Laser interferometers are the de facto standard for measuring the surface shape and transmitted wavefront quality of small, large, and very large optics, as well as optical systems and optical-grade surfaces.
Laser interferometry is a primary technique for measuring the surface quality and transmitted wavefront error of precision optics. While Fizeau laser interferometers are the most widely used commercially, Twyman-Green interferometers have distinct advantages for a variety of applications. Download this article to learn about the two configurations and the applications served by each systems’ particular strengths.
PI manufactures a range of precision motion controllers and drivers for positioning systems, including stepper motors, brushless motors, and servo motors.
