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Proceedings Paper

New instrument for the measurement of diameter and form of cylinders
Author(s): John R. Miles
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Paper Abstract

A new instrument capable of measuring the diameter and form of cylinders up to 10 mm diameter with uncertainties at the +/- 10 nanometer level is being developed. The primary purpose of the instrument will be to characterize the geometry of pistons used in realizing high-pressure standards, but the instrument will have general applicability. The measurement of diameter is achieved by continuously and independently measuring the positions of two mutually opposed contact probes, using two sub-nanometric displacement measuring laser interferometers.

Paper Details

Date Published: 22 October 2001
PDF: 5 pages
Proc. SPIE 4401, Recent Developments in Traceable Dimensional Measurements, (22 October 2001); doi: 10.1117/12.445638
Show Author Affiliations
John R. Miles, CSIRO National Measurement Lab. (Australia)


Published in SPIE Proceedings Vol. 4401:
Recent Developments in Traceable Dimensional Measurements

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