Abstract
A displacement interferometer is described for measuring gauge blocks, in which a spatial filter is used to combine a laser beam with a white-light beam, and the length of the block is calculated from the phase differences of the laser signal corresponding to the centers of gravity of the achromatic fringes from the gauge and from the reference plate.
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Translated from Izmeritel’naya Tekhnika, No. 9, pp. 3–5, September, 2006.
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Bolonin, A.A., Bolonin, A.A. & Bolonina, G.A. An interferometer for use with gauge blocks up to 1000 mm with laser and white-light sources. Meas Tech 49, 845–849 (2006). https://doi.org/10.1007/s11018-006-0200-y
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DOI: https://doi.org/10.1007/s11018-006-0200-y