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Proceedings Paper

Three-dimensional fibre-optic position sensor
Author(s): Qingping Yang; Clive Butler
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Paper Abstract

An integrated approach to precision 3-D position measurement using an array of optical fibers is described. The mathematical model based on the calculation of 3-D light intensity distribution has been developed to analyze the performance of the sensor. The theoretical analyses have shown the existence of a unique solution in the presence of a certain defined noise level. The experimental results have confirmed the theoretical analysis and have indicated that a lateral resolution of 0.1 micrometers and a depth resolution of 1 micrometers is achievable. The sensor will find applications in 3-D position sensing on coordinate measuring machines, machine tools, robots, and other related areas.

Paper Details

Date Published: 1 August 1991
PDF: 6 pages
Proc. SPIE 1572, International Conference on Optical Fibre Sensors in China OFS(C) '91, (1 August 1991); doi: 10.1117/12.50027
Show Author Affiliations
Qingping Yang, Brunel Univ. (United Kingdom)
Clive Butler, Brunel Univ. (United Kingdom)

Published in SPIE Proceedings Vol. 1572:
International Conference on Optical Fibre Sensors in China OFS(C) '91
Brian Culshaw; Yanbiao Liao, Editor(s)

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