Fortunately, the last decade has seen the commercialization of 4D Technology's robust dynamic interferometry (DI) systems. DI systems utilize alternative phase shifting techniques – polarization phase ...

4D Technology ... switchable dynamic acquisition, a full range of apertures from 100 mm to 600 mm in diameter, and a range of operating wavelengths from 532 nanometers to 1550 nanometers. The AccuFiz ...

4D Technology is the leading manufacturer of Dynamic Interferometry products, providing accurate measurement of optical grade surfaces, even in the presence of vibration and air turbulence. 4D ...

4D Technology was the first to develop Dynamic Interferometry ®. A micropolarizer sensor array in 4D dynamic Fizeau interferometers spatially encodes the captured picture with four phase shifts of 0°, ...

4D Technology’s Dynamic Interferometry ® solutions are used in a variety of industries to provide accurate shape and surface measurements. This measurement data provides feedback to customers ...

Aerospace and Astronomy: In the aerospace and astronomy industries, the Webb program gave 4D Technology its first commercial contract to develop the PhaseCam Interferometer system, which measures ...