Topography becomes more important in quality assurance for manufacturing. This regards the characterization of macro-sized to medium optics and the optimization of a manufacturing process using a ...

MÖLLER-WEDEL OPTICAL GmbH has developed a simple-to-use workshop interferometer for testing flat objects. The new Fizeau-type INTERFEROMETER VI direct 50 PUL is able to measure the surface flatness of ...

Manufacturing a precision surface requires a balance between satisfying the optimum quality requirements at the minimum cost. Steve Martinek summarizes the challenges of increasing the precision ...

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IT is sometimes required in engineering practice to measure the flatness of a surface, such as that of a surface plate, with considerable accuracy. A similar problem arises in checking the ...