry, many issues are currently in research. In our research group, we have proposed an alternative method... Read more