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1 August 1991 Fiber-optic multiple-sensor for simultaneous measurements of temperature and vibrations
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Proceedings Volume 1572, International Conference on Optical Fibre Sensors in China OFS(C) '91; (1991) https://doi.org/10.1117/12.50019
Event: International Conference on Optical Fibre Sensors in China, 1991, Wuhan, China
Abstract
A fiber-optic multiple sensor is presented which is addressed for application in the wiring of high-power electric generators. The simultaneous and independent measurement of temperature and vibration amplitude at 100 Hz is obtained by means of a single sensor. The probe is based on a fiber-optic proximity sensor which detects the light intensity modulation induced by an elastic transducer. The nonlinear region of the optical-head response is exploited, together with appropriate signal processing, so as to obtain intrinsically down-lead insensitive sensor-output.
© (1991) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Massimo Brenci, Andrea A. Mencaglia, Anna Grazia Mignani, V. Barbero, P. L. Cimbrico, and P. Pessino "Fiber-optic multiple-sensor for simultaneous measurements of temperature and vibrations", Proc. SPIE 1572, International Conference on Optical Fibre Sensors in China OFS(C) '91, (1 August 1991); https://doi.org/10.1117/12.50019
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