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Proceedings Paper

Large-scale sensing arrays based on fiber Bragg gratings
Author(s): Mikhail G. Shlyagin; Ileana Marquez Borbon; Vasilii V. Spirin; Rosa Lopez; Evgueni Anatolevich Kuzin; Manuel May Alarcon
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Paper Abstract

In this paper a new quasi-distributed sensor suitable for multi-point detection and localizing of alarm conditions along large structures is presented. The sensor is based on a serial array of equal low-reflective fiber Bragg gratings. The sensor interrogation employs measurement of light intensity at a fixed reference wavelength. Difference between the reference wavelength and the Bragg wavelength in normal conditions set a threshold level for detection. Method was tested experimentally in two different configurations. A simple design of the sensor in combination with the economical interrogation technique makes this sensor interesting for real applications.

Paper Details

Date Published: 14 February 2002
PDF: 8 pages
Proc. SPIE 4578, Fiber Optic Sensor Technology and Applications 2001, (14 February 2002); doi: 10.1117/12.456090
Show Author Affiliations
Mikhail G. Shlyagin, CICESE (United States)
Ileana Marquez Borbon, CICESE (United States)
Vasilii V. Spirin, CICESE (United States)
Rosa Lopez, CICESE (Mexico)
Evgueni Anatolevich Kuzin, Instituto Nacional de Astrofisica Optica y Electronica (Mexico)
Manuel May Alarcon, Instituto Nacional de Astrofisica Optica y Electronica (Mexico)

Published in SPIE Proceedings Vol. 4578:
Fiber Optic Sensor Technology and Applications 2001
Michael A. Marcus; Brian Culshaw, Editor(s)

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