Laser gauge for the measurement of fiber diameters

A laser gauge for noncontacting, production on-line measurements of the diameter of filament, fiber, and wire samples made from transparent and opaque materials within ±3 m error limits in the range of diameters up to 2 mm is described briefly.Translated from Izmeritel'naya Tekhnika, No. 9, pp. 53–55, September, 1994.