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Proceedings Paper

Optical fiber densimeter for water in oil
Author(s): Rui-Fu Liu; Xiao-chun Xi; Chen Liang
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Paper Abstract

A simple optical fiber sensor devoted to measurement in situ of the density of water in oil is described. It is composed of two bundles of fibers. One bundle of fibers transmits light to the droplets of water spread in oil while the other acts at the same time to collect a part of the back-scattered light and to carry it back to a photodetector. The probe configuration is of line- by-line arrangement. With such a device, for the oil containing a very high density of water, the response is an increasing function of the density. The sensor can measure the density of water in oil in the range from 0 to 20%.

Paper Details

Date Published: 1 August 1991
PDF: 4 pages
Proc. SPIE 1572, International Conference on Optical Fibre Sensors in China OFS(C) '91, (1 August 1991); doi: 10.1117/12.50072
Show Author Affiliations
Rui-Fu Liu, Institute of Beijing Automatic Test Technology (China)
Xiao-chun Xi, Institute of Beijing Automatic Test Technology (China)
Chen Liang, Institute of Beijing Automatic Test Technology (China)


Published in SPIE Proceedings Vol. 1572:
International Conference on Optical Fibre Sensors in China OFS(C) '91

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