1 May 1992 Optical-fiber sensor-network for temperature and proximity control
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A multimode optical-fiber sensor-network for the simultaneous monitoring of heat andproximity is presented. The interrogation and processing system makes use of the short- wavelengths OTDR technique. The network topology is a hybrid configuration of reflective- tree and transmissive-ladder architectures, which are operative for temperature and proximitysensors, respectively.Temperature sensors are operative in the 20-80°C range with a best resolution of atleast 0.3°C. Proximity sensors can operate either as on/off devices or as analog sensors. Theranges of operation and resolutions can be varied according to the geometrical arrangementof the probes.
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A. Mencaglia, A. Mencaglia, "Optical-fiber sensor-network for temperature and proximity control", Proc. SPIE 1777, First European Conference on Smart Structures and Materials, 17770A (1 May 1992); doi: 10.1117/12.2298033; https://doi.org/10.1117/12.2298033

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