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Proceedings Paper

In situ refraction index of liquid measurement using polymer optical fibers
Author(s): Mauro Lomer; Joseba Zubia; Olga Maria Conde; Jesus M. Mirapeix; A. M. Cubillas; Jose Miguel Lopez-Higuera
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Paper Abstract

A device for the measure of index of refraction of liquids in situ based on polymer optical fibers (POFs) was demonstrated. It consists in a sensor head of three passive POFs where two are coupled to two detectors and an electronic unit for the differential measure of signals. A differential operating principle is utilized to reduce noise such as light intensity fluctuation. The device was successfully checked measuring refraction index changes of the water with different concentrations of sugar, salt and alcohol.

Paper Details

Date Published: 9 June 2004
PDF: 4 pages
Proc. SPIE 5502, Second European Workshop on Optical Fibre Sensors, (9 June 2004); doi: 10.1117/12.566697
Show Author Affiliations
Mauro Lomer, Univ. de Cantabria (Spain)
Joseba Zubia, Univ. of the Basque Country (Spain)
Olga Maria Conde, Univ. de Cantabria (Spain)
Jesus M. Mirapeix, Univ. de Cantabria (Spain)
A. M. Cubillas, Univ. de Cantabria (Spain)
Jose Miguel Lopez-Higuera, Univ. de Cantabria (Spain)


Published in SPIE Proceedings Vol. 5502:
Second European Workshop on Optical Fibre Sensors
Jose Miguel Lopez-Higuera; Brian Culshaw, Editor(s)

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