telescope mirror / optics measurement

Twyman-Green Interferometer

The Twyman-Green interferometers from 4D Technology are high-precision optical measuring instruments that are used in a variety of ways in science and industry. They are specially designed for measuring wavefronts and analyzing optical components. With their ability to detect even the smallest deviations in the optics, these interferometers ensure outstanding quality and reliability in every application.

Here the use of a PhaseCam in the measurement of the James Webb Space Telescope (JWST) primary mirror.