Displacement Measuring Interferometry improves positioning accuracy. Zygo’s ZMI 2000 is the industry’s top performing Displacement Measuring Interferometer (DMI) System offering the highest resolution, the highest velocity, and lowest data age uncertainty for real time position control. Zygo, a world-class interfero metric metrology company, supports you at all levels of design, engineering and manufacturing. Zygo works as an extension of your research, engineering and manufacturing teams in providing metrology solutions.