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QED Implements ASI Metrology System

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ROCHESTER, N.Y., March 4, 2010 – QED Technologies, a magnetorheological finishing (MRF) and subaperture stitching interferometry (SSI) instrumentation provider, announced that one of its new aspheric stitching interferometers (ASI) has been installed at the Leibniz Institute for Surface Modification (IOM) in Leipzig, Germany. The ASI is part of the company’s newest line of full aperture metrology systems. Capable of measuring steep aspheres with as much as 1000 waves of departure, it operates without the use of dedicated null lenses or computer-generated holograms. It significantly reduces the cost and lead time for...Read full article

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    Published: March 2010
    Glossary
    magnetorheological finishing
    Magnetorheological finishing (MRF) is a precision optics polishing technique used for shaping and finishing optical surfaces to achieve extremely high levels of smoothness and accuracy. It is commonly applied to lenses, mirrors, prisms, and other optical components in various industries, including astronomy, microscopy, and laser systems. The process involves using a magnetorheological fluid—a liquid containing ferrous (iron) particles—and a magnetic field to perform the...
    metrology
    Metrology is the science and practice of measurement. It encompasses the theoretical and practical aspects of measurement, including the development of measurement standards, techniques, and instruments, as well as the application of measurement principles in various fields. The primary objectives of metrology are to ensure accuracy, reliability, and consistency in measurements and to establish traceability to recognized standards. Metrology plays a crucial role in science, industry,...
    AmericasASIaspheresAspheric Stitching InterferometersBusinessEuropeFabricationsGermanyhologramsIOMLeibniz Institute for Surface ModificationlensesMagnetorheological FinishingmetrologyMRFnanometersnull lensesOpticsQED TechnologiesSSISubaperture Stitching InterferometrySurface FiguringSurface MachiningTest & Measurementthin films

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