Laser interferometry is a technique used to measure distances and other physical properties with high precision. It is based on the interference of two or more laser beams, which are combined to form a single beam. The interference pattern created by the combined beams is then used to measure the distance between two points. Laser interferometry is used in a variety of applications, including metrology, manufacturing, and medical imaging. In metrology, laser interferometry is used to measure distances and angles with high accuracy. It is also used to measure the shape of objects, such as lenses and mirrors. In manufacturing, laser interferometry is used to measure the thickness of materials and to detect defects in components. In medical imaging, laser interferometry is used to measure the size and shape of organs and tissues. Some companies in the laser interferometry market include Coherent, Newport Corporation, Jenoptik, and Thorlabs. Show Less Read more
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