The Lumenarium: The official blog of Lumetrics, Inc.

Accurate Bow Measurements in Glass Capillary Tube

Posted August 03, 2017 by Kristin

Abstract — High quality glass tubing production relies on tightly controlled manufacturing processes. With the addition of a Reference Signal Generator (RSG), the OptiGauge II can aid the control of the straightness of the tube by measuring its bow.

Lumetrics’ low coherence interferometer, commercially marketed as the OptiGauge® II, is a device capable of measuring tubing wall thickness, inner diameter, outer diameter, and bow with sub-micron precision. Combined with custom software and a precision rotation adjustment stage, a tube can be characterized in terms of wall thickness, ID, OD, bow, concentricity, and ovality during both the incoming material inspection and outgoing product quality control.


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Tags: Non contact thickness measurement, tubing measurement