A low-cost high-frequency plastic optical fiber vibrometer

Massimo Olivero; Guido Perrone; Alberto Vallan

doi:10.1117/12.803164

17 June 2008 A low-cost high-frequency plastic optical fiber vibrometer

Massimo Olivero, Guido Perrone, Alberto Vallan

Proceedings Volume 7098, Eighth International Conference on Vibration Measurements by Laser Techniques: Advances and Applications; 709816 (2008) https://doi.org/10.1117/12.803164
Event: Eighth International Conference on Vibration Measurements by Laser Techniques: Advances and Applications, 2008, Ancona, Italy

Abstract

A low-cost optical sensing system to measure vibrations up to high frequencies (40 kHz) is presented and validated with experiments. The developed system uses a sensing head made with plastic optical fibers to illuminate the vibrating surface and collect the reflected light; a non-demanding data processing is used to measure the amplitude and frequency of the vibration and to compensate the reflectivity of the vibrating surface. Preliminary measurements, performed on vibrating targets with different surface reflectivity have been performed to assess the performance of the system.

Citation Download Citation

Massimo Olivero, Guido Perrone, and Alberto Vallan "A low-cost high-frequency plastic optical fiber vibrometer", Proc. SPIE 7098, Eighth International Conference on Vibration Measurements by Laser Techniques: Advances and Applications, 709816 (17 June 2008); https://doi.org/10.1117/12.803164

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