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An optical fiber sensor for vibration monitoring in high power electric plants is presented. The sensor uses an elastic cantilever as transducer, the motion of which is detected by a fiber-based optical head. Vibration measurements up to 250 p.m of peak amplitude, at the 100 Hz fixed frequency are performed, with an accuracy of 0.1 pm and a linearity error within 3%.
M. Brenci
"Fiberoptic vibration sensor for high-power electric plants", Proc. SPIE 1230, International Conference on Optoelectronic Science and Engineering '90, 12304V (1 July 1990); https://doi.org/10.1117/12.2294812
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M. Brenci, "Fiberoptic vibration sensor for high-power electric plants," Proc. SPIE 1230, International Conference on Optoelectronic Science and Engineering '90, 12304V (1 July 1990); https://doi.org/10.1117/12.2294812