How does it work?
Understanding the technology allows you to make the most of your systems.
Laser interferometry is a well established method for measuring distances with great accuracy. Understand the history and basics of interferometry.Interferometry explained
The popularity of ballbar testing has been built on the basic simplicity of the test, quickness of use and the large amount of quantative information generated. Ballbar test set-up, data capture and analysis .Ballbar testing explained