14 February 2002 Large-scale sensing arrays based on fiber Bragg gratings
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Proceedings Volume 4578, Fiber Optic Sensor Technology and Applications 2001; (2002) https://doi.org/10.1117/12.456090
Event: Environmental and Industrial Sensing, 2001, Boston, MA, United States
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.
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Mikhail G. Shlyagin, Ileana Marquez Borbon, Vasilii V. Spirin, Rosa Lopez, Evgueni Anatolevich Kuzin, Manuel May Alarcon, "Large-scale sensing arrays based on fiber Bragg gratings", Proc. SPIE 4578, Fiber Optic Sensor Technology and Applications 2001, (14 February 2002); doi: 10.1117/12.456090; https://doi.org/10.1117/12.456090
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