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1 Opto-Electronics Review

1 1999

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Automatic fibre-optic sensor for oil detection

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Borecki M. , Kruszewski J. , Bebłowska M.

1999

tom Vol. 7, No. 3

203-208

The paper presents construction and working principles of automatic fibre-optic sensor used for distinguishing water from oil. Such a sensor can detect oil layer on water surface. The sensor consists of intensity fibre head, lift and computer measurement device with a detection block. The detection block has an implemented neural network able to distinguish a detected medium. The detections is based on the data processed from a measurement cycle. One cycle includes haed submerging, submersion, emerging and emergence in the detected medium. In this way various physical phenomena are in a measured signal. The detector head is the ending of the large core polymer optical fibre. The head works on the basis of Fresnel reflection intensity.