TITLE

Optical Fiber Sensors Array to Identify Beverages by Their Odor

AUTHOR(S)
Elosua, C.; Bariain, C.; Luquin, A.; Laguna, M.
PUB. DATE
November 2012
SOURCE
Fiber Optic Sensors & Systems;Nov2012, Vol. 26 Issue 11, p12
SOURCE TYPE
Periodical
DOC. TYPE
Article
ABSTRACT
Four optical fiber sensors have been grouped in an array which is able to distinguish odors of different drinks. The sensing materials employed have been deposited onto optical fibers following the electrostatic self assembly method. The responses have been characterized in terms of reflected optical power; more specifically, the dynamic range and the recovery of each device have been used to discriminate between the samples. Data mining techniques based on the combination of principal component analysis and artificial neural networks are performed. The final system is trained to distinguish between grape juice, wine, and vinegar by using a set of one hundred samples of each one. Furthermore, the array can be located at up to 6 km away from the optical header, offering the possibility of in situ measurements.
ACCESSION #
89765235

 

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