4D Technology offers advanced interferometers and laser measurement systems for precision metrology applications. Our interferometers deliver exceptional accuracy for surface flatness, form, and roughness measurement. Laser measurement systems provide non-contact, high-speed measurement for production environments. Features include patented dynamic interferometry technology, vibration immunity, and high-resolution measurement. 4D interferometers and laser measurement systems are ideal for semiconductor, optics, aerospace, and precision manufacturing applications requiring sub-nanometer measurement accuracy.