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Fiber‐Optic Aqueous Dipping Sensor Based on Coaxial‐Michelson Modal Interferometers
Author(s) -
Paola Barrios,
D. SáezRodríguez,
Amparo Rodríguez,
J.L. Cruz,
A. Dı́ez,
Miguel V. Andrés
Publication year - 2009
Publication title -
journal of sensors
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.399
H-Index - 43
eISSN - 1687-7268
pISSN - 1687-725X
DOI - 10.1155/2009/815409
Subject(s) - coaxial , astronomical interferometer , optical fiber , modal , materials science , optics , fiber optic sensor , fabrication , fiber , optoelectronics , physics , telecommunications , interferometry , computer science , composite material , medicine , alternative medicine , pathology
Fiber-optic modal interferometers with a coaxial-Michelson configuration can be used to monitor aqueous solutions by simple dipping of few centimeters of a fiber tip. The fabrication of these sensors to work around 850 nm enables the use of compact, robust, and low-cost optical spectrum analyzers. The use of this type of portable sensor system to monitor sewage treatment plants is shown.

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