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The LI10 Fizeau Interferometer is ideally suited to a wide range of flatness measurement operations on polished specimens up to 102mm (4")Ø.This unit is appropriate for use in both optical component..
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This interferometer, offers a rapid and accurate method for the optical measurement of polished surface flatness. Its reference flat, has a flatness of lambda/10 and does not come into contact with the surface under test. This allows a contour map, or interferogram, to be produced by the display of reflections between these two surfaces.